Product Description

IKO TGX SBS Torch-On Roofing Underlay 16m x 1mThe IKO TGX SBS Torch-On Roofing Underlay is a glass fibre-reinforced, SBS-modified bitumen membrane designed for use as an underlay in professional built-up roofing systems.

The IKO TGX SBS Torch-On Roofing Underlay is a glass fibre-reinforced, SBS-modified bitumen membrane designed for use as an underlay in professional built-up roofing systems.

Manufactured with SBS (styrene-butadiene-styrene) modified bitumen, this roofing underlay offers enhanced flexibility to accommodate changes in temperature, helping to maintain the performance of the completed roofing system.

The membrane features a fine sand finish on its upper surface and a thermofusible film on the underside, which melts during torch application to create a secure bond with a suitable prepared roofing surface.

Designed for use alongside compatible IKO TGX Torch-On Cap Sheets, this underlay forms part of a durable, multi-layer waterproofing system suitable for domestic and commercial flat roofing applications.

Key Features & Benefits:

• SBS-modified bitumen – Provides improved flexibility during temperature fluctuations.
• Glass fibre reinforcement – Offers strength and dimensional stability within the roofing system.
• Torch-on application – Designed to be heat-bonded to suitable prepared surfaces.
• Fine sand upper surface – Provides a suitable finish for bonding a compatible torch-on cap sheet.
• Thermofusible backing film – Melts during installation to enable full bonding.
• Suitable for new and existing roofs – Can be used in specified new-build and roofing refurbishment systems.
• 16m x 1m roll – Provides 16m² of nominal coverage before allowing for overlaps and wastage.
• Part of the IKO TGX roofing system – Compatible with specified IKO TGX SBS mineral cap sheets.

Typical Applications

Domestic flat roofing systems
• Commercial flat roofing projects
• Built-up torch-on felt roofing systems
• New roofing installations
• Flat roof repairs and refurbishment
• Suitable overlays of existing bituminous roofing systems, subject to specification

Application Advice

IKO TGX SBS Torch-On Underlay is intended for use as part of a compatible built-up bituminous roofing system and should be finished with a suitable roofing cap sheet.

Installation involves the use of naked flames and should only be carried out by suitably trained and competent roofing professionals. Always follow IKO's technical guidance, relevant building regulations and Safe2Torch fire safety recommendations.

This product is not a breathable roofing membrane and is not intended for use as a conventional underlay beneath roof tiles or slates.