TRI-BUILT® Insulation Board has flexible plastic facers on both sides to enhance durability and the perforated facers to allow moisture vapor to escape.

The TRI-BUILT® System Siding Underlayment is just one component of a comprehensive TRI-BUILT® System that protects against moisture and enhances energy efficiency. To achieve the full benefits of this system, combine siding underlayment with our other product lines.

TRI-BUILT® provides quality residential and commercial building materials that deliver professional results. By focusing on the professional contractor, TRI-BUILT® has become a recognized and trusted leader in the construction industry. From roofing and siding materials, windows, coatings, and more, TRI-BUILT® is a name you can trust at a competitive price.