Hi guys i did a bed room 2 weeks ago, customer asked me to block up a vent that has a air brick on the out side so i filled it full of hardening plaster then skimmed like normal.
He just emailed me and said its still dark brown and has got white powder bits round it, sound like its mold to me...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.