Product details
FX‑815M Acrylic Roof Sealant – High-Performance Caulking for Repairs
Looking for a reliable acrylic roof sealant to fix leaks, seams, and fastener points? FX‑815M offers a premium, high-solids solution designed specifically for sloped roofing applications. It delivers exceptional flexibility, adhesion, and weather resistance.
✅ Why Choose FX‑815M Acrylic Roof Sealant?
Because it’s moisture-curing and high in solids, this caulking resists UV, mildew, and structural movement. It remains flexible over time, preventing cracks even in extreme conditions. As a result, you get a long-lasting solution that reduces maintenance.
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UV & Weather Resistant: Lasts longer when exposed to sun and moisture
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High Flexibility & Strength: Adapts to thermal shifts and foot traffic
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Deep Crack & Void Repair: Bonds well to complex roof conditions
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Seamless Compatibility: Works with acrylic coatings and membranes
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Clean, Controlled Application: Ideal for caulking gun or putty knife use
🧰 Common Applications
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Sealing bolts, head laps, and membrane seams
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Repairing splits or seam blisters
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Filling deep gaps before top-coating
⚠️ Avoid using this product on tar-based or EPDM rubber roofs—select a compatible sealant instead.
📋 Technical Highlights
| Attribute | Details |
|---|---|
| Type | High-solids Acrylic Roof Caulking |
| Finish | Flexible, weather-resistant (topcoat needed) |
| Application | Caulking gun or putty knife |
| Clean-up | Soap and water (while wet) |
| Compatibility | Pair with FlexRock acrylic coatings |
✅ Summary
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Common Uses Include:
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Sealing fastener heads, vents, and projections
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Repairing seams, blisters, and membrane splits
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Filling deep cracks, irregular gaps, and lap joints
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Securing bolt heads and vulnerable overlaps
Although most acrylic sealants are limited in extreme conditions, FX‑815M performs reliably under heat, cold, and mechanical stress. In contrast with conventional roof caulks, it continues to adhere even under flexing, foot traffic, and structural shifting. Therefore, it’s an ideal choice for contractors seeking dependable results on sloped roofs.
Important Note: This sealant is not compatible with EPDM rubber or tar-based roofing systems. For those materials, use a product specifically rated for compatibility.
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