Trusted by kiwis for more than 20 years expol underfloor insulation is easy to install and is available in 4 convenient joist widths 560 470 410 360 mm.
Polystyrene under concrete floor insulation.
For exceptional strength and thermal insulation under concrete floors choose from expol s range of polystyrene eps and extruded polystyrene xps insulation boards.
Expol underfloor insulation expol r1 4 and r1 8 meet and exceed the new residential tenancies act requirements.
A separating layer is then required over the insulation layer to protect it from the concrete slab.
For self installers full installation instructions are provided on all bags.
Unitherm is made from unipoly a light weight moulded polystyrene material with exceptional thermal insulation properties.
It is the diy solution that will keep your home warm dry and healthy.
We are national suppliers of extruded expanded polystyrene surface bed insulation or below grade concrete floor insulation in johannesburg durban cape town east london port elizabeth export.
Then the chosen concrete floor insulation material i e.
For self installers full installation instructions are provided on all bags.
The closed cell structure of polystyrene delivers thermal insulation and water resistance that lasts the life of the building.
Extruded polystyrene xps is unique among widely available thermal insulation materials for its tolerance of damp or wet.
Performance where it counts expol eps and xps products won t degrade over time meaning thermal insulation performance is maintained for the life of the building.
Rigid insulation boards is installed between the sleepers close to one another so that there are no gaps in the insulation.
Due to its exceptional performance and ease of use expanded polystyrene eps is the perfect insulation for walls floors ceilings and under concrete slabs.
Moisture resitance and stable r value protects and insulates your concrete slab for a superior energy saving solution.
Finally you will need to add properly sized plywood.