- Can be used as a wall underlay on timber framed buildings with absorbent and non-absorbent PVC wall cladding direct fixed to framing
- Can be used as a wall underlay on timber buildings with absorbent and non-absorbent wall cladding installed over an 18mm minimum drained cavity
- Is suitable for use in NZS3604 Building Wind Zones up to (and including) ‘Very High’ when used as a standalone flexible wall underlay, and ‘Extra High’ when used as a flexible underlay over a rigid wall underlay
Thermakraft 220 is a fire retardant, absorbent, breathable wall underlay. It is a white non-woven polypropylene, for use on timber framing behind exterior wall cladding. Thermakraft 220 offers a high degree of water vapour permeability.
