Redirecting…

Andrew Sutherland is the founder of R-Value Associates and a building materials specialist with over 20 years of experience in the construction industry. He works directly with contractors, builders, and insulation professionals to source high-performance products including custom house wrap, synthetic roofing underlayment, and spray foam insulation. Andrew's hands-on expertise in building envelope systems, energy efficiency, and material science drives the technical content on this blog. Connect on LinkedIn | Read more about Andrew