FT Synthetics Platinum HTSA Underlayment 965002 41mil Blue Protection

Description

Product Overview

The FT Synthetics Platinum HTSA Underlayment is a 41 mil thick, 100% butyl membrane designed to protect roof decks from ice, water infiltration and UV degradation. Engineered for demanding environments, it meets ASTM D226, D4869, D1970, E108, CAN/CSA A123.3, A220.1, and is approved by TDI, RCABC RoofStar and the Florida Building Code. Each roll measures 7.75 x 7.75 x 38 inches, weighs 40 lb, and comes in a durable blue color for easy identification on the job site.

Usage

This underlayment is ideal for residential and commercial roof decks, especially in regions prone to ice dams, heavy rain, or intense sunlight. Install it beneath shingles, metal roofing, or tile to create a waterproof barrier that remains flexible in extreme temperatures. The split‑release silicone liner allows quick placement, and the material’s nail‑sealability ensures a secure seal even in high‑wind conditions.

Why Choose Us

FT Synthetics combines decades of roofing expertise with rigorous testing to deliver a product that stands up to the toughest weather. Our Platinum HTSA Underlayment offers a limited lifetime warranty, reflecting confidence in its durability and performance. Certified to multiple international standards, it provides peace of mind for contractors, builders, and DIY homeowners alike.

Key Features

• 41 mil thick butyl membrane delivers superior waterproof protection.
• Split‑release silicone liner enables fast, tool‑free installation.
• UV resistant for up to 180 days, maintaining flexibility and strength.
• Meets multiple ASTM and building code certifications for confidence in compliance.
• Limited lifetime warranty backed by FT Synthetics’ dedicated support team.

FAQ

Can this underlayment be used with any type of roofing material?

Yes, it is compatible with shingles, metal panels, tile, and other common roofing systems, providing a reliable waterproof barrier beneath the final roofing material.

How long does the UV resistance last?

The butyl membrane remains UV resistant for up to 180 days after exposure, giving ample time for the final roofing material to be installed.

Is special equipment required for installation?

No special tools are needed. The split‑release silicone liner allows the roll to be unrolled and positioned easily, and nails can be used to seal the seams.

What warranty does FT Synthetics offer?

The product comes with a limited lifetime warranty covering material defects and performance when installed according to the guidelines.

Does the blue color affect performance?

The blue color is purely for visual identification on the job site and does not impact the membrane’s protective qualities.