15 m2 1. Liquid epoxy DPMs are ideal for concrete floors, such as garages, where the original damp proof membrane is missing or has broken down. If it’s solid wood you need a surface dpm. Allow this treatment to work and wash down to leave a clean surface. Discover how and why you should be. Sika Rapid DPM (Damp Proof Membrane) is a solvent free reaction curing resin for use on cement based substrates. No Hydro Liquid Applied Damp Proof Membrane DPM is a ready to use liquid applied damp proofing membrane free from bitumen. During construction a concrete floor was cast and plastering undertaken internally. Oldroyd Xs. –Liquid DPM on concrete floor. You can see a few more examples for damp proofing a concrete floor here. Limitation: Do not directly bond wooden flooring to Drybase® Liquid-Applied DPM coated concrete. Damp proof membrane paint is a liquid DPM that blocks the action of penetrating damp on floors, ceilings, and internal walls. Floors, Stairs and Lofts. Universal DPM allows immediate installation of moisture sensitive floor finishes onto damp concrete and screed. Sika SikaBond Rapid DPM Resin Liquid Primer 5 Litre. Suitable for damp proofing concrete floors, foundations and masonry walls below, at or above ground level; Can also be used to protect retaining wall structures; Apply cold with a brushes for a cost effective and low labour application; For use on floors, 1st coat covers 1m²/litre and 2nd coat covers 1. . You may need to apply a damp-proof epoxy coating to the concrete before laying a new floor. Damp Floor Epoxy Kit. Many damp-proof floor coatings are used directly on the concrete floor surface with a roller or brush. dazlight. Product benefits. DPMs can also be used to form. While it may seem unconventional to "paint" a concrete floor, it creates a highly durable and impenetrable barrier against moisture. A decent fitter will test the slab for you before fitting anyway. Water under tiles. Since 1991, Polycote have laid millions of square metres of epoxy floor paints and coatings in almost every environment throughout the UK. Can be easily applied by brush. Fixing it is very expensive and would need professionals to do it. Liquid dpm would do a job if you have a good clean floor and no existing damp issues. Overall, investing in a liquid damp proof membrane for your concrete floor is an excellent way to protect your investment and ensure your floors last for years to come. Choosing a damp proof membraneLiquid dpm on concrete floor with no dpm. Hardwearing – high abrasion resistance. The damp surveyor has identified the laminate flooring as a possible cause. In a case where the floor is wholly below ground level, as is the case in a basement, all walls should be tanked. It can also be lapped up walls to the DPC before the application of floor and wall coverings. 100% solids, high build coating. Description. Our Waterproof Blue can be used in showers, bathrooms, wet rooms, basements and other areas of your building that need to be protected from excessive. Developed to suppress residual construction moisture in cementitious subfloors including power floated concrete and sand/cement screeds. Vapour barriers. Preparation is the main thing for the layers, and the substrate should be dry and clean. Hydra Flex – Flexible Tanking Membrane. 3. I'm not 100% convinced they are asbestos tiles -. She has ground water under the garage that comes through the concrete. The DPM above concrete should be protected by either screed or a floor finish unless it is a material that can serve as floor finish. Drybase Liquid-Applied DPM is a single-component two-coat paintable damp-proof coating that is easily applied to substrates by brush, roller, or spray. OK stuck - Liquid DPM, concrete floor and a pipe. If the problem is moisture, lift the vinyl and allow the concrete to dry properly. T1000 Stampable OverlayFor use with resurfacing concrete floors and hardscapes. For instance, our garage floor paint kits. Drybase Black Liquid Damp Proof Membrane - 1L (0)The DPM may be above or below the concrete and continuous with DPC in walls and piers (See Figure 1). Jul 13, 2011. Larsen DPM Universal is a superior 2 pack epoxy surface applied liquid damp proof membrane that enables laying of flooring even where moisture levels are at their highest up to 98% RH. It, therefore, prevents moisture build-up beneath vinyl or other floor coverings. Drybase® Liquid-Applied DPM is suitable for use on solid floors, embedded timbers and floor-to-wall. 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. Browse damp-proof membrane products from Toolstation here. Looking lay a liquid dpm in the cellar floor followed by a self levelling compound as it uneven. This enables earlier access onto the floor for the application of screeds, coatings and other floor coverings including tiles, vinyl, wood and carpets. If this is the case then either a damp proof membrane sheet or a 2 part liquid damp proof membrane should be used over the concrete sub-floor. When laying a solid wood, Real Wood or laminate floor over a cement-based sub-floor, a paintable damp proof membrane should be used to prevent moisture penetrating from below. There should be a damp proof membrane under the concrete slab already, but it might be damaged if there is moisture on the slab. 5 Best Dpm For Concrete Floor In the UK Last Updated - 05/11/2023 Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer. How to Damp proof a floor and walls using synthaproof as a damp proof membrane is shown in this tutorial. DIYDave. may then be applied. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. 6. John Lewis are correct in being very very cautious re: damp, it is critical that the prep is spot on and damp levels sorted before any attempt is made to lay the Amtico. A liquid epoxy damp proof membrane (DPM) is a two-component epoxy resin membrane, specifically designed to be applied to damp floors to create a barrier between your floor and the layer below. 19. 21 May 2010. HydraDRY Tanking Slurry. Option 3 – Apply a liquid DPM. ARDEX DPM accommodates hygrometer readings up to 98% RH. Allows immediate installation of moisture sensitive floor finishes onto damp concrete and screed. :thumbsup. They also have excellent adhesion to saturated concrete even at lower temperatures making them ideal for tough winter conditions. Learn More . 1. 3mm per dried coat) This corresponds to approx 1. In the case of gluing the floor, a liquid damp proof membrane should be used in conjunction with a suitable adhesive. £. That means it’s a perfect paint on damp proofing. Wickes Quick Drying Drive Seal - 5L. Can be used as a damp proof membrane and as part of a designed structural waterproofing system. Our liquid waterproof membrane is a liquid DPM that makes your floors durable and water-resistant. I 've dug down and put 100mm of concrete down will liquid dpm to meet up with the existing dpm and 50mm screed ontop easy. Damp survey. The easy application is carried out in two coats with a brush or roller. e 0. This can only normally be guaranteed if its an new build or extension and most houses have been sold, inherited etc. £51. This water-based compound can be applied to damp concrete floor slabs, screeds and walls. Liquid epoxy DPM for existing concrete floors. The VPU-155 S is a versatile primer easy to apply by either trowel. 49 Inc Vat. liquid dpm and self levelling compound. The next step in calculating the design of a mezzanine floor is to determine the support posts and beams. If a DPM has failed or perhaps was never installed in the first place, the features. I am in the process of improving our kitchen. I removed the old carpet and realised there was damp patches on the tiled floor below, im believe there is no dpm membrane and quarry tiles were laid over lime morter bed, my contractors PVA'ed self levelled over the floor to try and stop it but the self. Before applying the damp proof paint, stir the contents of the bucket well. Can be used where a structural DPM is not present or is ineffective. Bostik Screedmaster Rapid DPM is a ready for use; one part, water-based damp proof membrane. Capital Valley Plastics Ltd Damp-Proof Membrane Black 1200ga 25m x 4m (47163) (55) compare. Most damp-proof floor coatings are applied directly to the concrete floor surface using a brush or roller. 3. With a consistency similar to that of thick emulsion paint, it's suitable for use on solid floors, embedded timbers and. Tax: £18. Liquid Epoxy Damp Proof Membrane - 5kg. A damp proof membrane, more commonly known as a DPM, is a material that prevents moisture from penetrating the internal walls and floors of a property. Sika Rapid DPM is intended for priming and sealing absorbent and non-absorbent subfloors, Also suitable for. 5. 00 Inc VAT. 5kg. 00 Ex VAT. Technoseal Damp Proof Paint is a ready to use, SBR based, liquid damp proof membrane (DPM) which provides a seamless barrier against water penetration, radon, gas. The only way to tell properly, is to carry out a proper test. A liquid DPM such as Bostik Cempolatex Moisture Suppressant must be applied in two coats. Our water-resistant epoxy DPMs are an affordable and easy way to create a damp proof membrane on concrete flooring and prevent rising damp. Thick, flexible coating resists movement and minor cracks. • reinforced cast in-situ concrete floors • suspended beam-and-block concrete floors • precast concrete slabs . £. 70 Ex VAT. I am looking for some advise about laying a SLC with a liquid DPM. The type of coating is chosen, depending on the usage of the floor. Chimney damp proof course (labour and scaffolding not included) £75 per roll. Drybase Black Liquid Damp Proof Membrane - 5L (0)The DPM may be above or below the concrete and continuous with DPC in walls and piers (See Figure 1). DPM Membranes for Concrete Floors . Cromaprufe Bitumen DPM is a cold applied rubberised bitumen emulsion and damp proof paint that dries to provide a tough, black flexible coating that provides a waterproof membrane on concrete and brick foundations, retaining walls and bridge abutments. 31. Visqueen EcoMembrane DPM. Dust, dirt, oil, grease and other contaminants should be completely removed. It might seem a bit unusual. 99 Inc Vat. I have a question about rising damp on quarry tiles ground floor in old building. Damp proof membrane for walls. Concrete ground floor. Form some haunching on the 50mm flat, to create slope. Then once the screed is dry use a liquid DPM such as F-Ball Stopgap F77. Say on quarry tiles or a rough surface screed/concrete floor ? They used to say 131 primer and then 200 acrylic. Our Liquid DPM can be used on walls under a render to create a flexible. Test scraping the floor it seems I can get all the ridges off quite easily, but inevitably, there will still be a bitumen stain on the concrete surface. Rolling out damp proof membrane across a floor to prevent damp. Mix. To be honest it’s worth having some sort of moisture suppressant put down just to make sure. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. Image courtesy of Lifestyle Floors Image courtesy of Lifestyle Floors. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. The DPM should: have sealed laps of at least 300mm wide. How to apply Damp Proof Paint. Screwfix Select. £3. In this case, it is preferable to fit insulation below the concrete slab, where it helps the concrete absorb heat. A surface DPM, which bonds to the surface of the concrete, minimises moisture vapour transmission. 16 Nov 2016. ft. Floor under carpet marked with chalk for wet areas. An ARDEX liquid Damp Proof Membrane will protect the floorcovering installation from residual construction moisture and rising damp, where the highest measurable moisture readings are present (up to 98% RH). Hi Pete, I have the answer. Drybase Liquid-Applied DPM is water-based. The spacing between support posts and beams should not exceed 4 feet. This should be applied in a minimum of two coats (i. It can cost over £90 per m². Drybase Black Liquid Damp Proof Membrane - 5L (0) £55 . I have a friend who has a concrete floor in her garage. • Protects walls and floors from water ingress and dampness. DynamiteMatt; 17 Dec 2013; Floors, Stairs and Lofts; Replies 1 Views 1K. 00. Getting someone to do a damp test to find out the relative humidity RH% of. Damp proofing is typically achieved through a coating that is either sprayed on or rolled onto the outside of the wall. Drybase Liquid DPM is recommended for use on concrete, masonry and embedded timbers in above-ground applications. Thread starter rifraf74; Start date 22 Feb 2007; R. NDC 1000 Gauge Black Damp Proof Membrane - 4 X 3m. Laying a DPM over the floor slab (not sure on the integrity of the one below the slab so just in case. Withstands 98% RH. This prevents moisture from the screed attacking the wood flooring and ultimately ruining it. £300. Our easy to install range is available in various thicknesses up to 0. co. Primer to the surface and allow to cure. The Resin Flooring Association (FeRFA) guidelines stipulate that a DPM will be required if there is more than 4 grams of water per cubic centimetre passing through the substrate in a day. Drybase Liquid-Applied DPM is a single-pack barrier coating for above ground use. Liquid DPM 5L. F Ball DPM F77Be careful as some of those types of tiles contain asbestos. Would a liquid dpm work,in past I had similar problem, I've just poured some liquid dpm in to the hole & help it with a trowel to find it's way under the concrete,seem to work as I never had damp issue when I moved indoor stop cock to new position at previous place & here when I laid new pipe under utilty floor after clay pipe failed, 10 years on, not. 3mm per dried coat) This corresponds to approx 1. Wait until the first coat of liquid DPM is touch-dry - approximately 15 to 30 minutes at 20°C – before applying the second coat at right angles to the. 12 Inc VAT. How to install damp proof membrane on concrete floor. 2 coats SBR. I'm not 100% convinced they are asbestos tiles - but I best err on the side of caution. 4. High performance, over-banding sealing tape system for postsealing and waterproofing of construction. Prevent moisture penetration with a damp proof membrane that can be painted under your solid wood, real wood and laminate floors. Not to say I wont but I have laid plenty of floors with no DPM an even in my old house which I screeded with screedmaster 2 and laid van gogh, I rent it. g. € 80. Whilst scraping them I noticed a bitumen Smell and residue. 00. Our epoxy DPM products create a new damp proof membrane in a highly. Broom Overlay Mix 6000 PSIAdd water and mix - Grey or white. DPM Primer is a system for substrates that have a residual moisture level greater than 75% RH. I think this is too expensive, so got a quote of another supplier of £2565 plus any potential floor preparation, with latex screen costing £13 /sqm or a feather finish at £2. Product is solvent-free, so odourless and taint free, making it ideal for all internal applications. 00 Ex VAT. DPM Membranes for Concrete Floors ; Damp Proof Course; Damp Proof Paint; Rising Damp Treatment; Water Repellents; Vapour Control Layers; Internal Waterproofing;. Epoxy Damp Proof Membrane Epoxy damp proof membrane is a coating that suppresses residual moisture in cement and concrete floors to speed up the process of installing floor coverings. Using pin m/m's on a concrete or s&c screed floor needs experience - more important is what is the composition of the slab or the in-situ screed and if there is an actual DPM below the floor. #1. Damp proof membrane paint is a liquid DPM that blocks the action of penetrating damp on floors, ceilings, and internal walls. Suitable for extensions, basements and cellars. If there was no dpm I would suggest a uniformal distribution across the whole floor. Damp proof membranes (DPMs) can be used to help resolve damp issues which already exist or to avoid damp or moisture problems in. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. take account of possible differential. Dampproofing is intended to keep out soil moisture while waterproofing keeps out both moisture and liquid water. Virtually solvent free liquid epoxy resin damp-proofer. The current pipes to it will be diverted to another drain to the left of the photo. The concrete slab I poured for my utility room extension is slightly uneven - a small dip into the centre. More than two applications are needed for the best results. Drybase BBA Tanking Slurry - 25kg. £1. • Weatherproof protection for walls, above-ground structures and foundations. If there is no dpm above the concrete floor a vapour control layer, such as polyethylene, should be placed between the. • 5L tin offers coverage of approximately 6. Due to the Breast wall settlement we pulled up the boards in the living room to use self levelling. Renders and Cured for min. 3. When we stick any floor down to the sub floor, solid or engineered, we insist on installing a liquid DPM unless the existing is guaranteed to be 100% in tact. Dry Floor: If your floor has RH readings below 75%, we recommend the use of ARDEX P 51 Primer. Resin Floor Coatings UK (RFC UK) offer floor and wall coatings, screeds, resin floor paints, primers, repair and cleaning products to the home and commercial markets. Sikabond Rapid DPM is a solvent free reaction curing resin primer and damp-proof membrane for cement based substrates. Say on quarry tiles or a rough surface screed/concrete floor ? They used to say 131 primer and then 200 acrylic. £30. Suitable for heated concrete and sand cement screeds (provided the surface temperature does not exceed 27°C in. The report says there is no DPM. Withstands reverse hydrostatic pressure to 4. These can over time allow a build up. Capital Valley Plastics Ltd Damp-Proof Course Black 30m x 225mm (85921) (28) compare. SBR diluted mix over bitumen, 2 coats, follow instructions on tub, likely 1-4 ratio with water, 1st coat front to back, 2nd coat side to side (if that makes sense) Wickes sell a 1tr SBR whereas usually only available as a 5lt. RonaScreed DPM is a liquid applied surface damp proof membrane designed to reduce the passage of water vapour and allow the adhesion of thin bonded and fast drying screeds to concrete which is either not fully dry or does not have a functioning DPM. No need for a separate primer. Thanks for the response. Waterproof Blue Liquid DPM. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. You run the risk of having a failed concrete floor and a failed floor-covering when you try to force nature 100% solids, high build coating. Up to 10 years warranty on selected items. Damp proof for concrete floor. Prepare substrate. T1000 Stampable OverlayFor use with resurfacing concrete floors and hardscapes. Suitable with underfloor heating. £. £6. We have purchased a 4 bed detached house built in the 1950's. The bitumen is less than a millimetre thick - painted on by all accounts. During the construction process, a damp proof membrane will be laid over a layer of sand, before insulation is. Floor under carpet marked with chalk for wet areas. of the floor. Dampproofing is intended to keep out soil moisture while waterproofing keeps out both moisture and liquid water. I am the Managing Director of the Multi-Award Winning Speed Screed. KIAB Super Member. Where oil and grease are present it should be treated with a degreasing agent several times to ensure it has been fully lifted. Holds back rising damp where a damp proof membrane is either missing or defective. DAMP PROOF MEMBRANE A DPM is a continuous and impervious membrane applied above or below ground floor slabs to prevent water ingress into a structure. I am assuming its asphalt with a bitumen top layer, 10-15mm thick. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. £7. Sika Code 175129. 33. T ·Öà 4. 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. Use 1000 gauge or thicker – ideal for this is the polyethylene use for the DPM under your concrete subfloor. This includes selecting the material and thickness of the beams and posts, as well as their spacing. Step-by-step guide for how to apply liquid DPM for concrete floors. Property is mid 1960s, solid ground floor. Use on concrete floors as an alternative to polythene. 00 € 60. Rapid Set Skim CoatRepairs, levels, and smooths concrete for applications. MPN SKBDRAPDPM5. This should be laid on top of the insulation board. A damp proof membrane creates a barrier to prevent moisture from rising and damaging or affecting an area. Temperature, air flow and type of mix, being just a few. Property is mid 1960s, solid ground floor. Basement Tanking. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete. Protect your walls and floors from water damage with the Bostik Aquaprufe damp proofer and waterproofer. For application onto concrete and cement based substrates; Suppresses the passage of residual construction moisture up to 98% RH when full coverage is achieved ; Capable of. I would think a strip out and start again would be your best option, you should consider where/why there is water evident before. 70 Ex VAT. Would slurry under vinyl floor covering work the same as liquid DPM? glob@l, May 17, 2019 #1. £41. If you have that problem, I don't think a damp-proof membrane on top of the concrete will help. richel7; 17 May 2010; Floors, Stairs and Lofts; Replies 6 Views 20K. #1. link with wall DPCs to form an impervious barrier to prevent moisture reaching the interior of the dwelling. A few months have passed since then and is now on average 2. How To Install Damp Proof Membrane on Concrete Floors. If you have that problem, I don't think a damp-proof membrane on top of the concrete will help. Damp proofing concrete floors isn't terribly difficult, although it can be time-consuming and confusing. I need it for another job so would this work the same as DPM on a small concrete floor under vinyl? glob@l, May 17, 2019 #3. P. £750 - £3,000. For this solution, you are essentially painting the floor of the basement. if the lower blocks are concrete then you can use Dryrod Damp-Proofing Rods from Safeguard which will separate the lower blocks from the above creating the. The epoxy DPM comes as a two-component system. It is ideal for use on damp floors and walls. This can be due to: Moisture rising through the concrete. From the mid 1960s to the mid 1990s a typical concrete floor comprised a layer of hardcore, a polythene damp proof membrane laid on a thin bed of sand (to prevent puncturing), and a floor screed. 10cm squared) and tape it to the floor. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. Self-leveling concrete can be used as an underlayment for tile, carpet, or other floor coverings. A damp proof membrane (DPM) is used to create a barrier between a concrete (or screed) subfloor and the floor covering that is laid on top such as wood, ceramic or quartz tiles, laminate or carpet. The vinyl being laid before the concrete has dried out. 00. Drybase Liquid-Applied DPM is water-based. If I put a damp proof membrane down first, like a paintable one like Wickes paintable bitumen or Drybase Dpm in white, would products like this work under self levelling compound?Wickes Bitumen Damp Proof Membrane Liquid - 25L (71) £80. It can also be used as an adhesive for the likes of wood block flooring and insulation boards, or as a plaster bonding agent – even on difficult surfaces. Hi there. Buildings have been dampproofed for years, a practice that used to be. Whoever. Step-by-step guide for how to apply liquid DPM for concrete floors. i try to keep up on new products and a company called ardex uk make a latex based levelling compound called (arditex na)that goes straight over bitumen to seal it. 1200 Gauge DPMs should be used when a floor is direct to the ground. weberfloor DPM can be applied on substrates such as concrete and cement-based levelling compounds. It is low odour, solvent free, and most importantly deals with constant low levels of moisture in concrete floors. I'm looking for opinions on the best self leveling screed to use on my slightly wonky concrete garage floor. 45sqm to supply and fit. It can also be used as an adhesive for the likes of wood block flooring and insulation boards, or as a plaster bonding agent – even on difficult surfaces. Fierce Protection For Damp Floors. Drybase White Liquid Damp Proof Membrane - 5L (0) £55 . The vinyl being laid before the concrete has dried out. A reading greater than 2. Our product range covers Damp Proofing Concrete Floor Paint. 4M X 5M 500G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. 1, your new concrete will need drying time, approx 1 month for every inch, then a DPM is required. 1. A damp proof membrane, more commonly known as a DPM, is a material that prevents moisture from penetrating the internal walls and floors of a property. I have attached a photo after removal. An advanced, ready-to-use, chemical damp proofing formula which forms an effective. Thin Micro-ToppingProduces durable surface to color or stain. 99. Step-by-step guide for how to apply liquid DPM for concrete floors. The whole floor is concrete and has a section about an inch deep where the fireplace used to be. Liquid Damp-Proofing Systems. 30811761. Which type of coating is chosen will depend on the intended use of the floor. Call us on 302 244 0179 or submit an enquiry for contact information of contractors in your area. ft. An MVS, is a moisture vapour suppressant that is used on floors, usually concrete or cement-based screeds with up to 95% RH. Will a self levelling screed compound stick to a Bitument liquid DPM? Hello, I have a steel frame 1920s' bungalow with a concrete raft foundation floor and no DPM. Screeds and toppings should be specified only where placing and finishing the concrete floor to acceptable standards is impracticable. It is true that a 100mm concrete screed will take around three and a half months to dry out (1mm per day) depending on time of year, whether a dpm or insulation was laid underneath etc, so it's a guesstimate !! In our game, dry actually means moisture levels are less than 75% so your concrete floor is only 25% dry and will release moisture for. 16. Part of this improvement was to remove a wall to open the kitchen up into the adjacent room. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. advise that you apply one coat of DPM. Hi I have just put a Liquid Damp Proof Membrane (A rubberised bitumen based emulsion that provides a flexible and resistant barrier from Wickes) over a concrete floor but now i'm not sure if I can tile over it. You are essentially painting a concrete floor, after all! But it is an effective way to do it. This Epoxy DPM is a two-component, solvent free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. Quarry tiles are installed on the solid concrete slab which is a good. Drybase Liquid-Applied DPM is a single-pack barrier coating that is supplied ready to use. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. Country. £36. Lay the damp proof membrane (DPM) (normally 1200g polythene sheet/300g micron or a radon barrier if specified),If you have a concrete slab below the level of the dpc in the wall, if you raise it over the dpc you will bridge the dpc in the wall, so allowing damp to get into the wall. A very hard surface that is impervious to moisture is produced once the liquid membrane has been put into the concrete and has dried. It had lino down, which I lifted up last night and it was very damp and a bit mouldy underneath. I will also be putting down a damp proof membrane under the underlay so I don't get the problem again. Robust - resistant to on site damage. Provides a flexible and resilient barrier to penetrating damp on walls and floors. 99. Sikalastic®-800 HA is a two component, solvent free, highly elastic, virtually odourless polyurea based waterproofing membrane. Effectively, a damp proof membrane (DPM) is used to create a barrier between a concrete (or screed) subfloor and a wood floor. I have bought a 1950s house. DPMs come in solid or liquid form, the latter being a practicable solution for a garage conversion. Browse damp-proof membrane products from Toolstation here. By choosing the right product for your application and following the manufacturer’s instructions carefully, you can enjoy peace of mind knowing that your concrete floors will. A liquid-applied damp-proof membrane (DPM) is a simple and effective solution for damp-proofing a concrete floor. When using as a liquid DPM make sure the substrate is load-bearing, and that any laitance is removed mechanically (common on new concrete floors/screeds). Add to basket. DPM Membranes for Concrete Floors ; Damp Proof Course; Damp Proof Paint; Rising Damp Treatment; Water Repellents; Vapour Control Layers; Internal Waterproofing;. Liquid screed. Drybase® Liquid-Applied DPM Is suitable for use on solid floors, embedded timbers and walls. SikaBond® Rapid DPM Solvent Free Resin Primer and Damp Proof Membrane for Cement Based Substrates PRODUCT DESCRIPTION SikaBond® Rapid DPM is a single part moisture curing polyurethane. thick. Ideal for floors with damp or rising damp problems. wet coating. Moisture-sensitive floorings including timber-based flooring panels (particularly those of chipboard) can be seriously disrupted or damaged by water vapour arising from moisture within the floor construction. 83 – £ 178. Also there is less likely to damage the components of the floor makeup at this stage over placing them at foundation stage with regular concrete.