White Mould On Roof Felt

Typical roof mould damp cold timber condensation mold growth.

White mould on roof felt.

White stains on building roofs. White mold is lesser known but still an incredibly dangerous species of mold to deal with. I ll assume you mean condensation on the underside of the roofing felt which means there is moist air in the loft space otherwise there could be no condensation this needs to be vented. This article describes the causes cures for white stains or white deposits on building roofs.

If you re ever unsure of what type you have calling in certified professionals to perform mold testing services immediately is important. Mould white blue or black spots on timber lining felt masonry. We describe common causes of white blotches or staining on roofs of different materials. Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe.

Widespread white mould in loft. Discussion in floors stairs and lofts started by sarah123 13 feb 2014. Asphalt shingle wood shakes or shingles stone roofs slate roofs. The mould growth we can see in the picture below was caused by over insulating the roof void and as a result creating a lack of ventilation in the roof space.

Note the roofing felt many old roofs are upgraded by installing roof lining felt this. Is it dangerous how to remove it. With that said we ve learned quite a bit about white mold in our many years of mold inspection and removal.