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Henry Pro-Grade 988 100% Silicone Roof Coating, Gray, 5 Gallon
Regular price $335.00Orders start at $399 — combine any items to reach the minimum. Learn more
Henry Pro-Grade 988 100% Silicone Roof Coating, Gray, 5 Gallon
Henry Pro-Grade 988 is a solvent-free, one-component, moisture-curing 100% silicone rubber roof coating for existing BUR, cap sheet, single-ply, acrylic, metal, foam and aged membrane roofs. It applies over 50 mil in a single coat and resists permanent ponding water. This line sells as one gray 5-gallon pail.
Key Features:
- 100% silicone cure: One-component, moisture-curing silicone rubber technology in a solvent-free formulation.
- Ponding water resistant: Permanently resistant to ponding water, rain safe in 15 minutes.
- Dirt pick-up resistance: DPUR technology helps prevent dirt and dust buildup so the coating stays whiter and brighter longer.
- Thick single coats: High solids content allows application in excess of 50 mil in one coat without blistering.
- Weathering protection: Resists ozone, ultraviolet radiation and temperature extremes for long-term weathering protection.
- Energy benefits: Reflective formula delivers lasting reflectivity and energy savings.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Henry |
| Sell unit | 1 pail, 5 gal |
| Product line | Henry Pro-Grade 988 Silicone Roof Coating |
| Available colors | Gray |
| Available sizes | 5 gal |
| Dimensions | 5 gal pail |
| Material | 100% silicone, moisture-curing, solvent-free, high solids |
| Finish / texture | Silicone rubber coating |
| Coverage per unit | Per pail coverage depends on applied mil thickness; can be applied in excess of 50 mil in a single coat |
| Application surfaces | Smooth asphaltic BUR, smooth or granulated cap sheet, single-ply membrane, well-adhered acrylic coating, metal, sprayed-in-place polyurethane foam, aged membrane roofing |
| Rain safe | 15 minutes |
| Intended use | Restorative liquid-applied roof coating |
Coverage & How Much You Need:
Coverage per 5-gallon pail depends on substrate and applied film thickness; the coating may be applied in a single coat in excess of 50 mil without blistering. Measure wet mil thickness and substrate porosity to determine coverage rates.
Fit and Compatibility:
Adheres to smooth asphaltic BUR, smooth or granulated cap sheets, single-ply membranes, well-adhered acrylics, metal, sprayed-in-place polyurethane foam and various aged membranes. Proper surface preparation and primers per Henry system requirements are sold separately.
Frequently Asked Questions (FAQ):
Q: What is included?
A: One gray 5-gallon pail of Henry Pro-Grade 988 silicone roof coating.
Q: What substrates can it coat?
A: Smooth asphaltic BUR, smooth or granulated cap sheet, single-ply membranes, well-adhered acrylic coatings, metal, sprayed-in-place polyurethane foam and various aged membrane roofs.
Q: How quickly is it rain safe?
A: It is rain safe in 15 minutes after application.
Q: Can it handle ponding water?
A: Yes, the coating is permanently ponding water resistant.
Q: Can I apply it thick in one pass?
A: Yes, its high solids, solvent-free formula can be applied in excess of 50 mil in a single coat without blistering.
Q: What keeps it looking clean?
A: Dirt pick-up resistance (DPUR) technology helps prevent dirt and dust buildup, extending reflectivity.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Pro-Grade 988 is a strong choice for restoring roofs with ponding water where acrylic coatings typically fail; 100% silicone stays flexible and adheres well when surfaces are clean and dry. Take advantage of the 50-mil single-coat capability to cut labor, and verify substrate soundness and adhesion with a test patch on aged membranes. Choose white where reflectivity matters and gray where appearance or dirt visibility is a concern.
Follow the product label's safety instructions and apply only under suitable weather conditions, keeping coatings out of drains during preparation.
Order Henry Pro-Grade 988 100% silicone roof coating in gray 5-gallon pails for long-lasting roof restoration.
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