Proteus Pro-Felt® Ultima Plus Sanded Underlay - Torch-on Fibreglass Plastomeric Membrane

Torch-on fibreglass plastomeric bitumen membrane to be used as a VCL or underlay to high performance Proteus capsheets and as part of Proteus Pro-Felt® overlay systems and the Proteus built-up roof.

Features and benefits:

• Manufactured in Europe.
• Designed to provide high performance at extreme temperatures at high altitudes.
• 3 mm-thick with good tensile strength.
• Thermofusible film.
• Sanded finish (black cap sheet).
• The range includes flame-free, self-adhesive layers.
• Bespoke specifications available; consult manufacturer for details.

To be installed by roof torch-applied 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.