Browse Forums General Discussion dpc 10Aug 11, 2008 9:23 am a damp proof course does not have to use a plastic membrane which DOES weaken or even break the bond. The DPC plastic roll is mainly used on brick veneer where the wall is attached to a frame. Another method of creating a DPC is using a mortar additive with silicone or the like. That said retaining walls usually require a damp-proofing at the rear of the wall known as tanking or parging. This is usually a bitumenous paint applied to the back of the wall. Depending on the situation you will have to relieve the hydrostatic pressure behind the wall by means of drainage for the water. This is done through the use of an aggie drain connected to stormwater or by using weep holes in the brickwork. Or of course you could employ the services of a bricklayer... who knows what they are doing. No offense intended. Have look at your house plans and you will probably find that brick articulation joint has been missed. Maximum allowable spacing is 6M or 5.5M for a wall with window… 17 20577 Hi all Am new to this forum. I want to get some ideas/info about how to manage an 80 year old factory restoration to convert to a residence. The factory floor is concrete… 0 6341 3 10197 |