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Base and Ply Sheets

SA Base IV

  • Low Labor
  • Ease of Installation
  • Security in Multi-Ply Construction

SA Base IV is an easy-to-apply, self-adhering, Styrene-Butadiene-Styrene (SBS), fiberglass-reinforced modified bitumen base sheet explicitly designed with the StressPly® IV torch-applied membrane roof system. This strong adhesive backing with a peel-off release film makes this base sheet quick and simple to install, helping to save time and money.

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Product Specifications

Features

Professional photos of Port Arthur Elementary School

Security in Mult-Ply Construction

SA Base IV is the base layer in a multi-ply roof system. It provides a robust, watertight foundation for the multi-ply roof system, adding strength, flexibility, and protection for long-term performance. 

Product Page Feature Photos

Low Labor

SA Base IV requires less time and material during installation due to the self-adhering nature of the base sheet, significantly reducing labor costs throughout the application.

Product Page Feature Photos

Ease of Installation

SA Base IV has a strong adhesive backing with peel-off release film that is very simple to install. Additionally, it saves time and labor costs on the job. 

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RMer Span Curve Panels are being installed onto the North County Regional Library