Damp proof membrane "The DPM must be continuous with the DPC in the surrounding walls." Air gap or damp proof membrane lining. The new wall had screws put into the old foundation of the original wall. Groundwater should be tested for any type of sulphate that can contaminate the base flooring and if so, the membrane should be placed under the slab. The current recommendations for an effective damp proof membrane are that the ground should be constructed using screed with the damp proof membrane laid either on top or below that layer. Discussion in 'Builders' Talk' started by Boca2, Apr 5, 2019. Membrane Fixing Plugs and Seals ensure a secure and rapid fixing of the membrane sheet to the wall and stops water and damp seeping through, even when used below ground level. However, typically these are often fairly thin and are sometimes damaged even before they are laid. Damp proofing is an essential aspect of all construction projects, which is designed to prevent the ingress of moisture into interior spaces, in both commercial and domestic settings. This is because damp rising up through concrete floors is a pretty common issue. Damp Proofing Membrane Fixings are typically used to secure membranes to the wall / substrate. - to prevent damp from working its way into the insulation. The three main methods are; Board on Battens Over Walls Surface – Directly nailed or screwed to brickwork, stone, block or render – likely to decay on old, damp salty masonry, and at risk from Dry and Wet rots unless efficiently treated and ventilated. Our Membrane Fixing Plugs are available with or without seals depending on your waterproofing requirements and membrane type. Damp in a building can be costly to put right so proper prevention is key. Damp Proof Course has a hole - how to repair? Is it worth biting the bullet ( and cost) and using a dpm anyway ? These plugs will also accept screws in the back (size 10 screw) to facilitate timber battens, aluminium framing systems etc. Damp-proof membrane under self-levelling compound. Where insulation is concerned, fitting a damp-proof membrane is important, as it safeguards the insulating properties of the material. A damp proofing concrete floor solution is particularly important. ... (through sole, damp-proof and floor) squirt some mastic into holes, then insert frame-fixings. Would a injectable DPC just into those two holes work, or would this be just wasting time and money? The main water supply to the house comes through front door way, up the hallway into kitchen and is watertight. Lining Damp and Cold Walls – Choice of Methods. Thanks . Specifically designed to fix plastic cavity drainage membrane such as our Plastofol Waterproof Cavity Membrane to concrete, stone and brick. My house was built 1950. Tony Simon. Is the damp strip likely to be self-sealing around the screws, or should a sealant be put in around the screws before tightening up ? RUK Damp Proof Membrane Fixing Plugs with seals - box of 200. Damp proof membranes are routinely used during the construction of a concrete floor. 0. Hi, ... effectivley the slc acts a dpm BUT if it laid >1" it can crack and allow damp through. Damp Proof Membrane Plugs & Fixings (FULL RANGE): Platinum Chemicals offer a wide range of high quality Plugs & Fixings Products for use with our full range Damp Proofing Membranes. I have damp coming up around the edges in some rooms kitchen, lounge and all along a newly built internal partition stud wall. Damp rising through concrete floor slabs is fairly common, causing damp issues on carpets and floor coverings, warping wooden floors and increasing the likelihood of low-level mould growth. Membrane Application Guide. ... but that seems to be for houses with rising damp. Boca2 New Member. This is a small problem isolated to just around this fence fixing. A damp-proof membrane is required when using certain insulation materials – such as mineral wool, cellulose, etc.