Flat Roofing
Bituminous Membranes
High-performance, multi-layer systems for ultimate waterproofing protection
Reliable protection with
design flexibility
Our advanced membrane systems provide watertight performance for both new build and refurbishment projects.
Designed to deliver more than just waterproofing, they can improve energy efficiency, enhance durability with superior tensile strength, and offer flexible installation options.
From torch-on to self-adhesive, our systems suit your project needs.
30 Years. Zero Worries.
Our Single-Point Guarantee is unmatched in the industry — one promise, one contact, complete protection. No third-party disputes, no hidden gaps. Just absolute accountability for decades, not years.
Applications
Tailored solutions for every project stage, aligned to your building
needs and budget.
Refurbishment
Extend your roof’s lifecycle, address weaknesses and apply the right system for long-term performance.
Replacement
High-performance systems that deliver watertight protection and boost energy efficiency.
Retrofit
From concept to completion, our Technical Managers help you design and deliver a robust, future-ready roof.
New Build
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Choose Your Protection Level
Specialist systems. One trusted partner.
Each membrane system is made for specific applications and performance
requirements. From extreme weather conditions to heritage refurbishments,
select the system that delivers your project’s exact needs.
StressPly Signature
Superior modified bitumen that performs when others fail, engineered for the UK’s most demanding environments.
- Extreme flexibility down to -30°C
- High SBS modifier content for exceptional durability
- Low-melt application technology for faster installation
StressPly Flex Plus
Multi-layer waterproofing protection with built-in thermal movement defense, engineered for maximum security applications.
- Reinforcement within each layer prevents membrane breaks
- Suitable for both warm and cold roof systems
- Mineral cap sheet provides UV damage protection
StressPly Flex
High-strength torch-on bituminous system with superior tensile and tear strength, the proven choice for refurbishment projects.
- Superior tensile and tear strength for optimum performance
- Suitable for both cold and warm roof applications
- Torch-on application for reliable waterproofing
StressPly Flex SA
Garland UK’s premier flame-free modified bitumen system combining self-adhesive membranes, hot air welding and solvent-free adhesives.
- Self-adhesive compound technology
- Flame-free application
- NFRC Safe2Torch compliant
StressPly Evolution
Elastomeric SBS bitumen membrane with superior durability and versatile waterproofing performance.
- Mineral-free head-lap reduces installation time & labour costs
- Superior bond strength eliminates potential failure points
- Simplified application process with enhanced reliability
Found the right system for you?
Your local Garland UK Technical Manager is here to help you choose the right solution and
ensure your roof is protected for the future.
Performance
| System Cap Sheet | ||||
|---|---|---|---|---|
| StressPly Signature | ||||
| StressPly Flex Plus | ||||
| StressPly Flex | ||||
| StressPly Evolution | ||||
| StressPly Defender Plus | ||||
| StressPly Defender | ||||
| StressPly Flex SA |