Bituminous Membranes
StressPly Signature
Engineered with superior SBS modifiers for exceptional cold flexibility down to -30°C, this premium membrane system thrives in the UK’s most demanding environments. From coastal exposure to extreme temperature swings, Signature keeps your building watertight when it matters most.
Solarwatt panels feature premium glass-glass construction (not glass-plastic like many competitors), offering superior durability and performance. German engineering ensures minimal degradation (maximum 0.35% annually vs industry standard 0.7%), 30-year comprehensive guarantees, and proven reliability in challenging UK weather conditions.
Solarwatt panels feature premium glass-glass construction (not glass-plastic like many competitors), offering superior durability and performance. German engineering ensures minimal degradation (maximum 0.35% annually vs industry standard 0.7%), 30-year comprehensive guarantees, and proven reliability in challenging UK weather conditions.
Engineered For Excellence
Extreme Cold Flexibility
Ensures year-round protection and resists cold-temperature cracking to -30°C.
High SBS Modifiers
High SBS content ensures superior elasticity, puncture resistance, and long-lasting durability.
Low-Melt Installation
Faster, safer installation with complete adhesion for watertight performance.
Multi-Layer Protection
Triple-layer design provides lasting waterproof protection for essential assets.
System Components
Three-layer engineered protection delivering watertight performance in the most demanding environments.
StressPly Signature
Mineral Cap Sheet
Premium SBS modified bitumen membrane with superior cold flexibility and UV protection. The mineral slate finish provides exceptional weather resistance and long-term performance.
Torch Flex Ultra-Vent
Reinforced Underlayment
High-performance torch-on base sheet with adhesive strips that allow trapped vapour to disperse throughout the system, preventing blistering and ensuring system longevity.
Torch Flex Vapour Barrier
Vapour Control Layer (VCL)
SBS modified metal-lined vapour control layer preventing water vapour infiltration that can cause condensation damage and system failure.
Quick Reference
| Layer | Tensile strength - L/T (N/5cm) | Thickness (mm) | Low Temp. Flex (°C) | Length (m) | Width (m) |
|---|---|---|---|---|---|
| StressPly Signature Cap | 1100/900 | 5.5 | -30 | 5 | 1.0 |
| Torch Flex Ultra Vent | 900/700 | 3.5 | -20 | 8 | 1.0 |
| Torch Flex Vapour Barrier | 600/400 | 3.0 | -20 | 10 | 1.0 |
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