The following preventative techniques are proposed to extend the life of the materials. In each case, evaluate how the technique accomplishes this – would it be successful or not? You may have to...

The following preventative techniques are proposed to extend the life of the materials. In each case, evaluate how the technique accomplishes this – would it be successful or not? You may have to undertake some research on each treatment.

a) Chemical preservative pressure treatment to softwood timber

b) Class B engineering brickwork below dampproof course

c) Colour-fast upvc cladding