Here are just some of the considerations your roofers make when it comes to getting the best and most effective result from roof sarking.
Retrofitting sarking under metal roof.
It is light and easy to work with and you can fit it to roof battens between rafters or trusses.
Since sarking sits directly underneath your roof it s impossible to retrofit sarking without tearing off your current roof.
If some are damaged replace them with new ones after putting the tiles back.
The use of anticon roofing blanket or vapour permeable sarking directly under the roof sheet is recommended to reduce this risk.
Remove the ridge capping to easily get rid of roof tiles and clips.
If you re just changing them.
Unfasten all the roof clips that hold the roof tiles down.
This video answer the question what is sarking.
You may use a staple or nail gun to fasten them with the rafters.
There is a product called foil board it is 10 mm polystyrene with reflective foil adhered both sides.
Sarking is pliable laminated membrane well that s how bradford describes anyway.
Then proceed with the following.
Lay the sarking sheets on the roof cavity with care and precision.
What is roof sarking.
Cavity which can allow the metal roof sheet temperature to drop below dew point increasing the risk of condensation formation.
To do this you will have to remove the capping on the ridges.
Unfasten all clips that take hold of the roof tiles.
You can t retrofit sarking without lifting roof sheets but there is a solution.
Sarking is a pliable membrane that sits under your roof like a protective second skin.
Dismantle all roof battens to enable you to install sarking beneath them.
Now you can lay the sarking sheets.
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.