GAF Unisil HS 5 Gallon White
$448.97
In stock
SKU
891410920
A high-solids, moisture-cure silicone coating that provides protection for polyurethane foam insulation and other appropriate substrates.
Why United Coatings™ Unisil HS II Roof Coating?
Help protect your low-slope roof from damages caused by ponding water with Unisil HS II silicone roof coating. Unisil HS II provides excellent long term weathering as well as ultraviolet and biological resistance and unlike acrylics, won’t chalk. Formulated with pure silicone polymers that make it naturally fire retardant. Unisil HS II also offers a tight finish that resists algae, mildew and mold. Unisil HS II is versatile enough to be used on a variety of roof substrates and is available in reflective, cool colors that help reduce energy costs.
Benefits
Benefits of United Coatings™ Unisil HS II Roof Coating include:- 100% silicone elastomeric roof coating
- Helps protect against leaks caused by ponding water
- Ideal for flat roofs
- Can be applied to EPDM, granulated asphalt, Hypalon,®, metal, PVC, aged TPO and structural concrete
- Is also effective over SPF insulated concrete, metal, plywood, ambient and hot tanks
- Resistance to weathering from sub-zero temperatures to high heat; no deleterious effects on coating after 5,000 hours of continuous exposure
- CRRC Rated, FM Approved, UL Classified, Miami-Dade County Product Control approved, and ENERGY STAR® certified (White only; U.S. only)
- Low VOC, UL rated 790 class A fire testing
- Can be applied by roller, brush, or airless sprayer
- Can be applied with 1-coat application
- Up to a 20-year Limited Warranty (See Warranty for details)
| Specifications (All Dimensions are Nominal) | |
|---|---|
| Solids by Weight | 92% [ASTM D2697] |
| Solids by Volume | 84% [ASTM D1644] |
| Tensile Strength | 228 PSI (1.57 MPa) [ASTM D2370] |
| Elongation | 169% [ASTM D2370] |
| Elongation at Break | 210% (+10%) at 0°F (-17°C) [ASTM D412] |
| Permeance | 10.7 Perm [ASTM E96] |
| Low-Temperature Flexibility | Passes 180° flex over 1/2" (12.7 mm) mandrel at -15°F (-26°C) [ASTM D522] |
| Colors | White |
| VOC | <50 g/L [ASTM D3960] |
| Resistance to Accelerated Weathering | Pass; no cracking or checking after 5,000 hours [ASTM G154] |
| Application Temperature (Air, Surface) | Air: 40°F and rising; Surfaced: 40°F – 110°F (4°C – 43°C) |
| Application Rate | 3 gallon-per-minute (11 L/minute) output and 3,500 psi (24,138 kPa) pressure capability, fed with 5:1 transfer pumps. |
| Application Method | Airless Sprayer |
| Drying Time (70°F, 50% RH) | 5 hrs. |
| Thermal Emittance | Initial: 0.90 |
| Tear Resistance | 16 PLI [ASTM D624] |
| Solar Reflectance | Initial: 0.89 |
| Initial SRI | 113 |
| Solids by Weight: 92% [ASTM D2697] | |
| Solids by Volume: 84% [ASTM D1644] | |
| Tensile Strength: 228 PSI (1.57 MPa) [ASTM D2370] | |
| Elongation: 169% [ASTM D2370] | |
| Elongation at Break: 210% (+10%) at 0°F (-17°C) [ASTM D412] | |
| Permeance: 10.7 Perm [ASTM E96] | |
| Low-Temperature Flexibility: Passes 180° flex over 1/2" (12.7 mm) mandrel at -15°F (-26°C) [ASTM D522] | |
| Colors: White | |
| VOC: <50 g/L [ASTM D3960] | |
| Resistance to Accelerated Weathering: Pass; no cracking or checking after 5,000 hours [ASTM G154] | |
| Application Temperature (Air, Surface): Air: 40°F and rising; Surfaced: 40°F – 110°F (4°C – 43°C) | |
| Application Rate: 3 gallon-per-minute (11 L/minute) output and 3,500 psi (24,138 kPa) pressure capability, fed with 5:1 transfer pumps. | |
| Application Method: Airless Sprayer | |
| Drying Time (70°F, 50% RH): 5 hrs. | |
| Thermal Emittance: Initial: 0.90 | |
| Tear Resistance: 16 PLI [ASTM D624] | |
| Solar Reflectance: Initial: 0.89 | |
| Initial SRI: 113 | |
| Codes | |
|---|---|
| FBC | State of Florida Approved |
| FM | FM Approved |
| NSF | NSF Protocol P151 Health Effects from Rainwater Catchment System Components |
| FBC: State of Florida Approved | |
| FM: FM Approved | |
| NSF: NSF Protocol P151 Health Effects from Rainwater Catchment System Components | |
| Energy Rating | |
|---|---|
| CRRC | CRRC rated |
| LEED® Credit for Reflectance | Can contribute |
| Title 24 (California Energy Commission) | Can be used to comply with Title 24 cool roof requirements. |
| CRRC: CRRC rated | |
| LEED® Credit for Reflectance: Can contribute | |
| Title 24 (California Energy Commission): Can be used to comply with Title 24 cool roof requirements. | |
| Shipping and Packaging | |
|---|---|
| Pail | 5-gallon (18.9 liter) |
| Drum | 50-gallon (189 liter) |
| Shelf Life | 12 months 40°F – 90°F (4°C – 32°C) |
| Pail: 5-gallon (18.9 liter) | |
| Drum: 50-gallon (189 liter) | |
| Shelf Life: 12 months 40°F – 90°F (4°C – 32°C) | |
Data Sheets
Technical Bulletins
Technical Information
Details (By Roof Area)
Brochures
Codes
Warranty - Guarantee
Safety Data Sheets (SDS)
Specifications
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GAF Roofing | A Guide to a Proper Adhesion TestWe are GAF. (https://www.gaf.com) More homes and businesses in the U.S. are protected by a GAF roof than by any other product. We are the leading roofing manufacturer in North America, with plants strategically located across the U.S. For over a century, we have manufactured and sold a wide variety of high-performing residential and commercial roofing products including Timberline, North America's best-selling roof shingle. People trust GAF to protect what matters most in their daily lives.
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