SBS Torch-On Roofing Felt Underlay (16m x 1m, 2.2mm thick) is a high-performance torch-applied base layer designed for traditional built-up felt roofing systems. Modified with SBS bitumen for superior flexibility and durability, it forms a reliable waterproof foundation beneath cap sheets.

This underlay is ideal for flat roofs, garages, extensions, and other structures requiring a strong and adaptable waterproofing solution. It’s compatible with a wide range of torch-on mineral cap sheets.

Key Features:

• Size: 16m x 1m | Thickness: 2.2mm

• SBS-modified bitumen for enhanced flexibility

• Torch-on application ensures secure bonding

• Ideal base layer in multi-layer felt systems

• Suitable for flat and low-pitched roofs

• Excellent waterproofing performance

• Durable and cost-effective roofing solution

Engineered to perform under all weather conditions, this underlay is a key component in any professional roofing system.