UnderFloor Wrap consists of a substrate of ultra-violet stabilised woven polypropylene, which provides superior tear resistance. It is corona-treated to ensure enhanced adhesion. Bright aluminium foil is laminated to one side. UnderFloor Wrap has 5mm holes centrally at least every 320mm to ensure drainage of any condensation build-up.
Declared total R-value
For a typical installation between floor joists: With carpet & underlay, 19mm particle board, sealed 100mm reflective air space, Battmans Underfloor Wrap, with the foil facing into the sealed air gap, is able to achieve:
R3.35 in Winter
R1.67 in Summer
The contribution to total R-value depends on installation and environmental conditions
* In stock. Next day delivery when order placed by 2PM day prior.