Application > Roof - Above rafter insulation
Roof - Above Rafter insulation
Natural wood fibre sheathing & sarking insulation boards, such as the Steico Universal board, are installed over the roof rafters / trusses to provide an insulating and water protective layer against the elements.
Immediate weathering protection – up to 12 weeks
Hydrophobic - repels water (acts as a sarking board)
Excellent insulating properties reducing thermal bridging in the roof elements
Vapour open allowing trapped moisture within the roof component to escape
Excellent soundproofing qualities
Tongue & Groove on all 4 sides preventing unwanted air drafts
Prevents dust blowing into the building envelope
Provides structural strength to the roofing element
Good fire resistant qualities
Easy to cut & install
Save $ on a duplicate membrane...
Installation process is easy
Check out this video of a rigid insulation board being installed over rafters
Installed on pitched roofs.
The natural woodfibre boards can be installed on any pitched roof.
No additional waterproof measures are necessary for pitches over 18 degrees.
Installed on flat roofs
Boards with a straight edge profile are available with thicknesses of 20mm to 240mm.
Water repellent boards
The wood fibre insulation boards are hydrophobic meaning they repel water.
Boards can be left unfinished for several months allowing you to get your house secured from the elements