In-Seam Mechanically-Attached System

This mechanically-attached system is your best choice when speed and ease of installation are important. Sarnafast features metal plates fastened in the membrane overlap, spaced according to the roof’s wind uplift requirements. It is designed to meet wind conditions on most building types.

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Sarnafast Cut-Away

S327 Roof Membrane

The Sarnafil S Membrane is a thermoplastic PVC roof membrane used in mechanically attached systems. This roof membrane is polyester reinforced, which provides the high breaking and tearing strength needed to prevent excessive elongation and sheet deformation under the stresses produced by the lifting of the membrane in this type of system.

With four decades of proven performance history, our durable thermoplastic roofing membranes are the products of choice by architects, specifiers and building owners who want the peace of mind that comes with buying from the performance leader.

S series membranes offer the following benefits:

  • Vapor permeable
  • High breaking and tearing strength
  • Highly flexible
  • High mechanical strength
  • Weather and UV resistant
  • White, Tan and Reflective Gray available in 10 ft rolls
  • All other colors available in 6.5 ft rolls