Retrofitting Sarking Under Metal Roof

Remove the ridge capping to easily get rid of roof tiles and clips.

Retrofitting sarking under metal roof.

Sarking is pliable laminated membrane well that s how bradford describes anyway. Dismantle all roof battens to enable you to install sarking beneath them. If you re just changing them. There is a product called foil board it is 10 mm polystyrene with reflective foil adhered both sides.

To do this you will have to remove the capping on the ridges. Since sarking sits directly underneath your roof it s impossible to retrofit sarking without tearing off your current roof. It is light and easy to work with and you can fit it to roof battens between rafters or trusses. You can t retrofit sarking without lifting roof sheets but there is a solution.

You also could install a corrugated through fastened metal roofing product and probably not have issues. Cavity which can allow the metal roof sheet temperature to drop below dew point increasing the risk of condensation formation. If some are damaged replace them with new ones after putting the tiles back. Here are just some of the considerations your roofers make when it comes to getting the best and most effective result from roof sarking.

Unfasten all clips that take hold of the roof tiles. If your home s existing shingles are pretty curled you could install a textured metal roof such as a metal shingle shake or tile directly over the curled shingles along with underlayment. Unfasten all the roof clips that hold the roof tiles down. Now you can lay the sarking sheets.

What is roof sarking. Lay the sarking sheets on the roof cavity with care and precision. You may use a staple or nail gun to fasten them with the rafters. The use of anticon roofing blanket or vapour permeable sarking directly under the roof sheet is recommended to reduce this risk.

Sarking is a pliable membrane that sits under your roof like a protective second skin. This video answer the question what is sarking.