It is available in black or white with a consistency similar to that of thick emulsion paint. This liquid damp proof membrane is ideal for concrete floors, basements, walls, tiling, water storage, and silage storage. Epoxy resin damp-proof membrane . ARDEX DPM accommodates hygrometer readings up to 98% RH. 60 Ex VAT. Virtually solvent free liquid epoxy resin damp-proofer. DPM Floor Membrane above Concrete. Now you are ready to lay the damp-proof membrane. 45sqm to supply and fit. 1. This can include timber floors, tiles, laminate flooring and carpet. Drybase Liquid-Applied DPM is water-based. Concrete floors are arguably one of the most common subfloors today. The damp surveyor has identified the laminate flooring as a possible cause. There is no damp proofing at all and the floor was a bit damp. I'm not 100% convinced they are asbestos tiles -. I have attached a photo after removal. ft. During construction a concrete floor was cast and plastering undertaken internally. Suitable as a damp proof membrane on solid concrete floors. £. 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. If you are using full contact adhesive to stick down your new wooden floor, a broadcasting of Kiln dried sand as you apply the 3rd coat of the Liquid DPM, will act as a superb adhesion promoter, if for example you use Lecol 5500 adhesive or Sika. Due to the Breast wall settlement we pulled up the boards in the living room to use self levelling. Small hole dug through 2" soft sandy concrete to reveal hardcore and soil. Waterproof. !! 2 Coats is good - 3 is better still. e. Resistant to frost and salt attack. 5 m²/litre Liquid epoxy DPM is often used as a remedial solution for existing concrete floors, as it creates an impermeable layer that keeps water in the concrete slab. 3 CM%. This water-based compound can be applied to damp concrete floor slabs, screeds and walls. Small hole dug through 2" soft sandy concrete to reveal hardcore and soil. 1. 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. If the coating is not going to be the final decorative surface and a. Depth of screed. Features. The product is applied in two coats. The existing concrete floor can be used as a base, however a new damp proof membrane (DPM) will need to be introduced. We decided to remove them all and lay new carpet. Any recommendation on products to use- most I've found say only suitable for concrete, I've only found multi tite 2k suitable for both but it's not cheap. The membrane should be linked to the DPC/cavity tray. Applying Damp Proof Membranes. Prevents rising damp and efflorescence. £41. Temperature, air flow and type of mix, being just a few. 2 coats liquid DPM. Apply prior to laying laminate or wooden flooring, over wall-to-floor junctions. A DPM on an external tiled area will protect moisture sensitive stone such as granite from staining due to rising ground floor water, as well as rain water. Method 2 - No damp proof membrane (DPM) Where no DPM is incorporated into the precast beam and block floor, the following provisions will apply: • The beam and block floor must be laid above the DPC. 2kg/m². 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. 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. Allow this treatment to work and wash down to leave a clean surface. I have bought a 1950s house. € 80. merit said: ↑. 1 Year Guarantee. That means it’s a perfect paint on damp proofing. Liquid epoxy DPMs are ideal for concrete floors, such as garages, where the original damp proof membrane is missing or has broken down. Liquid epoxy DPM for existing concrete floors. Where traditional pressure injection fluid cannot be used, Dri-Wall is the answer. A damp proof membrane is primarily used on solid material floor constructions and it is designed to act as a waterproof barrier, preventing moisture from travelling into other. 11. Liquid DPM 5L. Property is mid 1960s, solid ground floor. For further help and advice with damp proofing and Liquid DPM please call our product experts today. The installation of a liquid damp proof membrane is a vital stage in the construction process, for both new builds and refurbishment work where a structural DPM may be missing or damaged, or where residual construction moisture is present in the floor. Hardcores varied in quality - many have since proved to be totally unsuitable. If you lay a liquid dpm, you need to cover the walls as well, for the same reason. All tiles and sand cement screed removed and last remaining suspect area. Visqueen EcoMembrane DPM. 64 Inc VAT. 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. £300. 18 Dec 2013. Non-toxic, non-hazardous and solvent free liquid damp proof membrane suitable for walls both above and belowground. Rolling out damp proof membrane across a floor to prevent damp. applying 2 coats of Drybase® Liquid DPM. In order to make sure the base is completely covered the second coat should be laid at right angles to the first. 64 Inc VAT. Underlayment for Laminate Floor (moisture barrier)Damp proof membrane for structural waterproofing Damp proof membranes (DPMs) are required for use either above or below solid concrete floor slabs that are in contact with the ground. The carpet fitter said the concrete floor was too damp for the flooring i wanted. Ground-bearing concrete floor slabs should be protected against ground moisture by providing a continuous damp proof membrane (DPM). The product is applied in two coats. PU280-S. . NDC 1000 Gauge Black Damp Proof Membrane - 4 X 3m. • reinforced cast in-situ concrete floors • suspended beam-and-block concrete floors • precast concrete slabs . If a DPM has failed or perhaps was never installed in the first place, the features. Basement Tanking. • 5L tin offers coverage of approximately 6. Whats people lookup in this blog: Liquid Damp Proof Membrane For Concrete Floor; Liquid Moisture Barrier For. Jul 13, 2011. I'm looking for opinions on the best self leveling screed to use on my slightly wonky concrete garage floor. You can apply this versatile formula using a roller or brush, whether you're working on a cosy living room or an. Hardwearing – high abrasion resistance. Screwfix Select. 0 square metres per litre and allowed to cure overnight. Ikopro Synthaprufe Trade Damp Proofing Liquid - 2. Shop for waterproofing products & vapor barriers designed to protect your foundation. Damp-Proof Floor Coating. Liquid Damp-Proofing Systems. then a liquid dpm will need to be used as well as a 3mm thick latex layer as most adesives wont bond properly to the dpm. One Abocrete kit with sand covers approximately 28 sq. 99 Inc Vat. No Hydro Liquid Applied Damp Proof Membrane DPM is a ready to use liquid applied damp proofing membrane free from bitumen. Where traditional pressure injection fluid cannot be used, Dri-Wall is the answer. Most damp-proof floor coatings are applied directly to the concrete floor surface using a brush or roller. € 99. 00 Excl. 5L. How to apply Damp Proof Paint. This acts as a barrier, preventing moisture from seeping into the concrete. 2. To ascertain if this is the case, there are two main techniques for testing a substrate’s moisture level, which. Damp proof membranes can be used to help resolve damp issues which already. The vinyl that was laid bubbled up, so contractor removed it. It has excellent adhesion to damp cementitious surfaces and once dried provides a dry barrier against moisture below. Click & Collect. With a consistency similar to that of thick emulsion paint, it's suitable for use on solid floors, embedded timbers and. Ideal for waterproofing of structures in concrete or masonry such as basement walls, basement roofs, foundations, terraces, balconies and pipe penetrations. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. 50 Ex VAT. In the case of gluing the floor, a liquid damp proof membrane should be used in conjunction with a suitable adhesive. DPM is also suitable as anThis is where a damp-proof membrane (DPM) is put into use; essentially a large sheet of polythene, bituminous felt or copper sheet which should be placed between the concrete slab and the screed. 40 per L. S. 00 Ex VAT. Concrete floors subject to rising damp; New or old concrete floors where a DPM has failed or was never installed; Suitable for heavy wear areas; Use on areas of damp concrete which cannot be surface dried prior to painting; Features. Larsen DPM Universal is a superior 2 pack epoxy surface applied damp proof membrane. Very cost effective single coat application reducing time on site. Rising damp in concrete flooring is a significant issue. The type of coating is chosen, depending on the usage of the floor. What is a Liquid Epoxy Damp Proof Membrane? Liquid Epoxy Damp Proof Membrane has two components - a base and hardener. . dazlight. weberfloor DPM can be applied on substrates such as concrete and cement-based levelling compounds. Once applied, it cures to form a flexible and elastic damp-proof membrane. 49 Inc Vat. We supply trade quality DIY and home improvement products at great low prices. Capital Valley Plastics Ltd Damp-Proof Membrane Black 1200ga 25m x 4m (47163) (55) compare. Can be applied to damp surfaces. • 1 or 2 coat application. DynamiteMatt; 17 Dec 2013; Floors, Stairs and Lofts; Replies 1 Views 1K. 00. 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. You also mentioned that there are vinyl tiles over the floor. I'm looking to tile the floor, which currently has parquet on it, bonded to the concrete with a bitumen adhesive. Any help would be appreciated. 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). 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. How does a Liquid Epoxy Damp Proof Membrane work?I don't know anything about using damp-proof membranes. . Iam a floor layer with 25 five years experience. 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. Damp Proofing Concrete Floors With Liquid Membranes. Damp-proofing floors with damp-proof membranes is best done by professional contractors. Barcode 5055047210603. Limitation: Do not directly bond wooden flooring to Drybase® Liquid-Applied DPM coated concrete. Dampproofing is intended to keep out soil moisture while waterproofing keeps out both moisture and liquid water. Installing a floor membrane on concrete to fight dampness is a relatively simple process, but getting it wrong can cause even more issues down the road. £30. £2,000. 80 Inc VAT. 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. 0. A reading greater than 2. Location. Water under tiles. 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. Robust - resistant to on site damage. Clear and brush an area of a garage floor so that it is completely free from debris and dirt etc. e 0. Do I have a DPM? EDSDIY; 23 Jul 2020;Standard sand & cement screed, dries at approx 1mm per day, depending on variables. Liquid epoxy DPMs are ideal for concrete floors, such as garages, where the original damp proof membrane is missing or has broken down. liquid dpm and self levelling compound. 5m) It will have 50mm insulation boards on top of it, followed by 18mm/22mm. Step-by-step guide for how to apply liquid DPM for concrete floors. T1000 Stampable OverlayFor use with resurfacing concrete floors and hardscapes. Fitting floor insulation tends to be far more straightforward when starting from scratch in a new build or extension. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. It might seem a bit unusual. I would think a strip out and start again would be your best option, you should consider where/why there is water evident before. Whoever. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. Withstands 98% RH. When damp proofing a concrete garage floor, a plastic dimpled membrane is required if the floor is going to be boarded (either with chipboard, plywood or similar) or if a concrete screed is going to be laid. Replacing a concrete floor. Protection up to 3m. How to apply Damp Proof Paint. Withstands reverse hydrostatic pressure to 4. 5 Litre Containers, in Black colour only. Add to basket. 4M X 5M 500G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. Apply with simple hand tools or with a brush, paint roller, or. 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. See moreApply around the edge of the room using a paintbrush, and then use a pre-wetted short pile. Floor under carpet marked with chalk for wet areas. A liquid DPM such as Bostik Cempolatex Moisture Suppressant must be applied in two coats. coating to create a key for the screed. Liquid epoxy DPM is often used as a remedial solution for existing concrete floors, as it creates an impermeable layer that keeps water in the concrete slab. 2. On average, the cost of screed flooring will be around the £250 mark, depending on various factors. It can cost over £90 per m². Liquid Epoxy Damp Proof Membrane - 5kg. Isolates damp substrates for new floor finishes including carpets and laminated flooring. 4. Safeguard offer two options for the treatment of damp rising through existing concrete floors. A punctured or missing damp-proof membrane below a concrete floor can give rise to the passage of moisture to the surface with the potential of ruining floor coatings and coverings such as. Dust, dirt, oil, grease and other contaminants should be completely removed. To be honest it’s worth having some sort of moisture suppressant put down just to make sure. Our easy to install range is available in various thicknesses up to 0. It will tackle residual moisture in concrete up to 6% C. Good afternoon. 99. This effectively creates an airtight seal through which moisture cannot break. I applied this to the floor in two coats. Holds back rising damp where a damp proof membrane is either missing or defective. Anyway im considering applying a liquid DPM myself but i would like to know if its essential to remove skirting boards. During the construction process, a damp proof membrane will be laid over a layer of sand, before insulation is. A Liquid Epoxy Damp Proof Membrane (DPM) is often used as a remedial solution where an existing DPM has failed or was never installed. Liquid Epoxy Damp Proof Membrane - 5kg. 00 Inc VAT. An advanced, ready-to-use, chemical damp proofing formula which forms an effective. Isolates damp substrates for new floor finishes including carpets and laminated flooring. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. 100m² per roll. 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. I am decorating a rear lobby area of an old victorian terrace house, which has a concrete floor. 28 days or sealed when set with one coat of ARDEX HydrEpoxy WPM 300 at a coverage rate of 3. If the concrete floor is less than 5mm out of level, you can use a self-levelling flooring compound to even out the surface. Floor is as follows: TOP 70mm Screed CH pipes here and there Polythene slip layer 100mm insulation boards DPM 100mm concrete DPM hardcore Clay / ground BOTTOM And yes the DPM layers are. For damp concrete floors, it is recommended to apply the membrane in two coats. These attributes combined produce a unique multi-purpose liquid DPM with dozens of potential applications including but not limited to: • Damp proofing storage basements, where other tanking methods too costly • Damp proof paint for walls and ceilings • Concrete Floors: as a tough liquid floor DPM applied above or below screeds. Allows immediate installation of moisture sensitive floor finishes onto damp concrete and screed. goldenboy Super Member. If you need to lay floor tile. Liquid epoxy DPM for existing concrete floors. Browse damp-proof membrane products from Toolstation here. The epoxy DPM comes. Laitance must also be removed from concrete. Tramex reading at the time of vinyl removal was 3-4+. , 1/8 in. Thin Micro-ToppingProduces durable surface to color or stain. There is no damp proofing on the floor. Free from water and free from solvents, this primer allows for a trouble-free installation as no swelling of the wood is to be feared. Additionally, it’s important to factor in the load capacity of the. To determine the most suitable and cost-effective surface. 70 Ex VAT. When laying radon membranes, they should extend the whole of the floor and walls. House built in 60's. Pour the resin into a clean, dry bucket. Ground bearing concrete floors - 1960s to 1990s. Cement based coating for preventing water and damp penetration in walls and floors. Installing a floor membrane on concrete to fight dampness is a relatively simple process, but getting it wrong can cause even more issues down the road. Basement Tanking. Sikalastic®-800 HA is a two component, solvent free, highly elastic, virtually odourless polyurea based waterproofing membrane. If there was no dpm I would suggest a uniformal distribution across the whole floor. Universal DPM allows immediate installation of moisture sensitive floor finishes onto damp concrete and screed. 00 Inc VAT. However, this option may not be the best solution in many circumstances. uk. Wood and Beyond propose the use of vapor barrier with all. Easy Handling & Installation. Test Area CoverageTwo-component, single coat application, damp proof membrane for controlling residual and constructional moisture in cementitious substrates. Concrete floors subject to rising damp; New or old concrete floors where a DPM has failed or was never installed; Suitable for heavy wear areas; Use on areas of damp concrete which cannot be surface dried prior to painting; Features. Synthaprufe Original exhibits low odour, with exceptional flexibility and crack resistance, even at low. Liquid floor screed is ideally placed at depths of between 50 -75mm in conjunction with UFH. Now, let’s clarify some things concerning product. Last edited: Sep 2, 2010. I'm not 100% convinced they are asbestos tiles - but I best err on the side of caution. How to do Damp Proof Membrane of your sub-floor. I'm purchasing a new build and want to put Amtico Spacia down throughout the downstairs. Technoseal Floor DPM. Coo-Var Dampshield. 5kg. One of the last elements to be implemented was the asphalt floor screed which provides a membrane to the surface. Description. This can only normally be guaranteed if its an new build or extension and most houses have been sold, inherited etc. Tried and tested and it works. Sika Rapid DPM (Damp Proof Membrane) is a solvent free reaction curing resin for use on cement based substrates. Ive recently moved in to a new build that was completed in July. 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. 00 Ex VAT. case of un-bonded screeds. Non-toxic, non-hazardous and solvent free liquid damp proof membrane suitable for walls both above and belowground. 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). I wanted to self-level the floor using mapai ultimate leveller 1210 and Secrete Ulitmate Primer for adhesion. Self levelling compound was laid straight on top of the concrete floor (with no primer). 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. IKOpro Synthaprufe Trade is easy to apply and provides damp proofing for concrete floors, foundations and masonry walls below, at or above ground level. Coverage: 1 gallon of Abocrete, without sand or aggregate, covers 80 sq. £36. It. Before applying the damp proof paint, stir the contents of the bucket well. It might seem a bit unusual. Stauf VPU-155 S DPM solvent free polyurethane primer: is a ready-to-use, one component polyurethane primer is particularly fast drying. Rolling out damp proof membrane across a floor to prevent damp. Liquid screed. If a screed such as A38 or Topcem was used, this can reduce the drying time, and with A38 this can be just one day. Waterproof Blue is a one-product-solution for the waterproofing prior to tiling in bathrooms, wet-rooms and concrete floors. Self-leveling concrete can be used as an underlayment for tile, carpet, or other floor coverings. £36. A damp-proof membrane is a layer of material usually laid below concrete floors during construction. uk. Slimline floor membranes, on the other hand, are quick and easy to install and create an air gap that allows for finishes to be applied while the damp floor is still drying out. Quarry tiles are installed on the solid concrete slab which is a good. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. Which type of coating is chosen will depend on the intended use of the floor. • Protects walls and floors from water ingress and dampness. RAISED ACCESS FLOOR A tough waterproof. 100% solids, high build coating. € 80. 12 Inc VAT. An advanced, ready-to-use, chemical damp proofing formula which forms an effective. Lay dpm, or liquid dpm across dpc on outside, down bricks across haunching and over existing dpm. When stripping the bathroom, the area under the bath tub was bare concrete, lower than the rest of the "black" floor throughout the property. 50 Inc VAT. 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. You can see a few more examples for damp proofing a concrete floor here. co. The subfloor is a solid slab that is mostly level (although in parts, just earth). Self Leveling OverlayFind the overlay to meet your project's needs. 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. Drybase White Liquid Damp Proof Membrane - 5L (0) £55 . Can be applied to damp surfaces. 14 May 2010. Method 2 - No damp proof membrane (DPM) Where no DPM is incorporated into the precast beam and block floor, the following provisions will apply: • The beam and block floor must be laid above the DPC. DPMs come in solid or liquid form, the latter being a practicable solution for a garage conversion. the wooden floor is laid. It is important to ensure enough DPM is lapped to encompass the whole floor build up with a little excess. I am in the process of improving our kitchen. 75 m2 1. I'm hesitant to lay self levelling. 7 days or sealed. It is supplied ready to use. USES For priming, consolidating and sealing of: Absorbent and non-absorbent sub-floors, consolidat-ing weak cement screed and isolation of old. 5kg Tins of Epoxy DPM. The biggest advantage of using a liquid Damp Proof course, is that you do not have to rip up concrete floors. free from dirt, dust, grease or other contamination or coating. These can over time allow a build up. #3. These can adversely affect a concrete slab on grade. To apply liquid epoxy DPM correctly, build up multiple coats, always follow manufacturer's recommendations and ensure that the concrete surface is free of debris or organic matter. For this solution, you are essentially painting the floor of the basement. It did not cause any problems before (I took off the old screed and tiled floor already). I am assuming its asphalt with a bitumen top layer, 10-15mm thick. liquid-applied damp proof membranes (DPMs) for concrete floors REMEDIAL OR RETROFIT SURFACE APPLIED DPM SYSTEMS FOR CONCRETE FLOORS. DPMs can also be used to form. The floor DPM range manufactured by Capital Valley Plastics is designed for use with solid concrete floors. The kitchen currently has thermoplastic tiles down which most. If it’s solid wood you need a surface dpm. 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. . ARDEX DPM is a solvent free, low viscosity, two-component epoxy resin. Our epoxy DPM products create a new damp proof membrane in a highly. In this case, it is preferable to fit insulation below the concrete slab, where it helps the concrete absorb heat. Suitable for extensions, basements and cellars. Liquid DPM to reduces the potential mois-ture related problems. 100% solids, high build coating; Virtually solvent free liquid epoxy resin damp-proofer; Withstands 98% RHTesting the Floor’s Moisture Level. Prepare substrate. The bitumen is less than a millimetre thick - painted on by all accounts. Fixing such an issue requires either applying a damp-proof coating to the surface of the concrete or a damp-proof membrane could be laid at the top of the concrete during construction: Damp-Proof Floor Coatings: A lot of the damp-proof floor coatings these days can be applied directly to the concrete floor surface using either a brush or a roller. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. For external tiled areas, we would always advice on the use of a capillary passive drainage system like BAL’s new external tiling systems which ensure the rapid drainage of tiled surfaces. The membrane can support a 65 mm screed or an insulated floating floor. The advice I was given was a liquid DPM to be put down on the concrete floor and then I will build the floor structure on top, it will be in contact with the floor via packers but the bottom layer as such will be a square of plastic to avoid. This enables earlier access onto the floor for the application of screeds, coatings and other floor coverings including tiles, vinyl, wood and carpets. Use polyethylene sheeting to create a waterproof membrane to ensure that there is no leakage of the screed when it is pumped in wet. It stops around 10mm away from the internal walls in all rooms. and then apply a second coat with kiln. Produced from Recycled Material. of the floor. Would slurry under vinyl floor covering work the same as liquid DPM? glob@l, May 17, 2019 #1. Membranes. Drybase Liquid-Applied DPM is a single-pack barrier coating that is supplied ready to use. Can be used where a structural DPM is not present or is ineffective. thick. The product is applied in two coats. Whilst scraping them I noticed a bitumen Smell and residue. Drybase Liquid-Applied Damp-Proof Membranes. Sovereign Epoxy DPM is a solvent free two-part resin that chemically cures to provide a surface membrane. The principle of tanking is to provide a continuous waterproof barrier or membrane; this is created using either mastic asphalt or proprietary adhesive DPM. 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. For example, if there is a significant problem with damp rising through your quarry tile. 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. I'm not 100% convinced they are asbestos tiles - but I best err on the side of caution. Ready to use, effective damp proof membrane. It is available in black or white with a consistency similar to that of thick emulsion paint. Model No: DPC225. 2. I'm not sure if the damp has risen through the concrete, or just moisture that has got trapped underneath. HydraDRY Tanking Slurry. As a rule self levelling screeds need an active DPM at some point below them other wise they will likely de-bond due to damp and this could be the reason it seems to be lifting easily.