It can also be lapped up walls to the DPC before the application of floor and wall coverings. The type of coating is chosen, depending on the usage of the floor. Suitable for extensions, basements and cellars. Tried and tested and it works. How to Damp proof a floor and walls using synthaproof as a damp proof membrane is shown in this tutorial. All surfaces must be mechanically sound, dry and clean, i. The vinyl being laid before the concrete has dried out. This can be due to: Moisture rising through the concrete. Our liquid waterproof membrane is a liquid DPM that makes your floors durable and water-resistant. 1. Our products are all carefully selected by our in-house experts to provide the highest level of protection for your property. The principle of tanking is to provide a continuous waterproof barrier or membrane; this is created using either mastic asphalt or proprietary adhesive DPM. 40 per m 2 . How do Liquid DPMs work? RFC Liquid Damp Proof Membrane (DPM) is a professional 2-component applied surface primer. 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. When installing an underlay process, roll out the damp-proof membrane the same way you do a carpet and cut to size. At Permagard, we stock the Radbar radon membrane. Fixing it is very expensive and would need professionals to do it. See moreApply around the edge of the room using a paintbrush, and then use a pre-wetted short pile. Wall and floor moisture barrier. #3. The damp surveyor has identified the laminate flooring as a possible cause. 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. I'm hesitant to lay self levelling. During the construction process, a damp proof membrane will be laid over a layer of sand, before insulation is. Step-by-step guide for how to apply liquid DPM for concrete floors. Step-by-step guide for how to apply liquid DPM for concrete floors. 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). 00. 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 epoxy DPM comes as a two-component system. Broom Overlay Mix 6000 PSIAdd water and mix - Grey or white. How to install a liquid damp proof membrane. Suitable with underfloor heating. Many damp-proof floor coatings are used directly on the concrete floor surface with a roller or brush. 18 Dec 2013. Browse damp-proof membrane products from Toolstation here. This must cover the whole floor area. The membranes can sit above or below the slab. Basement Tanking. The Drybase range of liquid-applied coatings including Drybase ECS Epoxy Floor Coatings and Drybase Liquid-Applied DPM can be applied directly to damp floors to create a damp-proof barrier without raising the floor. 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. For instance, our garage floor paint kits. I don't want to puddle any DPM into these holes but does anyone know the best way I can 'fill' them before putting down the DPM. We have had a damp survey and it is confirmed that there is no issue with rising damp. What is a Liquid Epoxy Damp Proof Membrane? Liquid Epoxy Damp Proof Membrane has two components - a base and hardener. 4. We have purchased a 4 bed detached house built in the 1950's. Protects the floorcovering from residual construction moisture and ground water vapour. Damp Floor Epoxy Kit. Kent. General waterproofing: - for use on concrete,Information Liquid Waterproof Membrane. Please check your local store is open on the. Alternatively, dilute the first coat of Drybase® Liquid DPM with 30% water for use as a primer. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. Dry Floor: If your floor has RH readings below 75%, we recommend the use of ARDEX P 51 Primer. £. 00. The Drybase range of liquid-applied coatings including Drybase ECS Epoxy Floor Coatings and Drybase Liquid-Applied DPM can be applied. He wasn't keen on laying a floor as it was, and even said that if we laid a liquid DPM with an additional plastic DPM on top, then the water would probably pass through both DPM layers. € 99. Accommodates up to 97% RH. Sika SikaBond Rapid DPM Resin Liquid Primer 5 Litre. 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. It had infact penetrated everything in the room. Chimney damp proof course (labour and scaffolding not included) £75 per roll. Withstands 98% RH. Internal or external applied waterstops based on PVC, TPO or galvanised steel for construction and movement joints. The whole floor is concrete and has a section about an inch deep where the fireplace used to be. merit said: ↑. How to install damp proof membrane on concrete floor. 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). 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. Getting someone to do a damp test to find out the relative humidity RH% of. Hardcores varied in quality - many have since proved to be totally unsuitable. 5m) It will have 50mm insulation boards on top of it, followed by 18mm/22mm. The moisture readings taken at the time were 120 and 85, although the 120 reading was due to fresh concrete having recently been laid to level. 60 Ex VAT. Temperature, air flow and type of mix, being just a few. Damp Proof Course 500mu 100mm x 30m £2. Laying a DPM over the floor slab (not sure on the integrity of the one below the slab so just in case. Then once the screed is dry use a liquid DPM such as F-Ball Stopgap F77. The wrong adhesive being used to lay the vinyl, or. I see the advice is: *Primer *Acrylic Self Levelling Compound *Liquid DPM *Self Levelling Compound of choice However, I can't seem to find any acrylic based self levelling compounds. Would slurry under vinyl floor covering work the same as liquid DPM? glob@l, May 17, 2019 #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. Quick View. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. 10cm squared) and tape it to the floor. The last reading taken was 95 and we were told it would need to come down to 75. you need to dig up the old concrete then lay a couple inches of sharp sand. A: A damp proof membrane (DPM) is a thick plastic sheet used as a waterproof barrier between a concrete subfloor and wood floor. or self level to adhere to. 2. The DPM we use does not cancel all moisture out as this will end up. She has ground water under the garage that comes through the concrete. 2. If it’s solid wood you need a surface dpm. In this article, I am going to give you the low-down on liquid DPM, where and. 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. Model No: DPC225. £36. Made from recycled materials. This can include timber floors, tiles, laminate flooring and carpet. One solution is to dig up the floor and replace the existing damp proof membrane with a new plastic membrane then relay the concrete slab. 70 Ex VAT. This 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. Membranes. 64 Inc VAT. NDC 1200 Gauge Blue Damp Proof Membrane - 4 X 5m (75) £28. How to apply Damp Proof Paint. A damp proof membrane creates a barrier to prevent moisture from rising and damaging or affecting an area. 50 /sqm. After moving into a 1960s house we had a flood that started lifting old vinyl tiles under the carpet. 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. Now, cut a small square of plastic (approx. 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. Liquid damp proof membrane can be applied to both floors and walls using various methods such as brush, roller, or spray. These can over time allow a build up. Once dry apply two coats of Drybase® Liquid DPM as normal. #2. Can be easily applied by brush. 6 m2 1. When installing an underlay process, roll out the damp-proof membrane the same way you do a carpet and cut to size. 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. Now you are ready to lay the damp-proof membrane. An insulation foam board needs to be laid directly on top of the concrete floor. 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. Holds back rising damp where a damp proof membrane is either missing or defective. Available in 5 Litre and 22. Damp proof for concrete floor. If the moisture problem isn’t that bad, you could use a liquid membrane and see if it will fix. Has anyone had experience of this, can i do it?For instance FS Epoxy Sealer (2 pack water based epoxy coating) can be used once the moisture content is less than 10% and the concrete is a minimum of 14 days old, FS Epoxy Coating (solvent free. Most damp-proof floor coatings are applied directly to the concrete floor surface using a brush or roller. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. DIYDave. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. Tax: £18. Once applied, it cures to form a flexible and elastic membrane that. Plenty of cement/latex/fibre. 2. It helps to prevent damp and moisture from entering the building’s structure and interior. 25 Ex VAT. Would that be ok or would it sink?. It should accommodate 0mm to 5mm (or thereabouts) It will cover an area of 26m2 (4m x 6. Laitance must also be removed from concrete. Can be easily applied by brush. It is not suitable as a bond. Damp proof membranes can be used to help resolve damp issues which already. ARDEX DPM is a solvent free, low viscosity, two-component epoxy resin. 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. 1. Bostik's damp proof membranes provide essential moisture mitigation and suppression for subfloors, helping to protect your installation for years to come. PU280-S. 00 € 60. Floors, Stairs and Lofts. 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. • 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. 80 Inc VAT. Old coal cellar, half is decent concrete but the other half has a bitumen type coating already. 5kg Tins of Epoxy DPM. For damp concrete floors, it is recommended to apply the membrane in two coats. This method is very costly and extremely invasive. Replacing a concrete floor. Screeds and toppings should be specified only where placing and finishing the concrete floor to acceptable standards is impracticable. BAL DPM is resistant to water, chemicals, grease and pollutants, and can be used internally or externally either as a DPM, primer, waterproofer or residual m. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. HydraDRY Tanking Slurry. 3 bar/65psi for 14 days (ASTM C1306-05a)DIYDave. Limitation: Do not directly bond wooden flooring to Drybase® Liquid-Applied DPM coated concrete. Contractor wants to paint Sika Primer MD on top of the self leveling compound. case of un-bonded screeds. 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. Ikopro Synthaprufe Trade Damp Proofing Liquid - 2. NDC 1000 Gauge Black Damp Proof Membrane - 4 X 3m. I applied this to the floor in two coats. That’s assuming quarry tiles are in good condition, no loose tiles, no known problems with major damp, no issue with raising floor height by leaving tiles in place, etc. Sika Rapid DPM (Damp Proof Membrane) is a solvent free reaction curing resin for use on cement based substrates. When doing timber framing, set framing flush to outside of brickwork. As a result, it’s important, particularly if you’re planning a DIY installation, to ascertain the best way to fit your floor. Visqueen High Performance Damp Proof Membrane. Add to Basket. . Their purpose is to prevent moisture transmission from the soil through the substrate, in accordance with Building Regulations. Add to Basket. Liquid Epoxy DPM . 6mm is needed to provide a physical barrier. is this a concrete ground floor? were the marleytiles stuck down with a yellowish adhesive, or a black, bitumous coating?. Like the liquid coating above, it provides a barrier to water entering the property. DPMs can also be used to form. ARDEX DPM has excellent. Liquid Epoxy Damp Proof Membrane - 5kg. The floor DPM range manufactured by Capital Valley Plastics is designed for use with solid concrete floors. 2 Surface finish ScreedsUse a Vapour Barrier Membrane or Damp Proof Membrane. 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. Withstands 98% RH. It is used to suppress residual moisture in concrete and sand/cement screeds allowing early installation of floor coverings. If you have a engineered wood floor and your new slab is dry below 75%rh then technically you don’t need one. 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. Renders and Cured for min. Once applied, it cures to form a flexible and elastic damp-proof membrane. USES For priming, consolidating and sealing of: Absorbent and non-absorbent sub-floors, consolidat-ing weak cement screed and isolation of old adhesive residues. 6. Manufacturers will be able to advise. DPM Membranes for Concrete Floors . Liquid Damp-Proofing Systems. Drybase Liquid DPM is recommended for use on concrete, masonry and embedded timbers in above-ground applications. Virtually solvent free liquid epoxy resin damp-proofer. The damp is all in the lower part of the walls (the first couple of feet) and is particularly bad in the skirting boards (some of which have. The membrane is a tough structural material and is often used as part of basement waterproofing solutions too. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. link with wall DPCs to form an impervious barrier to prevent moisture reaching the interior of the dwelling. So I have a concrete floor in the kitchen (concrete - DPM - 50mm screed), knocked through into the outside toilet which just had soil floor. The polythene damp proof membrane (DPM) – generally a 1200 gauge- can now be rolled out into place ensuring the perimeter abutments are adequately covered. Roller applied, Hydraguard is a Liquid Damp Proof Membrane used to limit moisture release; improve the strength of substrates; seal pin holes and air pockets and provide an enhanced surface for bonding for subsequent coatings. The product is applied in two coats. Epoxy Damp Proof Membrane 2. Withstands 98% RH. Suitable as a damp proof membrane on solid concrete floors. attack but is designed to be over-coated with other resin finishes. I have attached a photo after removal. It is applied in the same manner as ordinary emulsion paint with the added benefit of application in damp conditions. The concrete slab I poured for my utility room extension is slightly uneven - a small dip into the centre. Features. 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. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. A decent fitter will test the slab for you before fitting anyway. Isolates damp substrates for new floor finishes including carpets and laminated flooring. £. 60 per L. If the coating is not for your final decorative surface. There is no damp proofing on the floor. Our epoxy DPM products create a new damp proof membrane in a highly. Mapeproof One Coat is used on cementitious floors with residual or constructional moisture levels of above 75% RH and below 97% relative humidity prior to the installation of resilient floor coverings. 1 Year Guarantee. Limelite Easy Bond 5kg - Breathable Primer £55. ft. 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. Clean quarry tiles. The same larger hole after I cut back some of the sandy concrete. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. In about 6 hours, it may be completely hardened and ready for use, depending on the flooring material being installed on top. External wet concrete should be allowed to dry thoroughly or sealed with one coat of ARDEX HydrEpoxy WPM 300 as above. Drybase 2mm Plaster Membrane Mesh (2m x 20m) - Low-Profile Plaster Membrane For Use on Damp Walls. For example, if there is a significant problem with damp rising through your quarry tile. £300. These products are relatively simple to apply, although significant surface preparation work is usually required. 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. Once the DPM is applied you need a laytex screed, so your adhesive and karndean stick to it. Radon gas barrier installation. 01/12/2021. A liquid-applied DPM (damp proof membrane) is a simple solution and an excellent way to damp proof a concrete floor. With that said, there are various options when you are damp proofing a concrete floor. Provides a flexible and resilient barrier to penetrating damp on walls and floors. View all: Sika Waterproof Sealants. Add to Basket. Drybase® Liquid-Applied DPM is suitable for use on solid floors, embedded timbers and floor-to-wall. The floor is also damp, which I am going to treat with a liquid DPM. It protects a subfloor, keeping it warm and dry for long-term use. Technoseal Floor DPM. 2kg/m². Drybase® Liquid-Applied DPM is suitable for use on solid floors, embedded timbers and floor-to-wall. IKOpro Synthaprufe Trade is easy to apply and provides damp proofing for concrete floors, foundations and masonry walls below, at or above ground level. 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. Showing 1–15 of 21 results. Drybase Liquid-Applied DPM is water-based. 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. 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. You are essentially painting a concrete floor, after all! But it is an effective way to do it. 99. Effectively, a damp proof membrane (DPM) is used to create a barrier between a concrete (or screed) subfloor and a wood floor. It had lino down, which I lifted up last night and it was very damp and a bit mouldy underneath. 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. It is ideal for use on damp floors and walls. Test Area CoverageTwo-component, single coat application, damp proof membrane for controlling residual and constructional moisture in cementitious substrates. 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. A decent fitter will test the slab for you before fitting anyway. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. 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. Which type of coating is chosen will depend on the intended use of the floor. • 5L tin offers coverage of approximately 6. 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. It is. After nearly a year the smell had still not gone. A liquid-applied DPM (damp proof membrane) is a simple solution and an excellent way to damp proof a concrete floor. Brian McNaughton & Son Ltd. 100% solids, high build coating; Virtually solvent free liquid epoxy resin damp-proofer; Withstands 98% RHTesting the Floor’s Moisture Level. The underlay of the laminate flooring includes a thin plastic sheet that covers the concrete floor right up to the skirting. If the coating is not for your final decorative surface. Liquid DPM to reduces the potential mois-ture related problems. How does a Liquid Epoxy Damp Proof Membrane work?I don't know anything about using damp-proof membranes. Last edited: Sep 2, 2010. An advanced, ready-to-use, chemical damp proofing formula which forms an effective. Damp proof membranes are installed in all new properties as a way of protecting from damp. T ·Öà 4. Step 5: Apply a Damp-Proof Membrane. Small hole dug through 2" soft sandy concrete to reveal hardcore and soil. 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 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. £. Prevent moisture penetration with a damp proof membrane that can be painted under your solid wood, real wood and laminate floors. 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. Apply with simple hand tools or with a brush, paint roller, or. weberfloor DPM is a two-component epoxy based chemical damp proof membrane that is capable of being applied in one coat, dependent upon the condition of the substrate and quality of workmanship to ensure full coverage is achieved at the required thickness. € 80. I'm not 100% convinced they are asbestos tiles - but I best err on the side of caution. Use 1000 gauge or thicker – ideal for this is the polyethylene use for the DPM under your concrete subfloor. 00 Inc VAT. Walls appear to be dry & are mainly concrete block. The vinyl that was laid bubbled up, so contractor removed it. weberfloor DPM can be applied on substrates such as concrete and cement-based levelling compounds. 5%CM (~ 4% Tramex) for a concrete subfloor indicates that a suitable damp-proof membrane must always be installed – either a 2 coat/2 part liquid layer (e. Self levelling compound. Alternatively, liquid DPM solutions based on reaction resin systems which can be applied on top of the substrate to control moisture up to 98% RH. Oldroyd Xs. When mixed together and applied to a concrete surface it forms a barrier against the passage of water and is tolerant of residual moisture in concrete floors. Tramex reading at the time of vinyl removal was 3-4+. If a DPM has failed or perhaps was never installed in the first place, the features. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete. Hi there. House built in 60's. A Liquid Epoxy Damp Proof Membrane (DPM) is often used as a remedial solution where an existing DPM has failed or was never installed. If the coating is not going to be the final decorative surface and a floor covering will be applied afterwards then a ready-to-use latex-based coating, such as. A very hard surface that is impervious to moisture is produced once the liquid membrane has been put into the concrete and has dried. 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. Sikalastic®-800 HA is a two component, solvent free, highly elastic, virtually odourless polyurea based waterproofing membrane. To determine the most suitable and cost-effective surface. The second coat should be applied as soon as the first coat has completely dried (typically 18 to 24 hours). It is supplied ready to use. Step 3: Lay the watertight membrane. P. The tiler can then latex or screed over the DPM. Hold up the low end of the level until the bubble is in the middle and then measure the gap between the floor and the raised end of the level. Resistant to frost and salt attack. weberfloor DPM can be applied on to concrete or cement based screed. OK stuck - Liquid DPM, concrete floor and a pipe. Delta Water Based Epoxy Resin is suitable for all applications where concrete or masonry requires waterproofing and protection. Sikabond Rapid DPM is a solvent free reaction curing resin primer and damp-proof membrane for cement based substrates. Cures in half the time of conventional epoxy based surface damp proof membranes. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. Damp Proof Course (DPC): This is a membrane used in walls to prevent the passage of moisture. Apply in Two Coats. Wood and Beyond propose the use of vapor barrier with all. Coverage: A minimum dried coating thickness of 0. Niavly I thought this would air out. DynamiteMatt; 17 Dec 2013; Floors, Stairs and Lofts; Replies 1 Views 1K. OK stuck - Liquid DPM, concrete floor and a pipe. Waterproof. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. 0. Dryzone Anti-Mould Additive - 100ml. 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. In this video I apply a damp proof membrane / tanking slurry to a concrete floor to stop moisture coming in to the building where we have issues with mould a. You are essentially painting a concrete floor, after all! But it is an effective way to do it. There are various types of damp-proof membranes available, including liquid membranes and sheet membranes. Virtually solvent free liquid epoxy resin damp-proofer. Our gas barrier installation instructions relate to this membrane. The DPM will be laid first, usually as a liquid product 'painted or trowelled' onto the concrete surface, then the screed laid over that. weberfloor DPM can be applied on substrates such as concrete and cement-based levelling compounds. Add to basket. Produced from Recycled Material. If it’s solid wood you need a surface dpm. £107. apply two coats of Drybase® Liquid-Applied DPM as normal. 00.