Visqueen Ultimate Geoseal 2.44m x 41m x 1mm RS058034

Product Overview:

Visqueen Ultimate Geoseal is a 1mm thick, robust pre-applied waterproofing barrier. It is coloured grey on the upper surface and black on the reverse. The grey surface is textured to aid adhesion to cast concrete. The barrier is supplied in single wound rolls (not folded), 2.44m x 41m.

Features & benefits

• Agrement certified - third party accreditation
• Complies with NHBC Foundation’s NF94 guidance for use in Type B and Type C membrane locations
• Complies with CIRIA C748:2014 - industry standard for volatile organic compounds (VOC) protection
• Complies with the methane gas transmission rate, mass per unit area and thickness requirements of BS 8485:2015 + A1:2019 - industry standard for methane and carbon dioxide protection
• Type A Barrier Membrane (Tanking Membrane) - resistant to ground water in accordance with BS 8102:2022
• High resistance to puncture - greatly reduces risk of barrier becoming damaged during the build process
• Multi functional - also acts as a radon and damp proof membrane
• Dual jointing methods - lap joints can be taped or heat welded

Usage

• Visqueen Ultimate GeoSeal is a pre-applied fully bonded Type A Barrier Membrane (Tanking Membrane) for use with below ground reinforced concrete structures e.g. basements, retaining walls, lift pits and car parks. The barrier also prevents the ingress of harmful levels of volatile organic compounds (VOCs) and hazardous ground gases.
• The pre-applied barrier can be used to achieve waterproofng to Grades 1, 2 and 3 as defned in BS 8102:2022.
• Radon, carbon dioxide, methane, and VOC protection – NHBC NF94 guidance: Visqueen Ultimate GeoSeal when installed with welded joints complies with NHBC Foundation’s NF94 publication, Hazardous ground gas - an essential guide for housebuilders, in Type B membrane locations in reinforced cast in situ concrete foor slabs (ground bearing, suspended or raft). Visqueen Ultimate GeoSeal also complies with this guidance when installed with welded joints in Type C membrane locations in precast suspended segmental subfoors and reinforced cast in situ concrete foor slabs (ground bearing, suspended or raft). For site or zone characteristic gas situations of CS4 and above, contact Visqueen Technical Services.