Ads
related to: damp patches on external walls of home office
Search results
Results From The WOW.Com Content Network
Rising damp is the effect of water rising from the ground into property. [3] The damp proof course may be horizontal or vertical. [4] A DPC layer is usually laid below all masonry walls, regardless if the wall is a load bearing wall or a partition wall. A damp-proof membrane (DPM) is a membrane material
Plaster removed from a wall as part of a rising damp treatment. The wall was replastered using a sand-cement render. BS6576:2005 [61] states that "the function of the new plaster is to prevent hygroscopic salts that might be present in the wall from migrating through to its surface, while still allowing the wall to dry."
Vapor retarder paints (for the air-tight drywall system, for retrofits where finished walls and ceilings will not be replaced, or for dry basements: can break down over time due to being chemically based). Extruded polystyrene or foil-faced foam board insulation. Exterior grade plywood, 0.70 US perm (40 SI perm).
Masonry walls are built with a damp-proof course to prevent rising damp, and the concrete in foundations needs to be damp-proofed or waterproofed with a liquid coating, basement waterproofing membrane (even under the concrete slab floor where polyethylene sheeting is commonly used), or an additive to the concrete.
Incorrectly installed cavity wall insulation (CWI) causes water to seep into a property's walls, causing structural problems and damp patches that may also manifest into mould. In some cases, the damp and mould resulting from CWI can cause health problems or exacerbate existing conditions, particularly respiratory conditions.
Patches, singed but alive, was found the following morning by a photographer who was surveying the wreckage. Benton said Patches has been very happy to see his old pal, Moon Bear.
Penetrating damp is visible as a darker patch on the plaster lining of the inner wall, usually starting at floor level on the ground floor and rising up from there, hence the term 'rising damp'. In extreme cases, salt leached out of the wall forms crystals on the surface of the plaster as the water evaporates. The appearance of rising damp in a ...
The purpose of a Vertical Damp Proof Barrier is to prevent the ingress of damp and water into subterranean structures such as basements, cellars, tunnels and earth shielded buildings. (Also known as Earth sheltered buildings ).