Insulation Under Roof Tiles

Protects homes and buildings against radiant heat.

Insulation under roof tiles.

Thereby providing increased comfort to building. Heat rises and therefore the building regulations requirements for heat loss through roofs are more stringent than those for walls. Roof tile insulation is primarily used to protect your roof against the elements and reduce heat loss. The quest for greater energy efficiency in buildings has led to increasing interest and need for insulation improvements in hvac equipment more airtight construction new materials and assemblies.

When installed adjacent to an air cavity sisalation tile roof contributes to the overall total r value of a building. The materials used to insulate under the roof include batts of mineral or glass wool insulation held in place by battens of wood attached to and across the rafters alternatively polystyrene. The main decision to make when insulating a pitched roof is if you are going to have a warm roof or a cold roof. Provides compliance to bal bush fire ember attack requirements in accordance with as3959 by providing a secondary form of ember protection for the roof space roof sarking is mandatory under the building code of australia bca for all tiled residential roofs regardless of roof pitch with a rafter length greater than 6 metres.

Under roof tile spray foam insulation acts to add a barrier between the inside of your home and the harsher outside protecting your property and providing significant long term benefits. You can use batts polystyrene slabs expanded polystyrene or spray foam to insulate your roof or loft space. How to insulate a roof. How under roof tiles spray foam insulation works.

The foam is simply sprayed onto the underside of the roof tiles under felt or roof sheeting. A strong tear resistant pliable building membrane designed for use as sarking under concrete and terracotta tile roofs. Senior engineer manager at icynene john broniek makes the case for the unvented attic assembly and why insulating the underside of the roof makes sense. Tile stabilisation with spray foam.

The main difference between the two is the location of the insulation. You should leave the space under the roof tiles free from insulation to give adequate ventilation so that you don t get condensation or water coming through the tiles. Building regulations for insulating a roof. The limiting u value the maximise u value which cannot be exceeded required under current building regulations for the roof is 0 20w m.

This will depend on the construction on your roof and if it is a refurbishment whether the roof tiles are going to be removed.