Step-by-step guide for how to apply liquid DPM for concrete floors. DPMs come in solid or liquid form, the latter being a practicable solution for a garage conversion. 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. Can be easily applied by brush. Chimney damp proof course (labour and scaffolding not included) £75 per roll. Self levelling compound. Liquid screed. Preparation is the main thing for the layers, and the substrate should be dry and clean. If you have a engineered wood floor and your new slab is dry below 75%rh then technically you don’t need one. Drybase White Liquid Damp Proof Membrane - 5L (0) £55 . It might seem a bit unusual. Ground-bearing concrete floor slabs should be protected against ground moisture by providing a continuous damp proof membrane (DPM). 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. £ 49. Once painted on, Drybase ECS Epoxy Floor Coating provides resistance to oils and greases. Whoever. Coverage. Drybase Liquid-Applied DPM (1 L White) (In stock) ☆ ☆ ☆ ☆ ☆. Another solution for. Drybase® Liquid-Applied DPM is suitable for use on solid floors, embedded timbers and floor-to-wall. Prepare substrate. Made from recycled materials. The carpet fitter said the concrete floor was too damp for the flooring i wanted. #1. It has excellent adhesion to damp cementitious surfaces and once dried provides a dry barrier against moisture below. 00. Sikalastic®-800 HA is a two component, solvent free, highly elastic, virtually odourless polyurea based waterproofing membrane. £ 21. Single Sided DPM Tape - 75mm x 33m. We have purchased a 4 bed detached house built in the 1950's. Drybase Liquid-Applied DPM, Drybase ECS Epoxy Floor Coating, and many products from the Vandex range including Vandex BB75 and Vandex Unimortar 2 can be applied directly on to damp floors to form a damp-proof barrier. 00 € 60. merit said: ↑. This can be due to: Moisture rising through the concrete. 2kg/m². 00 Ex VAT. A liquid DPM such as Bostik Cempolatex Moisture Suppressant must be applied in two coats. Property is mid 1960s, solid ground floor. ARDEX WPM 200 provides a surface applied water and vapour barrier to concrete, screeded, rendered or masonry surfaces, steel and other vertical as well as horizontal hard surfaces. If you need some advice on what DPM your floor project will require you can speak to one of our flooring experts using the live chat (when available) or call us on 0333 533 3330 during normal office hours. The bitumen is less than a millimetre thick - painted on by all accounts. Browse our selection of damp roof membrane (DPC) for use on concrete to prevent moisture from seeping through layers of flooring. £80 per L . 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. Robust - resistant to on site damage. Most damp-proof floor coatings are applied directly to the concrete floor surface using a brush or roller. 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. Ive recently moved in to a new build that was completed in July. Water under tiles. Normally you would put a compacted bed of about 50mm sand under the DPM. It is ideal for use on damp floors and walls. When installing an underlay process, roll out the damp-proof membrane the same way you do a carpet and cut to size. DPM Primer is a system for substrates that have a residual moisture level greater than 75% RH. Where the product is laid onto a concrete surface wh. The DPM should: have sealed laps of at least 300mm wide. Jul 13, 2011. Clear and brush an area of a garage floor so that it is completely free from debris and dirt etc. Mix. Ideal for waterproofing of structures in concrete or masonry such as basement walls, basement roofs, foundations, terraces, balconies and pipe penetrations. If there was no dpm I would suggest a uniformal distribution across the whole floor. The DPM will be laid first, usually as a liquid product 'painted or trowelled' onto the concrete surface, then the screed laid over that. 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. For further help and advice with damp proofing and Liquid DPM please call our product experts today. The membrane is a tough structural material and is often used as part of basement waterproofing solutions too. Image courtesy of Lifestyle Floors Image courtesy of Lifestyle Floors. Resistant to frost and salt attack. Tax: £18. Concrete ground floor. 19. After application, this polymer-based coating dries to a flexible liquid waterproofing. RonaScreed DPM is also suitable for use prior to the application of tiles, soft flooring or wood. for above ground use. It had lino down, which I lifted up last night and it was very damp and a bit mouldy underneath. #2. 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). Laying a DPM over the floor slab (not sure on the integrity of the one below the slab so just in case. Damp proof membrane for walls. 18 Dec 2013. This should be applied in a minimum of two coats (i. Suitable for extensions, basements and cellars. If the coating is not for your final decorative surface. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. Bostik Screedmaster Rapid DPM is a ready for use; one part, water-based damp proof membrane. These black DPMs can also be used with underfloor heating - under normal operating conditions this will not adversely affect the membrane. Small hole dug through 2" soft sandy concrete to reveal hardcore and soil. DynamiteMatt; 17 Dec 2013; Floors, Stairs and Lofts; Replies 1 Views 1K. It is available in black or white with a consistency similar to that of thick emulsion paint. An MVS, is a moisture vapour suppressant that is used on floors, usually concrete or cement-based screeds with up to 95% RH. Liquid Epoxy DPM . Shop for waterproofing products & vapor barriers designed to protect your foundation. The vinyl being laid before the concrete has dried out. Preferred methods of floor construction for such premises are full-thickness trowelled concrete or a topping on a concrete base. 16 Nov 2016. T1000 Stampable OverlayFor use with resurfacing concrete floors and hardscapes. PermaSEAL Liquid DPM can also be applied to concrete floors below screeds. If the problem is moisture, lift the vinyl and allow the concrete to dry properly. I have attached a photo after removal. Now you are ready to lay the damp-proof membrane. Professional tips: how you should do it. It stops around 10mm away from the internal walls in all rooms. You are essentially painting a concrete floor, after all! But it is an effective way to do it. Speak with a technical adviser if unsure. DPM Floor Membrane above Concrete. Installing tanalised 4x2 soleplate 2" from the wall over the DPM but with a DPC below, screwing down through both into the concrete, then bringing the DPM up the back of the soleplate for a nominal distance. Manufacturers will be able to advise. 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. Lay dpm, or liquid dpm across dpc on outside, down bricks across haunching and over existing dpm. 4M X 20M 1000G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. If the floor has no dpm, it'll have a damp history. A liquid-applied DPM (damp proof membrane) is a simple solution and an excellent way to damp proof a concrete floor. 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. Then once the screed is dry use a liquid DPM such as F-Ball Stopgap F77. 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. Use 1000 gauge or thicker – ideal for this is the polyethylene use for the DPM under your concrete subfloor. Fierce Protection For Damp Floors. Protect your walls and floors from water damage with the Bostik Aquaprufe damp proofer and waterproofer. The product can also be used to protect retaining wall structures. Provides a flexible and resilient barrier to penetrating damp on. A – Sand/cement screed or concrete floor B – Damp proof membrane C – Prime using UltraTile ProPrimer neat D – Apply adhesive (select upon tile type) E – Install tiles G – Grout all joints. Laitance must also be removed from concrete. #3. EP40 Epoxy Floor Coating – Grey. Assuming that the damp proof membrane (dpm) under the concrete has failed in areas then yes you possibly would get the odd patch of dampness showing in the floor. 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. How to Damp proof a floor and walls using synthaproof as a damp proof membrane is shown in this tutorial. The polythene damp proof membrane (DPM) – generally a 1200 gauge- can now be rolled out into place ensuring the perimeter abutments are adequately covered. This should be laid on top of the insulation board. Impatience and damp concrete subfloors. The whole floor is concrete and has a section about an inch deep where the fireplace used to be. If you have a engineered wood floor and your new slab is dry below 75%rh then technically you don’t need one. No Hydro Liquid Applied Damp Proof Membrane DPM is a ready to use liquid applied damp proofing membrane free from bitumen. 1. Screeds and toppings should be specified only where placing and finishing the concrete floor to acceptable standards is impracticable. dried sand broadcast into the wet. or self level to adhere to. Damp-proof membrane: A damp-proof membrane has the advantage of being able to be applied to a damp concrete floor and walls. 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. 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. Apply sand-blind base (this base should be level to within 5mm along any 3m straight edge). £49. ★★★★★ ★★★★★ ( 3 ) Product code: 47327. This Epoxy DPM is a two-component, solvent free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. A liquid DPM such as Bostik Cempolatex Moisture Suppressant must be applied in two coats. Holds back rising damp where a damp proof membrane is either missing or defective. 11 – 131. 3mm per dried coat) This corresponds to approx 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. While it may seem unconventional to "paint" a concrete floor, it creates a highly durable and impenetrable barrier against moisture. Drybase Liquid-Applied Damp-Proof Membrane High-strength damp-proof coating for a wide variety of applications. Hi Pete, I have the answer. 00 Inc 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. This told us tha. The product definitely gets the job done with great value for money. 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. OK stuck - Liquid DPM, concrete floor and a pipe. In subfloors with readings in excess of 75% relative humidity (RH), the use of surface membranes will suppress residual moisture, which can dramatically shorten project schedules. I would think a strip out and start again would be your best option, you should consider where/why there is water evident before. 3. Tiles came up very easily with zero bitumen attached. If you would like to know more about the range of damp proofing and other products we have available you can contact us on 01329 235252 or via e-mail info@allianceremedialsupplies. . £. DAMP BARRIER PAINT - A highly advanced styrene-butadiene rubber (SBR), liquid applied membrane paint. Applying Damp Proof Membranes. It should be waterproof to prevent any rising damp getting through. Stauf VPU-155 S DPM solvent free polyurethane primer: is a ready-to-use, one component polyurethane primer is particularly fast drying. If the concrete is level you could glue the floor to the concrete using an adhesive (as you would a ceramic tile] It is advisable to use an epoxy primer first, it is expencive, about £60 for an average room. I am the Managing Director of the Multi-Award Winning Speed Screed. BS recommends (Annex A) hygrometer test which should give a reading of not more than. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. An acrylic brush-on membrane, Dunlop Damp-Proof Waterproofing will prevent rising damp, efflorescence and will resist negative hydrostatic pressure. e. Vapour barriers. The concrete slab I poured for my utility room extension is slightly uneven - a small dip into the centre. Mapelastic AquaDefense is a premixed, advanced liquid-rubber, extremely quick-drying waterproofing and crack-isolation membrane for installation under ceramic tile or stone in residential, commercial and industrial environments. Cures in half the time of conventional epoxy based surface damp proof membranes. Protects the floorcovering from residual construction moisture and ground water vapour. Palatine. Can damp come up through a concrete floor? The easiest issues to isolate and fix with damp floors are problems with above. After application, this polymer-based coating dries to a flexible liquid waterproofing membrane with high crack-bridging properties. A liquid DPM such as Bostik Cempolatex Moisture Suppressant must be applied in two coats. Hi. . 64 Inc VAT. USES For priming, consolidating and sealing of: Absorbent and non-absorbent sub-floors, consolidat-ing weak cement screed and isolation of old adhesive residues. Since 1991, Polycote have laid millions of square metres of epoxy floor paints and coatings in almost every environment throughout the UK. 186. If the coating is not for your final decorative surface. If a concrete floor is being replaced because it is causing damp or other problems, limecrete offers an alternative. 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. IN CONCRETE SUBFLOORS British Standards 8201:2011 recom-mends using relative humidity (RH) testing of concrete sub floors. Damp proofing is typically achieved through a coating that is either sprayed on or rolled onto the outside of the wall. Damp proof membranes can be used to help resolve damp issues. Whoever did the repair once the fireplace was taken out didn't bother putting any DPC down and just filled it with a concrete/sand mix which had just crumbled over time. #1. uk. At Permagard, we stock the Radbar radon membrane. Once applied, the product cures to form a membrane that is flexible and elastic. We have purchased a 4 bed detached house built in the 1950's. € 80. Features & benefits. • The floor void beneath the beams should be appropriately vented to ensure that a cross flow of air between two externalDamp Floor: If your floor has RH readings above 75% and below 95%, with a functioning structural damp proof membrane present, we recommend the use of ARDEX MVS 95. Sika Waterproof Coating Grey 5kg. Can be over painted after 16 hours with most types of floor coatings. If it’s solid wood you need a surface dpm. £6. apply two coats of Drybase® Liquid-Applied DPM as normal. Liquid Damp-Proofing Systems. It is supplied ready to use. However, this option may not be the best solution in many circumstances. Preparation is the main thing for the layers, and the substrate should be dry and clean. This effectively creates an airtight seal through which moisture cannot break. Coo-Var Dampshield. Primer to the surface and allow to cure. Sika primer MB or Sika-Bond Rapid DPM) or, in the case of a floating floor, a properly installed heavy-duty, non-permeable plasticThere is a distinct difference between dampproofing and waterproofing. Drybase Liquid-Applied DPM is water-based. Thin Micro-ToppingProduces durable surface to color or stain. The easy application is carried out in two coats with a brush or roller. It should accommodate 0mm to 5mm (or thereabouts) It will cover an area of 26m2 (4m x 6. Alternatively, dilute the first coat of Drybase® Liquid DPM with 30% water for use as a primer. £51. Liquid DPM is a substance used to create a waterproof layer on the walls and floors in your building to help stop moisture and rising damp from penetrating the foundation and causing damp issues. If the coating is not going to be the final decorative surface and a. However, there are a couple of small holes (about 4cm deep, 2 x 3cm width/length) in the concrete base. Quarry tiles are installed on the solid concrete slab which is a good. If the top of the plastic is wet and the concrete underneath is dry, then you have a sweating. Leave it overnight. Keep Excavation Free of Water. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete. 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. Mix. Features. Hitting off the 1" top screed, applying a liquid DPM paint sealer to the 3" concrete underneath, then a 1" layer of latex over the whole floor to level it off. 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. coating to create a key for the screed. Can be applied to damp surfaces. 32 metre Kit (Dri-Wall DPC Injection Kit - Mini) 17DWKIT4. You may need to apply a damp-proof epoxy coating to the concrete before laying a new floor. M. Damp proof for concrete floor. . Barcode 5055047210603. It can cost over £90 per m². How to install a liquid damp proof membrane you when to use a damp proof membrane wood and beyond blog how to lay a liquid based damp proof membrane you what is a dpm and why do i need one polycote. 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. 5 m²/litreLiquid 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. An insulation foam board needs to be laid directly on top of the concrete floor. How To Install Damp Proof Membrane on Concrete Floors. We supply trade quality DIY and home improvement products at great low prices. Liquid DPM 5L Rating: 100%. 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. I want to avoid digging it up if I can. IKOpro Synthaprufe Trade is easy to apply and provides damp proofing for concrete floors, foundations and masonry walls below, at or above ground level. Withstands 98% RH. 25 Ex VAT. 2. 4M X 20M 1000G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. Add to basket. free from dirt, dust, grease or other contamination or coating. Withstands 98% RH. Many damp-proof floor coatings are used directly on the concrete floor surface with a roller or brush. Renders and Cured for min. Protection up to 3m. The wrong adhesive being used to lay the vinyl, or. uk. £750 - £3,000. KIAB Super Member. £30. Call us on 302 244 0179 or submit an enquiry for contact information of contractors in your area. Can be used as a damp proof membrane and as part of a designed structural waterproofing system. The Drybase range of liquid-applied coatings including Drybase ECS Epoxy Floor Coatings and Drybase Liquid-Applied DPM can be applied. 83 – £ 178. the DPM and new floor can then go on top of this. Prevent moisture penetration with a damp proof membrane that can be painted under your solid wood, real wood and laminate floors. After hardening the ARDEX DPM produces a membrane with high inherent strength and excellent bond strength to appropriate substrates including very damp concrete and screeds. Pour the resin into a clean, dry bucket. 5kg Tins of Epoxy DPM. 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. 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. 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. Ask the mods to move your thread to Flooring forum and see: dazlight Fri 29 aug 2020 for a specific response to a difficult surface. Unsmooth subfloors If the subfloor is uneven, the WSM could ‘pool’ in any undulations on the surface and will require a greater quantity of WSM to achieve full coverage,. Self levelling compound was laid straight on top of the concrete floor (with no primer). If the concrete floor is less than 5mm out of level, you can use a self-levelling flooring compound to even out the surface. Plenty of cement/latex/fibre. Damp Proofing. It is supplied ready to use. £30. 00 Ex VAT. The vinyl that was laid bubbled up, so contractor removed it. 3. 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. It helps stop moisture passing from one to the other. Damp-proof membranes are a versatile product and can be used for a wide range of applications, such as creating a protective. Capital Valley Plastics Ltd Damp-Proof Course Black 30m x 225mm (85921) (28) compare. Also for capillary ascending humidity and higher residual humidity up to 6 CM% in cement paving without floor heating on heated cement paving up to max. The same larger hole after I cut back some of the sandy concrete. Wakol PU280 Polyurethane Primer: is for priming absorbent and non-absorbent subfloors, and to reinforce abraded concrete edges. Ready to use. Ground-bearing concrete floor slabs should be protected against ground moisture by providing a continuous damp proof membrane (DPM). It is. goldenboy Super Member. Buy great products from our damp proof membrane Category online at Wickes. Apply with simple hand tools or with a brush, paint roller, or. There is no damp proofing at all and the floor was a bit damp. It is available in black or white with a consistency similar to that of thick emulsion paint. 1. All tiles and sand cement screed removed and last remaining suspect area. As a result, it’s important, particularly if you’re planning a DIY installation, to ascertain the best way to fit your floor. Our liquid waterproof membrane is a liquid DPM that makes your floors durable and water-resistant. 100% solids, high build coating. Liquid Membrane. 3. Add to Basket. • 5L tin offers coverage of approximately 6. co. 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. MPN SKBDRAPDPM5. Liquid DPM 5L Rating: 100%. Liquid damp proof membrane can be applied to both floors and walls using various methods such as brush, roller, or spray. Suitable for all areas of a home, DPM is available in a choice of fabric and liquid forms. Made from recycled materials. 1 Year Guarantee. It should be waterproof to prevent any rising damp getting through. You are. Flexible - easy to detail and install on site. 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. 3 bar/65psi for 14 days (ASTM C1306-05a)DIYDave. A Liquid Epoxy Damp Proof Membrane (DPM) is often used as a remedial solution where an existing DPM has failed or was never installed. rifraf74. The permanent solution for damp proofing floors • Forms a reliable surface damp proof membrane (DPM) on damp concrete floors • Waterproofs cracks & rising damp on solid floors • 1x 1kg epoxy activator pack • Fraction of the cost of new concrete installation • Domestic, industrial, agricultural & retail applications • No more spending hours smashing concrete. Speak with a technical adviser if unsure. Can be over painted after 16 hours with most types of floor coatings. Quarry tiles are installed on the solid concrete slab which is a good. For damp concrete floors, it is recommended to apply the membrane in two coats. A few months have passed since then and is now on average 2. Basements: As part of a waterproofing system beneath ground level. PRODUCT DESCRIPTION EVERBUILD® BLACK JACK® 908 D. Say on quarry tiles or a rough surface screed/concrete floor ? They used to say 131 primer and then 200 acrylic. This is added at ground floor level and is generally. Use on concrete floors as an alternative to polythene. A Liquid Epoxy Damp Proof Membrane (DPM) is often used as a remedial solution where an existing DPM has failed or was never installed. 5. Showing 1–15 of 21 results. The cavity allows moisture within the floor to evaporate and the vapour to disperse at the membrane edges. 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. 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. 7am-8pm Monday-Friday, 7am-6pm Saturday . 99. It is important that concrete and sand/cement screed surfaces are mechanically prepared to produce a clean, sound and dust-free before the application of a WSM. With that said, there are various options when you are damp proofing a concrete floor. It is used to suppress residual moisture in concrete and sand/cement screeds allowing early installation of floor coverings. DIYDave. 10cm squared) and tape it to the floor. ARDEX DPM accommodates hygrometer readings up to 98% RH. How to apply Damp Proof Paint. I would. richel7. Add to Basket. Product benefits. Step-by-step guide for how to apply liquid DPM for concrete floors. 6mm is needed to provide a physical barrier. 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. Speak with a technical adviser if unsure. Tiles came up very easily with zero bitumen attached. 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. Liquid DPM for Walls. Damp Floor Epoxy Kit. wet coating. Tape joints.