CertainTeed RoofRunner is a mechanically attached synthetic underlayment comprised of a polypropylene woven scrim coated on both sides with a polypropylene non-woven scrim on the exposed side. The underlayment is black in color and has an overall weight of 2.05 pounds per 100 square feet. The underlayment is available in rolls of 48 in. wide by 250 ft. long.
CertainTeed DiamondDeck is a mechanically attached synthetic underlayment comprised of a polypropylene woven scrim coated on both sides with a polypropylene non-woven scrim on the exposed side. The underlayment is grey on the exposed side and black on the sheathing side and has an overall weight of 3.69 pounds per 100 square feet. The underlayment is available in rolls of 48 inches wide by 250 feet long.
PHYSICAL RATINGS
| PRODUCT |
TEST METHOD |
TEST PROCEDURE |
RESULTS |
CertainTeed RoofRunner and DiamondDeck
Underlayments |
ASTM D226 |
Unroll-ability |
Meets Type II |
| Breaking Strength |
Meets Type II |
| Pliability |
Meets Type II |
| Loss on Heating |
Meets Type II |
| CSA A123.3 |
Unroll-ability |
Meets Type 3 |
| Breaking Strength |
Meets Type 3 |
| Pliability |
Meets Type 3 |
| Loss on Heating |
Meets Type 3 |
| Liquid Water Transmission |
Meets Type 3 |
| ASTM D4869 |
Unroll-ability |
Meets Type IV |
| Breaking Strength |
Meets Type IV |
| Pliability |
Meets Type IV |
| Loss on Heating |
Meets Type IV |
| Liquid Water Transmission |
Meets Type IV |
| Tear Strength |
Meets Type IV |
| Dimensional Stability |
Meets Type IV |
| CAN/CSA A220 |
All test procedures applicable to underlayments for use in areas having 3500 degree days or less below 18 degrees |
Meets Standard Requirements |
FIRE CLASSIFICATION
Class A Assemblies
| Assembly No. |
E108-RFU-56646 |
Slope:
Deck Type:
Details:
|
2:12 or greater
Combustible
- Minimum nominal 15/32” thick Code Compliant exterior grade plywood
- A single layer of RoofRunner or DiamondDeck roofing underlayment mechanically fastened to the plywood sheathing every 12 inch oc in the field and on the perimeter using plastic cap nails
- Asphalt shingles Listed per ASTM D3462 with a minimum weight of 190 pounds per 100 square feet installed per manufacturer’s installation instructions
|
CODE COMPLIANCE RESEARCH REPORT
| Evaluation Method |
Building Code |
CCRR Number |
ICC-ES AC188
ASTM D8257 |
2021, 2018, and 2015 IBC
2021, 2018, and 2015 IRC
2023 FBC
2022 CBC
2022 CRC |
CCRR-1048 |
