QUICK SPEC EPDM – HYDROSTOP™ PREMIUMCOAT Method

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QUICK SPEC
EPDM – HYDROSTOP™ PREMIUMCOAT®
NOTE: The following “Quick Spec” is an abbreviated specification and is not meant to replace the detailed specification. Read
the entire 3-Part CSI System Specification prior to starting the project.
Method


Use GAF Roof Brush to apply HydroStop™ PremiumCoat® Foundation Coat
Spray, roller, or brush apply HydroStop™ PremiumCoat® Finish Coat
Requirements




Moisture survey recommended for all non-metal roofs.
Roof must be clean, dry, and tight.
Adhesion test required to ensure proper adhesion to substrate(s).
Apply at 50°F (10°C) and rising with no rain or freezing temperatures in forecast for 24 hours.
Application
Instructions
1.
2.
Conduct moisture survey and remove/replace all wet areas.
Repair membrane including seams, penetrations, flashings, curbs, and terminations with like
materials.
Clean and prime using either Adhere-It II or CleanAct Rinsable Primer. Adhesion test required
to ensure adhesion minimum of 2.0 pli.
Treat all roof penetrations, drains, curbs, and scuppers.
Apply HydroStop™ PremiumCoat® System per the chart below:
3.
4.
5.
EPDM SPECIFICATION ™ ® HYDROSTOP PREMIUMCOAT SYSTEM
Foundation Coat 10 Year 15 Year 20 Year 25 Year Gal/Sq DFT1 2.5 2.5 2.5 2.5 27 27 27 27 1st Coat 0.75 1.00 1.00 1.50 Finish Coat 2nd Coat 3rd Coat 0.75
1.00
1.00
1.50 1.00 1.00 Total Gal/Sq
DFT1 Gal/Sq DFT1 1.5
2.0
3.0
4.0 13
17
25
33 4.0
4.5
5.5
6.5 40 44 52 60 Warranty2 Limited Emerald Diamond Warranty Pledge Pledge Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
No Yes No 1. Dry Film Thickness (DFT) is rounded to nearest mil and is theoretical. Actual DFT will vary dependent on substrate profile, application technique & waste factor. DFT includes 6 mils for fabric (where applicable). 2. Warranties available to GAF certified "Premium Contractors" only. 
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