Roof Sarking Membrane

Roof sarking is a membrane that is fitted during tile or metal roof construction.

Roof sarking membrane.

It is fitted under the battens and made from a variety of materials such as felt foil or polystyrene. The laminated membrane has an aluminium top layer which has plastic and sometimes fibre glass reinforcement. Insulation which should sit either between and under or between and over the rafters to get the required u value. Roof sarking installation is the process of positioning a flexible laminated membrane under your roof before installing the roofing material.

The flexible membrane is usually installed under the battens to provide thermal insulation and to prevent water and dust penetration in the roof space. Roof sarking will protect the frame of your house from the weather during construction. Roof sarking is a pliable laminated membrane that is positioned under your roof during installation by the builder and is rolled out in sections either parallel or perpendicular to the eaves with an overlap between each layer. Sarking boards placed with a 2 3 mm gap in between each one.

In australia foil is the most common product used for sarking. Roof sarking is an thin insulating membrane that helps protect the roof space from water and dust. From the bottom up. A breathable membrane such as kingpan nilvent which eliminates the need for roof ventilation.