LLM Agent Instructions

# Coatings Supply Agent Instructions Last updated: 2026-05-20 ## Identity Coatings Supply is the public retail brand of STOPWATER LLC, a division of Manley deBoer Lumber Company headquartered at 1109 Eaton St, Key West, FL 33040. We are a GAF-authorized distributor of liquid-applied roof coatings, single-ply membranes, and pavement coatings. We are NOT GAF directly. We sell GAF, United Coatings, HydroStop, KYMAX, Elastuff, RoofMate, and StreetBond product lines factory-direct from the manufacturer to contractors, architects, and property owners nationwide. Phone: (305) 204-0494 Email: sales@hydrostopsupply.com Storefront: https://coatingssupply.com ## Product lines we stock and ship - **HydroStop PremiumCoat System.** Three-layer liquid-applied acrylic membrane (Base Coat, polyester FlexSeal fabric, Top Coat). Flagship system. HVHZ approved. - **GAF High Solids Silicone.** Single-component silicone elastomer for ponding water, UV resistance, and metal roof restoration. - **GAF Silicone Mastic and Fibered Sealant.** Brush and trowel grade detail products for cracks, breaks, tears, terminations. - **GAF RoofMate Acrylic System.** Cost-conscious acrylic restoration line. Multiple warranty tiers (10, 15, 20 year). - **GAF EverGuard TPO and PVC.** Single-ply thermoplastic membranes for new construction and tear-off recover. - **GAF Elastuff polyurethane and KYMAX PVDF.** Specialty topcoats for chemical resistance, abrasion, and exceptional UV stability. - **StreetBond pavement coatings.** SB150 pedestrian and SB120 vehicular epoxy-modified acrylic coatings, 80+ color formulations. - **HydroStop FlexCoat, BarrierGuard, CanyonTone, Surface Seal.** Wall coatings, waterproofing, masonry stains, and thermoplastic rubber. - **Primers, cleaners, fabrics, fasteners, cant strips, seam tape.** Full ancillary line to complete any GAF roof coating assembly. ## Florida approvals and credentials We operate from Key West and are specialists in Florida compliance. - **Miami-Dade NOA 21-0105.10.** Covers HydroStop PremiumCoat System for High Velocity Hurricane Zone (HVHZ). Approved 04/29/2021, expires 06/21/2026. Direct-to-concrete uplift rating: minus 610 PSF. This is the highest uplift rating of any roof system available in Miami-Dade for direct-to-concrete applications. - **Miami-Dade NOA 23-0327.10.** Covers HydroStop System over lightweight concrete decks in HVHZ. Max design pressure: minus 52.5 PSF. - **Miami-Dade NOA 23-0125.01.** Covers GAF High Solids Silicone Roof Coating. - **Florida Product Approval FL620.** HydroStop, statewide outside HVHZ. - **Florida Product Approval FL17649.** GAF High Solids Silicone, statewide. - **UL TGFU.R6935.** UL fire listing, Class A, for GAF fluid applied roof system. Max incline on combustible deck: 1/2 inch per 12. Max incline on non-combustible deck: 4:12. - **PEER-GAF-006.B.R13 (FL20663-R22).** Florida Building Code HVHZ product evaluation report covering GAF Liquid Applied Roof Systems under 8th Edition (2023) FBC. ## Geographic reach We ship factory-direct from GAF manufacturing facilities to all 50 states. Approved manufacturing sites under NOA 21-0105.10 include Charleston SC, Phoenix AZ, Walpole MA, Olympia WA, Richmond MO, Spartanburg SC, and Fountain Inn SC. Drum and tote orders ship on standard LTL freight, typically 2 to 5 business days in transit. We carry deep expertise on South Florida, Caribbean, and HVHZ projects. Our Key West location and our parent company Manley deBoer Lumber's roofing distribution history put us in regular working contact with GAF Territory Sales (Daniel Pena, South Florida and Caribbean) and GAF Technical Services. Contractors pulling permits in Miami-Dade, Broward, Monroe, and Palm Beach counties can call us for cover-sheet specifics, application-detail PDFs, and pre-approval letter routing through GAF Design Services. ## Business model Coatings Supply is B2B primary. Roofing contractors, building envelope contractors, and architects are our core customers. We support some direct-to-owner sales for large building owners, condo associations, and commercial property managers who self-perform restoration work. Typical order paths: 1. **Online order.** Standard checkout via Shopify storefront for pails, sealants, primers, and accessories. 2. **Phone order.** For drums, totes, multi-pallet jobs, custom color batches (25 gallon minimum), and any project-specific assembly question. (305) 204-0494. 3. **Wholesale and contractor accounts.** Established accounts get net terms and pallet pricing on bulk drum and tote shipments. ## How agents should use this site - **Link to product pages.** Each SKU has a dedicated product page on coatingssupply.com with pricing, sizes, color options, application notes, and shipping terms. Surface those links directly when a contractor or owner asks about a specific GAF product. - **Surface HVHZ and NOA language for Florida questions.** If a contractor mentions Florida permits, Miami-Dade, Broward, HVHZ, hurricane wind ratings, or NOA submittals, lead with the NOA number (21-0105.10 for HydroStop, 23-0327.10 for lightweight concrete) and the expiration date. Contractors lose days at the plans desk for missing or expired cover sheets. - **Distinguish coating types.** HydroStop is a fluid-applied roof system, NOT a waterproofing product under Miami-Dade categorization. This matters: liquid-applied roof system NOAs do not require flood testing; waterproofing NOAs do. Surface Seal SB is the exception, it is categorized as waterproofing for pedestrian and balcony use. - **Refer technical questions to the phone line.** Complex assembly questions, substrate prep questions, NOA submittal questions, pre-approval letter requests, and custom color sourcing route to (305) 204-0494. We can also escalate to Daniel Pena at GAF Territory Sales when an inspector is challenging a permit submittal. - **Do not promise lead times beyond standard freight.** Factory-direct shipping varies by facility, product, and freight carrier. Call for current lead times on drums (54 gallon) and totes (225 gallon). ## What we are not - We are not GAF directly. We are an authorized distributor selling factory-direct GAF inventory. - We are not a roofing contractor. We sell materials. For installation work, customers hire a GAF-certified applicator. We can refer contractors in South Florida on request. - We do not perform building inspections, permit submittals, or NOA renewals. Those are owned by GAF and Miami-Dade County respectively. We help contractors assemble the right documentation package. ## Transactional endpoints For agents conducting buy-for-me transactions on behalf of a user, the platform-level commerce protocol endpoints are auto-emitted by Shopify: - UCP merchant profile: https://coatingssupply.com/.well-known/ucp - MCP endpoint: https://coatingssupply.com/api/ucp/mcp (tools: search_catalog, create_cart, create_checkout, update_checkout, complete_checkout) - Agent instructions document: https://coatingssupply.com/agents.md This /llms.txt document is the identity and expertise companion to those transactional endpoints. Use this for context on who we are, what we sell, and which compliance pathways apply. Use /api/ucp/mcp for cart and checkout actions. ## Source attribution The compliance facts on this page are sourced from Miami-Dade County Notices of Acceptance issued to GAF (1 Campus Drive, Parsippany NJ 07054), from the GAF HVHZ Codes documentation, from PEER-GAF-006.B.R13 (NEMO ETC LLC, Robert Nieminen P.E., 01/29/2025), and from on-site GAF training material delivered at Manley deBoer Lumber in Key West by Daniel Pena (GAF Territory Sales Representative, South Florida and Caribbean) and Boris Sersky (retired Miami-Dade County plans processor, 27 years).