I want to paint the inside of my fireplace mat black. However, none of the spray paints I find in the DIY shop say that they're suitable for masonry and the inside of my fireplace is bare brick. What should I use? Might the stuff for cars be OK?
I've got leaky sectional concrete guttering at the back of my house - in all the bad weather we've had lately, damp is starting to penetrate around the window and is causing internal plaster to bubble and crumble. I'm sure what I should really do is get the gutter lined but this will be really...