Proteus Pro-Felt® 3mm Plain Underlay - Torch-on Reinforced Bitumen Membrane

Torch-on reinforced spunbond polyester elastomeric bitumen membrane to be used as an underlay or VCL to high performance Proteus capsheets and as part of Proteus Pro-Felt® overlay systems and the Proteus built-up roof system range.

Features and benefits:

• Manufactured in Europe.
• Designed to provide high performance at extreme temperatures at high altitudes.
• Retains its high elastomeric ability and performance and ensures the roof is protected by a durable and lasting waterproofing membrane.
• 4.05 kg/m² with high tensile strength.
• SBS (styrene-butadiene-styrene) modified bitumen.
• Thermofusible film.
• Polypropylene finish.
• The range includes flame-free, self-adhesive layers.
• Bespoke specifications available; consult manufacturer for details.

To be installed by torch-application to the underside of the membrane. Ensure the underside is heated to a sufficient level and is soundly adhered to the substrate. All lap joints must be completely sealed, with a continuous 5 mm bitumen bead extruding from all laps. Side laps to be a minimum of 80 mm. End laps a minimum of 100 mm.