QUICK SPEC
POLYURETHANE FOAM - DIATHON
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

Spray, roller, or brush
Requirements




Moisture survey required.
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.
3.
Conduct moisture survey and remove/replace all wet areas.
Repair penetrations, flashings, curbs, and terminations with like materials.
Power-wash roof. It is recommended to use United Cleaning Concentrate (UCC) to clean the
roof. Allow roof to completely dry.
For recoat applications: Treat all splits, roof penetrations, drains, and curbs.
Apply coating per the chart below:
4.
5.
POLYURETHANE FOAM
DIATHON®
Base Coat
Product Base
Product Gal/Sq (Choose one)
1st Coat
Coating
2nd 3rd Coat
Coat
Total
4th Coat
Coating
Gal/Sq
Gal/Sq
DFT*
Warranty
Limited Emerald Diamond Warranty Pledge
Pledge
Diathon® Base 1.50
Diathon®
Diathon® QS
1.50
1.00
2.50
4.00
46
Yes
Yes
No
Diathon® Base 1.50
Diathon® HT
1.00
1.25
2.25
3.75
44
Yes
Yes
No
Diathon® Base 1.50
Diathon®
Diathon® QS
1.50
1.00
1.00
3.50
5.00
55
Yes
Yes
No
Diathon® Base 1.50
Diathon® HT
1.00
1.00
1.00
3.00
4.50
51
Yes
Yes
No
Diathon® Base 1.50
Diathon®
Diathon® QS
1.50
1.00
1.00
4.50
6.00
63
Yes
Yes
No
Diathon® Base 1.50 Diathon® HT
1.25
1.25
1.25
3.75
5.25
57
* Dry Film Thickness (DFT) uses the average % solids by volume between the two coatings, is rounded to nearest Yes
Yes
No
10 Year
15 Year
20 Year
1.00
mil, and is theoretical. Actual DFT will vary dependent on substrate profile, application technique & waste factor).
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