Is Sarking Required Under Metal Roof

For flame zone fz areas sarking is still required but additional precautions must be taken and the bradford bushfire roofing systems design guide should be consulted.

Is sarking required under metal roof.

It s the layer that sits between your roof itself and the ceiling. The importance of sarking. Find out which product is right for your home. Like a protective second skin.

Reflective foil commonly referred to as sarking. Roof sarking is a pliable laminated membrane containing an aluminium foil lining that s positioned under both metal and tile roofs. The flexible membrane is usually installed under the battens to provide thermal insulation and to prevent water and dust penetration in the roof space. Sarking under metal roofs can improve thermal performance in warmer climates.

Roof sarking is a membrane that is fitted during tile or metal roof construction. Sarking under residential metal roofs is popular because of the many benefits it delivers for little additional cost whether it s as reflective thermal insulation a protective second skin against burning embers in a bushfire area or as a way to control condensation csr bradford has a product solution to suit your application. Sarking under metal roofs. Sarking is a vital part of your home s insulation system.

Sarking is a pliable membrane that sits under your roof like a protective second skin. If your home is required to comply to a bal 12 5 to bal 40 area classification incorporation of sarking with a flammability rating 5 is mandatory. The use of anticon roofing blanket or vapour permeable sarking directly under the roof sheet is recommended to reduce this risk. Reflective foil laminates which are commonly used to provide heat insulation under roof sheeting can serve a dual function as a vapour barrier simply by thoroughly sealing the foil overlaps with moisture impervious adhesive tapes.

It is installed when a house is built during home extensions or if you re renovating your home or restoring your roof. In bushfire prone areas flying embers cannot enter this space through the roof due to sarking protection.