Bituminous Membranes

StressPly Flex SA

Premium flame-free modified bitumen system combining self-adhesive technology with hot air welding. StressPly Flex SA delivers the same durability and waterproofing performance as torch-on systems, without naked flame. Ideal for occupied buildings, heat-sensitive substrates, and Safe2Torch compliance, ensuring safe installation without compromising protection.

Mask Membrane Flex Sa Header 1

Why Choose StressPly Flex SA?

Flame-Free Installation

Self-adhesive membranes and hot air welding eliminate naked flame risks for safe installation.

Occupied Building Safe

Ideal for live environments with no flame hazards or disruption to building operations.

Safe2Torch Compliant

Meets Safe2Torch guidance for flame-free installation on sensitive substrates and deck materials.

Full Performance Protection

Delivers the same durability and waterproofing integrity as traditional torch-on systems.

System Components

Three-layer flame-free system using self-adhesive technology and hot air welding for safe installation on heat-sensitive substrates.

StressPly Flex SA

Mineral Cap Sheet

3.5mm thick cap sheet membrane containing high-quality SBS rubber compound for maximum durability and waterproofing performance. The mineral slate finish provides UV protection and weather resistance, available in charcoal and brown finishes. Self-adhesive lap technology allows sealing without naked flame, while maintaining the same robust protection as torch-on systems. Ideal for installation over heat-sensitive insulation and combustible deck materials.

Stressply

SA Flex Base

Self-Adhesive Underlayment

High-performance underlayment featuring polyester reinforcement and SBS modifiers providing excellent tear and puncture resistance while allowing roof structure flexibility. Designed with self-adhesive strips for completely flame-free application, eliminating risks associated with hot air or torch installation on sensitive substrates. The reinforced construction ensures long-term system integrity across demanding refurbishment and new build applications.

Stressply

SA Flex VCL

Vapour Control Layer (VCL)

SBS modified metal-lined vapour control layer designed for self-adhesive applications, eliminating flame requirements at every layer of the system. This high-performance membrane prevents water vapour infiltration that leads to condensation damage and insulation performance loss. The metal-lined construction provides superior vapour resistance while self-adhesive technology ensures safe installation without compromising protection or system integrity.

Stressply

Quick Reference

Layer
Tensile strength - L/T (N/5cm)

Thickness (mm)
Low Temp. Flex (°C)
Length (m)

Width (m)
StessPly SA Flex Cap
700/500
4.2
-25
10
1.0
SA Flex Vapour Barrier
1400/1400
3.0
-25
10
1.0
SA Flex Base Sheet
400/300
3.0
-25
10
1.0

Ready To Specify With Confidence?

Your local Garland UK Technical Manager is here to help you choose the right solution and
ensure your roof is protected for the future.

Garland UK
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