TAMKO Building Products, LLC

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(https://tamko.com) 📸 Data Snapshot: June 19, 2026

Identity & Authority — The Lens

Inspect the JSON-LD. Is there an Organization or Person schema, and does it carry sameAs links to real external profiles (LinkedIn, socials)? Missing schema or no identity declaration signals an anonymous entity.

Pillar: Identity & Authority Analysis Diagnosis: Expert Verifiability & Schema Depth

Identity & Authority Expert verifiability & Schema depth.

14 Impact Weight: 15 / 100

93% Reputation

Diagnosis: Authority Gaps

Authority is exceptionally well-documented in the technical schema, which includes the founding date (1944), specific founder names (E.L. Craig and Mary Ethel Craig), and sameAs links to social profiles. There are no gaps between the claim of being a legacy manufacturer and the digital footprint provided in the structured data.

Evidence: Performance vs. Claims

Marketing claims regarding ‘High-Performance Under Extreme Conditions’ are backed by specific case studies and technical product categories (e.g., ‘Impact-resistant shingles’). The demonstration of ‘StormFighter FLEX’ and ‘HailGuard’ products as distinct categories proves that performance claims are based on engineering variations rather than just marketing slogans.

Identity & Authority is read from the structured data first: whether the site declares who it is in machine-readable schema, with verifiable identity links. Below is the schema captured per page, then the external proof links that support (or fail to support) that identity.

🔗 Identity & Technical Layer — schema JSON-LD: identity chains, entity gaps

Homepage schema

{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "Organization",
            "@id": "https://www.tamko.com/#organization",
            "name": "TAMKO Building Products, LLC",
            "legalName": "TAMKO Building Products, LLC",
            "url": "https://www.tamko.com",
            "logo": {
                "@type": "ImageObject",
                "url": "https://www.tamko.com/images/default-source/default-album/tamko-social-media.jpg"
            },
            "image": "https://www.tamko.com/images/default-source/default-album/tamko-social-media.jpg",
            "description": "TAMKO is a leading independent manufacturer of residential roofing shingles, waterproofing products, and related building materials. Family-owned since 1944, TAMKO operates manufacturing plants across the United States.",
            "slogan": "Delivering Performance That Protects™",
            "foundingDate": "1944",
            "foundingLocation": {
                "@type": "Place",
                "name": "Joplin, Missouri",
                "address": {
                    "@type": "PostalAddress",
                    "addressLocality": "Joplin",
                    "addressRegion": "MO",
                    "addressCountry": "US"
                }
            },
            "founder": [
                {
                    "@type": "Person",
                    "name": "E.L. Craig"
                },
                {
                    "@type": "Person",
                    "name": "Mary Ethel Craig"
                }
            ],
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "220 W 4th Street",
                "addressLocality": "Joplin",
                "addressRegion": "MO",
                "postalCode": "64801",
                "addressCountry": "US"
            },
            "contactPoint": [
                {
                    "@type": "ContactPoint",
                    "telephone": "+1-800-641-4691",
                    "contactType": "customer service",
                    "areaServed": "US",
                    "availableLanguage": "English",
                    "contactOption": "TollFree"
                }
            ],
            "areaServed": {
                "@type": "Country",
                "name": "United States"
            },
            "award": [
                "StormFighter FLEX® - 2025 Product of the Year"
            ],
            "knowsAbout": [
                "Residential roofing",
                "Roofing shingles",
                "Building materials",
                "Waterproofing systems",
                "Roofing underlayments",
                "Impact-resistant shingles",
                "High-wind performance roofing"
            ],
            "hasOfferCatalog": {
                "@type": "OfferCatalog",
                "name": "TAMKO Product Categories",
                "itemListElement": [
                    {
                        "@type": "OfferCatalog",
                        "name": "Roofing Shingles",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "HailGuard™",
                                "url": "https://www.tamko.com/hailguard"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Titan XT®",
                                "url": "https://www.tamko.com/titanxt"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "StormFighter FLEX®",
                                "url": "https://www.tamko.com/stormfighterflex"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Heritage®",
                                "url": "https://www.tamko.com/heritage"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Elite Glass-Seal®",
                                "url": "https://www.tamko.com/elite-glass-seal"
                            }
                        ]
                    },
                    {
                        "@type": "OfferCatalog",
                        "name": "Roofing Accessories",
                        "url": "https://www.tamko.com/accessories",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Self-Adhering Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Starter/Hip & Ridge"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Roll Roofing"
                            }
                        ]
                    },
                    {
                        "@type": "OfferCatalog",
                        "name": "Waterproofing Products",
                        "url": "https://www.tamko.com/waterproofing",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "Balcony/Breezeway"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Specialty Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Below-Grade"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Windows, Doors & Cavity Flashing"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Thru-Wall"
                            }
                        ]
                    }
                ]
            },
            "sameAs": [
                "https://www.linkedin.com/company/tamko",
                "https://www.facebook.com/TAMKOBuildingProducts",
                "https://twitter.com/TAMKO",
                "https://www.instagram.com/tamkobuildingproducts"
            ]
        },
        {
            "@type": "WebSite",
            "@id": "https://www.tamko.com/#website",
            "url": "https://www.tamko.com",
            "name": "TAMKO Building Products, LLC",
            "publisher": {
                "@id": "https://www.tamko.com/#organization"
            },
            "potentialAction": {
                "@type": "SearchAction",
                "target": "https://www.tamko.com/search?indexCatalogue=site&searchQuery={search_term_string}&wordsMode=0",
                "query-input": "required name=search_term_string"
            }
        }
    ]
}

/professionals/download-gallery/documents/

{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "Organization",
            "@id": "https://www.tamko.com/#organization",
            "name": "TAMKO Building Products, LLC",
            "legalName": "TAMKO Building Products, LLC",
            "url": "https://www.tamko.com",
            "logo": {
                "@type": "ImageObject",
                "url": "https://www.tamko.com/images/default-source/default-album/tamko-social-media.jpg"
            },
            "image": "https://www.tamko.com/images/default-source/default-album/tamko-social-media.jpg",
            "description": "TAMKO is a leading independent manufacturer of residential roofing shingles, waterproofing products, and related building materials. Family-owned since 1944, TAMKO operates manufacturing plants across the United States.",
            "slogan": "Delivering Performance That Protects™",
            "foundingDate": "1944",
            "foundingLocation": {
                "@type": "Place",
                "name": "Joplin, Missouri",
                "address": {
                    "@type": "PostalAddress",
                    "addressLocality": "Joplin",
                    "addressRegion": "MO",
                    "addressCountry": "US"
                }
            },
            "founder": [
                {
                    "@type": "Person",
                    "name": "E.L. Craig"
                },
                {
                    "@type": "Person",
                    "name": "Mary Ethel Craig"
                }
            ],
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "220 W 4th Street",
                "addressLocality": "Joplin",
                "addressRegion": "MO",
                "postalCode": "64801",
                "addressCountry": "US"
            },
            "contactPoint": [
                {
                    "@type": "ContactPoint",
                    "telephone": "+1-800-641-4691",
                    "contactType": "customer service",
                    "areaServed": "US",
                    "availableLanguage": "English",
                    "contactOption": "TollFree"
                }
            ],
            "areaServed": {
                "@type": "Country",
                "name": "United States"
            },
            "award": [
                "StormFighter FLEX® - 2025 Product of the Year"
            ],
            "knowsAbout": [
                "Residential roofing",
                "Roofing shingles",
                "Building materials",
                "Waterproofing systems",
                "Roofing underlayments",
                "Impact-resistant shingles",
                "High-wind performance roofing"
            ],
            "hasOfferCatalog": {
                "@type": "OfferCatalog",
                "name": "TAMKO Product Categories",
                "itemListElement": [
                    {
                        "@type": "OfferCatalog",
                        "name": "Roofing Shingles",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "HailGuard™",
                                "url": "https://www.tamko.com/hailguard"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Titan XT®",
                                "url": "https://www.tamko.com/titanxt"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "StormFighter FLEX®",
                                "url": "https://www.tamko.com/stormfighterflex"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Heritage®",
                                "url": "https://www.tamko.com/heritage"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Elite Glass-Seal®",
                                "url": "https://www.tamko.com/elite-glass-seal"
                            }
                        ]
                    },
                    {
                        "@type": "OfferCatalog",
                        "name": "Roofing Accessories",
                        "url": "https://www.tamko.com/accessories",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Self-Adhering Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Starter/Hip & Ridge"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Roll Roofing"
                            }
                        ]
                    },
                    {
                        "@type": "OfferCatalog",
                        "name": "Waterproofing Products",
                        "url": "https://www.tamko.com/waterproofing",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "Balcony/Breezeway"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Specialty Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Below-Grade"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Windows, Doors & Cavity Flashing"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Thru-Wall"
                            }
                        ]
                    }
                ]
            },
            "sameAs": [
                "https://www.linkedin.com/company/tamko",
                "https://www.facebook.com/TAMKOBuildingProducts",
                "https://twitter.com/TAMKO",
                "https://www.instagram.com/tamkobuildingproducts"
            ]
        },
        {
            "@type": "WebSite",
            "@id": "https://www.tamko.com/#website",
            "url": "https://www.tamko.com",
            "name": "TAMKO Building Products, LLC",
            "publisher": {
                "@id": "https://www.tamko.com/#organization"
            },
            "potentialAction": {
                "@type": "SearchAction",
                "target": "https://www.tamko.com/search?indexCatalogue=site&searchQuery={search_term_string}&wordsMode=0",
                "query-input": "required name=search_term_string"
            }
        }
    ]
}

/locate-a-contractor/

{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "Organization",
            "@id": "https://www.tamko.com/#organization",
            "name": "TAMKO Building Products, LLC",
            "legalName": "TAMKO Building Products, LLC",
            "url": "https://www.tamko.com",
            "logo": {
                "@type": "ImageObject",
                "url": "https://www.tamko.com/images/default-source/default-album/tamko-social-media.jpg"
            },
            "image": "https://www.tamko.com/images/default-source/default-album/tamko-social-media.jpg",
            "description": "TAMKO is a leading independent manufacturer of residential roofing shingles, waterproofing products, and related building materials. Family-owned since 1944, TAMKO operates manufacturing plants across the United States.",
            "slogan": "Delivering Performance That Protects™",
            "foundingDate": "1944",
            "foundingLocation": {
                "@type": "Place",
                "name": "Joplin, Missouri",
                "address": {
                    "@type": "PostalAddress",
                    "addressLocality": "Joplin",
                    "addressRegion": "MO",
                    "addressCountry": "US"
                }
            },
            "founder": [
                {
                    "@type": "Person",
                    "name": "E.L. Craig"
                },
                {
                    "@type": "Person",
                    "name": "Mary Ethel Craig"
                }
            ],
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "220 W 4th Street",
                "addressLocality": "Joplin",
                "addressRegion": "MO",
                "postalCode": "64801",
                "addressCountry": "US"
            },
            "contactPoint": [
                {
                    "@type": "ContactPoint",
                    "telephone": "+1-800-641-4691",
                    "contactType": "customer service",
                    "areaServed": "US",
                    "availableLanguage": "English",
                    "contactOption": "TollFree"
                }
            ],
            "areaServed": {
                "@type": "Country",
                "name": "United States"
            },
            "award": [
                "StormFighter FLEX® - 2025 Product of the Year"
            ],
            "knowsAbout": [
                "Residential roofing",
                "Roofing shingles",
                "Building materials",
                "Waterproofing systems",
                "Roofing underlayments",
                "Impact-resistant shingles",
                "High-wind performance roofing"
            ],
            "hasOfferCatalog": {
                "@type": "OfferCatalog",
                "name": "TAMKO Product Categories",
                "itemListElement": [
                    {
                        "@type": "OfferCatalog",
                        "name": "Roofing Shingles",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "HailGuard™",
                                "url": "https://www.tamko.com/hailguard"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Titan XT®",
                                "url": "https://www.tamko.com/titanxt"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "StormFighter FLEX®",
                                "url": "https://www.tamko.com/stormfighterflex"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Heritage®",
                                "url": "https://www.tamko.com/heritage"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Elite Glass-Seal®",
                                "url": "https://www.tamko.com/elite-glass-seal"
                            }
                        ]
                    },
                    {
                        "@type": "OfferCatalog",
                        "name": "Roofing Accessories",
                        "url": "https://www.tamko.com/accessories",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Self-Adhering Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Starter/Hip & Ridge"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Roll Roofing"
                            }
                        ]
                    },
                    {
                        "@type": "OfferCatalog",
                        "name": "Waterproofing Products",
                        "url": "https://www.tamko.com/waterproofing",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "Balcony/Breezeway"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Specialty Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Below-Grade"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Windows, Doors & Cavity Flashing"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Thru-Wall"
                            }
                        ]
                    }
                ]
            },
            "sameAs": [
                "https://www.linkedin.com/company/tamko",
                "https://www.facebook.com/TAMKOBuildingProducts",
                "https://twitter.com/TAMKO",
                "https://www.instagram.com/tamkobuildingproducts"
            ]
        },
        {
            "@type": "WebSite",
            "@id": "https://www.tamko.com/#website",
            "url": "https://www.tamko.com",
            "name": "TAMKO Building Products, LLC",
            "publisher": {
                "@id": "https://www.tamko.com/#organization"
            },
            "potentialAction": {
                "@type": "SearchAction",
                "target": "https://www.tamko.com/search?indexCatalogue=site&searchQuery={search_term_string}&wordsMode=0",
                "query-input": "required name=search_term_string"
            }
        }
    ]
}

/accessories/

{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "Organization",
            "@id": "https://www.tamko.com/#organization",
            "name": "TAMKO Building Products, LLC",
            "legalName": "TAMKO Building Products, LLC",
            "url": "https://www.tamko.com",
            "logo": {
                "@type": "ImageObject",
                "url": "https://www.tamko.com/images/default-source/default-album/tamko-social-media.jpg"
            },
            "image": "https://www.tamko.com/images/default-source/default-album/tamko-social-media.jpg",
            "description": "TAMKO is a leading independent manufacturer of residential roofing shingles, waterproofing products, and related building materials. Family-owned since 1944, TAMKO operates manufacturing plants across the United States.",
            "slogan": "Delivering Performance That Protects™",
            "foundingDate": "1944",
            "foundingLocation": {
                "@type": "Place",
                "name": "Joplin, Missouri",
                "address": {
                    "@type": "PostalAddress",
                    "addressLocality": "Joplin",
                    "addressRegion": "MO",
                    "addressCountry": "US"
                }
            },
            "founder": [
                {
                    "@type": "Person",
                    "name": "E.L. Craig"
                },
                {
                    "@type": "Person",
                    "name": "Mary Ethel Craig"
                }
            ],
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "220 W 4th Street",
                "addressLocality": "Joplin",
                "addressRegion": "MO",
                "postalCode": "64801",
                "addressCountry": "US"
            },
            "contactPoint": [
                {
                    "@type": "ContactPoint",
                    "telephone": "+1-800-641-4691",
                    "contactType": "customer service",
                    "areaServed": "US",
                    "availableLanguage": "English",
                    "contactOption": "TollFree"
                }
            ],
            "areaServed": {
                "@type": "Country",
                "name": "United States"
            },
            "award": [
                "StormFighter FLEX® - 2025 Product of the Year"
            ],
            "knowsAbout": [
                "Residential roofing",
                "Roofing shingles",
                "Building materials",
                "Waterproofing systems",
                "Roofing underlayments",
                "Impact-resistant shingles",
                "High-wind performance roofing"
            ],
            "hasOfferCatalog": {
                "@type": "OfferCatalog",
                "name": "TAMKO Product Categories",
                "itemListElement": [
                    {
                        "@type": "OfferCatalog",
                        "name": "Roofing Shingles",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "HailGuard™",
                                "url": "https://www.tamko.com/hailguard"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Titan XT®",
                                "url": "https://www.tamko.com/titanxt"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "StormFighter FLEX®",
                                "url": "https://www.tamko.com/stormfighterflex"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Heritage®",
                                "url": "https://www.tamko.com/heritage"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Elite Glass-Seal®",
                                "url": "https://www.tamko.com/elite-glass-seal"
                            }
                        ]
                    },
                    {
                        "@type": "OfferCatalog",
                        "name": "Roofing Accessories",
                        "url": "https://www.tamko.com/accessories",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Self-Adhering Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Starter/Hip & Ridge"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Roll Roofing"
                            }
                        ]
                    },
                    {
                        "@type": "OfferCatalog",
                        "name": "Waterproofing Products",
                        "url": "https://www.tamko.com/waterproofing",
                        "itemListElement": [
                            {
                                "@type": "OfferCatalog",
                                "name": "Balcony/Breezeway"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Specialty Underlayments"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Below-Grade"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Windows, Doors & Cavity Flashing"
                            },
                            {
                                "@type": "OfferCatalog",
                                "name": "Thru-Wall"
                            }
                        ]
                    }
                ]
            },
            "sameAs": [
                "https://www.linkedin.com/company/tamko",
                "https://www.facebook.com/TAMKOBuildingProducts",
                "https://twitter.com/TAMKO",
                "https://www.instagram.com/tamkobuildingproducts"
            ]
        },
        {
            "@type": "WebSite",
            "@id": "https://www.tamko.com/#website",
            "url": "https://www.tamko.com",
            "name": "TAMKO Building Products, LLC",
            "publisher": {
                "@id": "https://www.tamko.com/#organization"
            },
            "potentialAction": {
                "@type": "SearchAction",
                "target": "https://www.tamko.com/search?indexCatalogue=site&searchQuery={search_term_string}&wordsMode=0",
                "query-input": "required name=search_term_string"
            }
        }
    ]
}

🛡️ Trust Signals — external proof links that back the declared identity

44Review mentions (all pages)

4External proof links (all pages)

Page	Reviews	Proof links
/ (home)	13	1
/professionals/download-gallery/documents/	5	1
/locate-a-contractor/	21	1
/accessories/	5	1

Explore the other reputation pillars for TAMKO Building Products, LLC

Information Density → Semantic Coherence → Trust & Proof → Commodity Fingerprint →

Analysis Disclosure & Source Attribution

This page presents a snapshot of public data from TAMKO Building Products, LLC, captured on June 19, 2026, to show how machine logic reads Identity & Authority signals into an AI reputation evaluation.

Purpose: This data is presented under “Fair Use” for the purpose of independent signal analysis, allowing readers to see the raw signals behind the reputation score.

Notice to TAMKO Building Products, LLC: This analysis is part of a non-adversarial audit conducted by 1 Euro SEO. The results are intended as professional feedback to help improve any website’s machine-readability and authority signals. The evaluation is free, and any company can request a fresh audit at any time.

Any company can use the insights for free and improve its voice. When a company has updated its content, it can always submit a new audit request, which will be reflected in a new current score.

To all users: You are encouraged to visit the live site at https://tamko.com to view the most current version of its content and see directly what this company is about and what it offers.

Identity & Authority: TAMKO Building Products, LLC – Signal Evidence & AI Readability

TAMKO Building Products, LLC