StressPly
Bituminous Membrane Systems
Multi-layer waterproofing systems for refurbishment and new-build applications
Built around your specification
StressPly is Garland UK’s range of built-up bituminous membrane systems, combining multiple waterproofing layers to create a robust roofing assembly for refurbishment and new-build projects.
Available in torch-applied and self-adhesive configurations, the range includes systems tailored to different installation requirements, roof constructions, and project constraints.
From standard refurbishment schemes to high-specification waterproofing applications, StressPly systems can be selected to align with the technical, operational, and budget requirements of the building.
One guarantee.
Total accountability
We take full responsibility for design, materials, and installation workmanship, removing risk and uncertainty for building owners and estates teams.
Why specify StressPly?
A range of built-up membrane systems designed to suit different roof constructions, installation requirements, and project objectives
Multi-layer protection
Waterproofing is achieved through multiple membrane layers working together as a complete roofing assembly.
Installation choice
Available in torch-applied and self-adhesive configurations to suit project requirements.
Specification flexibility
A range of system build-ups allows the waterproofing assembly to be aligned with the building and roof construction.
Refurbishment & new-build
Suitable for both roof renewal and new construction projects across a wide range of sectors.
Choose Your Protection Level
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
A high-specification SBS-modified bituminous membrane system developed for projects requiring enhanced flexibility and resilience in demanding conditions.
- Flexible to temperatures down to -30°C
- High SBS modifier content
- Low-melt application technology
StressPly Flex Plus
Multi-layer waterproofing protecting with properties to withstand building and thermal movement, designed for waterproofing longevity.
- Reinforcement to support membrane tensile strength
- Suitable for both warm and cold roof systems
- Mineralised finish to protect from UV degredation
StressPly Flex
Torch-on bituminous system with tensile and tear strength, the proven choice for refurbishment projects.
- 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 and hot air welding.
- Self-adhesive compound technology
- Flame-free application
- NFRC Safe2Torch compliant
StressPly Evolution
Elastomeric SBS bitumen membrane with durable and versatile waterproofing performance.
- Thermal, mechanical and ageing characteristics
- Bond strength eliminates potential failure points
- Simplified application process with enhanced reliability
Need specification advice?
Your local Garland UK Technical Manager can help assess your roof, develop the appropriate specification, and recommend the right StressPly system for your project.
Performance
| System Cap Sheet | Guarantee | Thickness (mm) | Tensile strength - L/T (N/50mm) | Puncture resistance (kg) |
|---|---|---|---|---|
| StressPly Signature | 30 years | 5.5 | 1200/1000 | 25 |
| StressPly Flex Plus | 30 years | 5.5 | 1200/1000 | 25 |
| StressPly Flex | 30 years | 5.5 | 1200/1000 | 25 |
| StressPly Evolution | 30 years | 5.5 | 1200/1000 | 25 |
| StressPly Defender Plus | 30 years | 5.5 | 1200/1000 | 25 |
| StressPly Defender | 30 years | 5.5 | 1200/1000 | 25 |
| StressPly Flex SA | 30 years | 5.5 | 1200/1000 | 25 |