LSU 30-30-30 Asphalt Saturated Underlayment
LSU 30-30-30 Asphalt Saturated Underlayment
Description: A semi-permeable moisture vapor retarder for use under tile and hardwood floors. LSU 30-30-30 Asphalt Laminated Underlayment is rated for “moderate” water vapor resistance.
Composition: Consists 30 lbs per ream of high melt point asphalt laminated between 2 sheets of Bs 30 kraft paper.
Size: Produced in 36″W x 167LF (500 Sq. Ft.) rolls. The roll weight is approximately 15 lbs.
Specifications: Meets Federal Specification UU-B790A, Type 1, Grade B, Style 1A.
Physical Properties:
Water Resistance: ASTM D-779 – Standard Test Method for Water Resistance of Paper, Paperbound, and Other Sheet Material by the Dry Indicator Method. Exceeds industry standard for grade B paper. Meets industry standard of greater than 16 hours.
Tensile Strength: ASTM D-828 – Tensile Properties of Paper and Paperboard Using Constant-Rate-of-Elongation Apparatus. Meets the industry standard of more than 20 lbs. f./inch in both directions.
Water Vapor Transmission: ASTM E-96 – Transmission of Water Vapor through Materials.

American Society for Testing & Materials (ASTM)
Contact us about LSU 30-30-30 Asphalt Saturated Underlayment
919-896-7395
