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and general maintenance sealing
Specification Details Material Type Galvanised Steel Thickness 1mm Width 12mm Length 10m Sales Unit Each Colour Black
Backfilling: Surround with compacted granular material before final backfill
The woven structure provides high tensile strength
Fire Protection: Complies with FD30 standards for 30-minute fire resistance
Torch-On SBS Underlay – Heavy Duty – Residential & Commercial Roofing Soil Pipes and general maintenance sealingProduct Overview This Heavy Duty Torch On SBS Underlay is supplied in a 16m roll, providing a durable waterproofing base layer for flat and low pitched roofing systems. Reinforced with a strong polyester core and modified with SBS elastomeric bitumen, this underlay ensures flexibility, dimensional stability, and long term resistance to cracking. It serves as the essential first layer in multi layer torch on systems, creating a robust waterproofing
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