| Shingle coating | Compatible commercial shingle assembly | Attachment, moisture, repairs, and warranty review | Use only when the shingle roof can support the selected system. |
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| Acrylic roof coating | Compatible roof base with suitable drainage | Existing material, patches, drying conditions, and detail work | Consider for another compatible roof base when shingle coating is unsuitable. |
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| Silicone roof coating | Suitable commercial roof with drainage checked | Moisture, ponding, substrate, and system compatibility | Consider where standing water conditions matter on another suitable roof. |
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| Metal roof coating | Metal panels, seams, and fasteners | Rust, loose fasteners, connections, and sheet-metal repairs | Use the metal pathway when the roof is metal rather than shingle. |
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| Spray foam roofing | Existing foam or a prepared substrate | Wet, exposed, or damaged foam and protective coating condition | Consider when the roof base is foam and needs its own restoration decision. |
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