Recent content by crownbuild

Hi. I would get a roofer to have a look if it does not clear up after the bleach. There is obviously a moisture source for mould to be growing. so could be the lack of ventilation as you mentioned or the tank, but on the otherhand a leak, or the bitumen felt maybe condensating.

Hi Steve You say the roof was tiled 30 years ago, so the roof will have Monarflex felt (plastic felt) or bitumen felt. It looks like the roof needs airflow, you could fit soffit vents, ridge vents, tile vents or extreme case, renew the roof and fit breathe able felt. Regards...

Hi. We install both systems and have been doing for years. Rubberbond is the superior product for larger commercial areas. For a domestic dwelling firestone will be perfectly fine if installed right. Try get a insurance backed guarantee which covers workmanship, usually 10 years, and not a...

Hi Jack We install rubber and fibreglass flat roofing systems. EPDM will be the most cost effective way to repair this for sure. But fibreglass will last longer. You will have to replace the board if you are renewing the roof. The EPDM adhesive will not adhere to the bitumen residues left...