![]() ![]() Plastic anchors are a friction fit, so they have to be snug in the penetration made, however, additional dust may either cause them to break, or not fit properly. Once the hole has been drilled, then ream out the hole to ensure there is no residual dust that might block the fixing. Make sure you are using the correct size masonry bit to start with. Plastic anchors are a straightforward mechanical fixing that is easy to get wrong. ![]() If there is any evidence of mold, a light bleach solution should stop it in its tracks. Use a soft brush to clean off any loose dust, cobwebs etc, from the face of the concrete and then use a concrete cleaner to finish off. Repair any dents and remove any excess mortar to ensure a flat surface for the insulation board to butt up against. Remove all redundant fixings, nails, screws, pipe, and electrical brackets. However, horizontal cracks or long cracks running from the corner of the building, should be checked by a structural engineer before you cover it up with foam boards. Minor shrinkage or crazing (when water in the concrete evaporates too quickly), and small vertical cracks are not normally a problem. ![]() Make a survey of the foundations and concrete walls. Make a survey of any plumbing in your basement or crawl space and ensure it is all properly maintained and in good order. The first thing to check is whether there is any water ingress. Whatever system you choose for your foam board insulation install, the key thing is to ensure that the concrete walls are properly prepared and ready to receive the boards.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |