lovemerender

I’m considering replacing my post-war house’s bituminous sarking with Ametalin Silversark HD. The bituminous sarking is very brittle and has failed in a number of places. The existing battens are 20 x 30 hardwood, generally in good condition and can handle an 800 Newton mid-span point load between the rafters (that’s me testing at ground level with my body weight). Is there any reason or obligation to replace the battens with new? The work will be done in sections and I want to...