Insulating A Skillion Roof

New buildings and retrofits of existing ceilings.

Insulating a skillion roof.

Narrow roof spaces like skillion roofs are often the most difficult part of a building to insulate. Retrofitting insulation into a skillion roof has some challenges and it depends on the type of skillion roof you have. A roof is like a hat. Expol polystyrene roof insulation is made from high performance expanded polystyrene eps and are easy to install in narrow skillion roof spaces.

Check with your local building information centre. A cathedral or barn style roof has open rafters which form the ceiling and offer the potential for adding loft space. Pink batts skillion roof is designed to be used in skillion roof constructions while still achieving the minimum 25mm clearance between the roof underlay and insulation in. A good time to insulate walls is during recladding or replastering.

A gable roof could have an insulated attic or extra usable space. An alternative way to insulate a skillion roof is to install a foam backed sheet material over the existing interior lining. Walls and skillion roofs are the hardest to insulate after construction as the internal or external lining must be removed. To solve the problem architects and builders turn to expol s rigid foam insulation boards for easy installation and the highest standard of thermal.

How you insulate your roof space depends on how you wish to use the roof space. Modern lean to style extensions on existing homes low profile roof design and restricted roof cavities. The amount of insulation able to be installed is dependent on the rafter depth as there must be a 25 mm gap between the insulation and the underside of the flexible roof underlay. In skillion roofs the roof cladding and ceiling run parallel typically within 300 mm of each other.

Insulating narrow roof spaces is easy with expol s range of ceiling insulation boards. Specialised products are available to insulate existing walls. Skillion roof insulation from earthwool glasswool 50 year warranty branz appraised no added formaldehyde ecose technology.