Ready to use. product and the atmosphere should not be condensing. 7 Latest Foundation ideas slab foundation, concrete, foundation. 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. Mix. Looking at the plans of the house it mentions the following for the floor construction: 1. £. Thanks for the response. Country. rogerk101, Mar 13, 2020. Two part epoxy-based surface damp proof membrane. Two-component, single coat application, damp proof membrane for controlling residual and constructional moisture in cementitious substrates. weberfloor DPM is an effective moisture suppressant membrane for over sealing cementitious surfaces which contain high levels of residual construction moisture and. Can be applied to damp surfaces. I want to ensure the up. 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. How to Damp proof a floor and walls using synthaproof as a damp proof membrane is shown in this tutorial. Up to 10 years warranty on selected items. Applications. R. Top 5 Concrete Sealers. Provides a flexible and resilient barrier to penetrating damp on walls and floors. Category: Floor Treatment Tags: Damp Proof Membrane, Damp Proofing. Add to basket. The same larger hole after I cut back some of the sandy concrete. A damp-proof membrane is a layer of material usually laid below concrete floors during construction. However, this option may not be the best solution in many circumstances. wet coating. It is available in black or white with a consistency similar to that of thick emulsion paint. Ready for your floor finish. 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. £30. #4. • Protects walls and floors from water ingress and dampness. About this product. The first answer is to paint the floor with SBR and neat cement in a 1:1 ratio then any cementitious will stick to that and it’s waterproof / condensation proof. You also mentioned that there are vinyl tiles over the floor. I've used the two part resin on a damp concrete floor in an old Victorian place. 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. case of un-bonded screeds. The concrete floor might only be 6 years old but theres no way of knowing if the DPM underneath was. very rough concrete like a garage floor. We are proud to have over 20 years experience of. Clean quarry tiles. Stauf VPU-155 S DPM solvent free polyurethane primer: is a ready-to-use, one component polyurethane primer is particularly fast drying. Like 2. Thin Micro-ToppingProduces durable surface to color or stain. Add to Cart. 5 % Tramex). Add to basket. Suitable for heavy wear areas, concrete floors where a DPM has failed or was never installed, or areas of damp concrete which cannot be surface dried prior to painting. Ensure that the joint between the bottom of the plasterboard and the floor is sealed. ARDEX DPM 1 C. In particular, this can include permanently damp concrete floors or where the DPM (Damp Proof Membrane) is. 11 Aug 2022. £750 - £3,000. I wanted to self-level the floor using mapai ultimate leveller 1210 and Secrete Ulitmate Primer for adhesion. Rapid Set Skim CoatRepairs, levels, and smooths concrete for applications. 100m² per roll. The DPM membranes are available in 4M x 25M rolls as well as a handy pack ideal for smaller jobs. The vinyl that was laid bubbled up, so contractor removed it. Might be worth having the floor checked properly first though as it sounds like you may have existing problems going by what you have already said. It helps stop moisture passing from one to the other. #3. . Two coats will provide protection up to a maximum hygrometer reading of 95% RH. RonaScreed DPM is also suitable for use prior to the application of tiles, soft flooring or wood. 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. Screed above dpm. To provide additional insulation, tongue-and-groove wood-fiber board. However the chance that the floor tiles or adhesive can release fibres and become respirable when disturbed is very low. 23 Jul 2018. DPM Floor Membrane above Concrete Drybase Liquid-Applied DPM (1 L White) (In stock) ☆ ☆ ☆ ☆ ☆. Drybase® Liquid-Applied DPM is suitable for use on solid floors, embedded timbers and floor-to-wall. Best Penetrating Sealer: Ghostshield Siloxa-Tek Concrete Sealer. It should accommodate 0mm to 5mm (or thereabouts) It will cover an area of 26m2 (4m x 6. Dust, dirt, oil, grease and other contaminants should be completely removed. Laybond Screedmaster One Coat Liquid DPM 2 part solvent free epoxy surface damp proof membrane developed to suppress residual moisture affording protection for the floor coverings, adhesives, smoothing compounds and primers used in flooring installations. Laitance must also be removed from concrete. Add to basket. Property is mid 1960s, solid ground floor. Small hole dug through 2" soft sandy concrete to reveal hardcore and soil. 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. A vapour barrier, on the other hand, is a damp proofing product attached to a wood floor underlay to reduce moisture passage. Once the floor is even it should be completely cleaned. S. I agree, looking at the liquid DPM's that Wickes do I'd say you'll struggle to get someone to guarantee tiling on them would be ok, sorry!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. dried sand broadcast into the wet. Features. Produced from Recycled Material. 30811761. £36. I’d like to install a liquid DPM but currently have an existing screeded concrete floor that sits above the DPC. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. I want to avoid digging it up if I can. If the straightedge tips to one side, your floor may have a raised bump in it. RonaScreed DPM is also suitable for use prior to the application of tiles, soft flooring or wood. No, I’m referring to the liquid DPM you put down today and you wish to lay flooring on tomorrow. One high build (250 microns) coat is usually sufficient. Suitable for. 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. Applications. Prevent moisture penetration with a damp proof membrane that can be painted under your solid wood, real wood and laminate floors. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. Acts as a bonding agent for plaster and curing agent for concrete. The booklet covers topics such as joint isolation, thin set tile, termination, and utility finish. A suitable gauge damp proof membrane (DPM) and thermal insulation must be provided. 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. Withstands 98% relative humidity. This enables earlier access onto the floor for the application of screeds, coatings and other floor coverings including tiles, vinyl, wood and carpets. Sikalastic®-800 HA is a two component, solvent free, highly elastic, virtually odourless polyurea based waterproofing membrane. Cement screed is the most commonly installed type of screed and averages around £12 per sqm. For solid wood the absolute maximum moisture level in concrete is 4%, ideally it should be nearer to 3% - your flooring manufacturer should have issued Tech Info sheets which cover their requirements in detail. Quarry tiles are installed on the solid concrete slab which is a good. Tramex reading at the time of vinyl removal was 3-4+. For mastic asphalt, wood block and strip, and some textile floor coverings, a non-slip finish is appropriate, while thin sheet. Browse our selection of damp roof membrane (DPC) for use on concrete to prevent moisture from seeping through layers of flooring. Can be used where a structural DPM is not present or is ineffective. Up to 10 years warranty on selected items. Apply wall. 99. Step 3: DPM Application. 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. I need to put down a damp proof membrane and self levelling compound on top of that. 5 Litre Containers, in Black colour only. Self levelling compound was laid straight on top of the concrete floor (with no primer). The membranes can sit above or below the slab. After the final application of EP40. Resistant to frost and salt attack. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. #1. 00 Excl. If you are getting 8 to 9% MC on concrete then you really need a DPM (or maybe the right meter, brick isn't concrete). 24-month shelf life. Limitation: Do not directly bond wooden flooring to Drybase® Liquid-Applied DPM coated concrete. Liquid epoxy DPMs are ideal for concrete floors, such as garages, where the original damp proof membrane is missing or has broken down. 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. How to apply Damp Proof Paint. It should be waterproof to prevent any rising damp getting through. This is supported with netting tacked into place. 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. If the coating is not going to be the final decorative surface and a. Contractor wants to paint Sika Primer MD on top of the self leveling compound. Liquid Epoxy DPM - 2. Ive used liquid dpm on a concrete sub floor but for some reason it isn’t drying quick enough. Walls: Can be used under render or plaster as a water barrier or. 41. Standard sand & cement screed, dries at approx 1mm per day, depending on variables. Damp Proofing Concrete Floors With Liquid Membranes. 5kg. £36. It's brilliant stuff and the new glueless karndean can literally just sit on top. 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. 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 [email protected] DPM for walls & floors. e. Mostly only one coat is required and is very simple to apply. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most. For moisture content and quality of substrates the guidelines of the wood floor manufacturer as well as standard construction rules must be ob-served. Contact. Suppresses residual. a) 3 coats of synthaprufe liquid DPM to wall running 1 course below DPC and 2 courses above. #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. 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. (3 Reviews) £22. Country. Use on concrete floors as an alternative to polythene. ARDEX DPM 1 C. Please Note: Most wood floor manufacturers state a maximum substrate moisture content of 2 % CM (ca. The existing concrete floor can be used as a base, however a new damp proof membrane (DPM) will need to be introduced. 1. 5m) It will have 50mm insulation boards on top of it, followed by 18mm/22mm. 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. Most important thing here is to prime the bitumen and concrete repairs to get a good bond between tile adhesive and floors. Epoxy resin damp-proof membrane . Liquid-applied membrane (LAM) is a monolithic, fully-bonded, liquid-based coating suitable for many waterproofing and roofing applications. Speak with a technical adviser if unsure. Limitation: Do not directly bond wooden flooring to Drybase® Liquid-Applied DPM coated concrete. The black layer is possibly the adhesive from the previous floor such as thermo plastic tiles or parquet. 4. Tiles came up very easily with zero bitumen attached. A ready to use liquid-applied damp-proof membrane. A damp-proof membrane is a layer of material usually laid below concrete floors during construction. Best Sealer Overall: TotalBoat Concrete Coating. Liquid DPM 5L Rating: 100%. Once applied, the product cures to form a membrane that is flexible and elastic. Drybase Liquid-Applied DPM is a single-pack barrier coating that is supplied ready to use. Hi, I had a kitchen extension built with a concrete floor approx 18 months ago. There is no dpm under the concrete slab so I will be coating the floor and walls with ka tanking slurry. Internal or external applied waterstops based on PVC, TPO or galvanised steel for construction and movement joints. ON AVERAGE: £20 – £40 PER SQM. and then apply a second coat with kiln. Drybase® Liquid-Applied DPM is suitable for use on solid floors, embedded timbers and floor-to-wall. Ideal for floors with damp or rising damp problems. Preparation is the main thing for the layers, and the substrate should be dry and clean. 4M X 5M 500G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. It helps to prevent damp and moisture from entering the building’s structure and interior. Primer to the surface and allow to cure. #5. Your solid floor is porous (which is normal), trouble is water is getting into it either from underneath or from the sides. Let’s take a look at how these membranes function. Universal DPM allows immediate installation of moisture sensitive floor finishes onto damp concrete and screed. It is available in red or yellow, in 5 or 10kg units, and has a fast curing time of 12 hours minimum. Virtually solvent free liquid epoxy resin damp-proofer. DPM is Laid and Sealed! » Roselea. 19. I've got to raise the floor up slightly with a deep base leveling compound. 4M X 5M 500G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. Old pre 1960's house with a concrete ground floor. • Weatherproof protection for walls, above-ground structures and foundations. 3. When designing Type A structures (as classified in BS. Ground-bearing concrete floor slabs should be protected against ground moisture by providing a continuous damp proof membrane (DPM). Tile brands such as Bal, Ardex, Tops, etc all sell tile primers with fancy names ! Can simply use SBR diluted, follow instructions on bottle, likely to be 1-4 water, then apply 2 coats. We’re specialists in supplying and installing liquid flowing floor screeds to customers across the Midlands. weberfloor DPM can be applied on substrates such as concrete and cement-based levelling compounds. If its not right. As long as your dpm is lapped and bonded with your dpc your internal floor level can finish higher than your dpc, although can cause issues with external door opening,generally your finish floor level would be gauged with dpc to finish at the same height. 00 Inc VAT. Developed to suppress residual construction moisture in cementitious subfloors including power floated concrete and sand/cement screeds. [3] 4. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. Hi there. 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. This system reduces the need for intensive preparation and priming. Liquid damp proof membrane For existing concrete floors, you can also apply a liquid damp proof membrane, which provides a retrospective damp proof membrane. popandu, Jul 17, 2015 #12. Liquid DPM 5L. Add to basket. Liquid DPM to reduces the potential mois-ture related problems. The installation of liquid damp proof membranes is a vital stage in the building process, for both new builds and refurbishment work where a structural DPM may be missing or. Liquid dpm would do a job if you have a good clean floor and no existing damp issues. This method is very costly and extremely invasive. 00 Ex VAT. When stripping the bathroom, the area under the bath tub was bare concrete, lower than the rest of the "black" floor throughout the property. You should always begin at the far point of the floor to ensure you do not need to walk over it after application. Since 1991, Polycote have laid millions of square metres of epoxy floor paints and coatings in almost every environment throughout the UK. 5 odd inches. We provide excellent results through our liquid screeding and concrete flooring services. DPM Primer is a system for substrates that have a residual moisture level greater than 75% RH. Tanking and waterproof render up to a metre high will help, alternatively, do what they did 100 years ago. I have a fairly damp & uneven concrete floor, probably about 20 years old or more. MR HARRY Member. Suitable for extensions, basements and cellars. Mix. It helps to prevent damp and moisture from entering the building’s structure and interior. This is supported with netting tacked into place. Answered 27th Feb 2012. 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. 00 Inc VAT. The only way to tell properly, is to carry out a proper test. • 5L tin offers coverage of approximately 6. Then 100mm insulation and 18mm ply as a floating floor system. I’d look up the manufacturers guidelines if I were you because if the floor warps at all then you’ll have no recourse with the manufacturers as they’ll say there was moisture present. Broom Overlay Mix 6000 PSIAdd water and mix - Grey or white. Brian McNaughton & Son Ltd. advise that you apply one coat of DPM. Description. Once dry, Arditex NA, a latex based self levelling compound, was applied. These products are relatively simple to apply, although significant surface preparation work is usually required. I've moved into an old stone cottage and am looking to get wood flooring in the living room. Where oil and grease are present it should be treated with a degreasing. The chap who will be installing the wood floor has tested the concrete and the moisture readings are high; upto 85%. Jul 13, 2011. £36. 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. If your slab is above DPM, I cannot see why you say. Liquid damp proof membrane (water based bitumen) applied in several coats directly to the concrete floor with a roller or brush. It is available in clear. 1. The specific liquid DPM system will depend on the type of substrate or screed. Then lay a self leveller on top of this before tiling over that. Only problem is the thickness of the screed (max 4mm unless you bulk it out with sand?). This can only normally be guaranteed if its an new build or extension and most houses have been sold, inherited etc. 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 bitumen adhesive also contained the same asbestos fibres. Anhydrite screed usually costs in the range of £15 – £20 per sqm, mastic. Gallery. ARDEX DPM 1 C R can be applied to give a dry film thickness of 250 microns where all surface. If the coating is not for your final decorative surface. 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. Technoseal Floor DPM. Any help would be appreciated. Would that be ok or would it sink?. 30mm. Before applying the damp proof paint, stir the contents of the bucket well. 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. Step-by-step guide for how to apply liquid DPM for concrete floors. Still have moisture coming through (I think), and after further reading, 50mm of concrete is required to 'hold it down' and stop penetration. Liquid DPM can be applied to the base layer using trowels, rollers, squeegees or brushes. The product is applied in two. The wrong adhesive being used to lay the vinyl, or. I'm not 100% convinced they are asbestos tiles - but I best err on the side of caution. Needs a liquid dpm and smoothing from 7 to 25 mm. I will then go about levelling the floor, adding in a liquid DPM, more levelling compound and vinyl tiles as the finish. Speak with a technical adviser if unsure. 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. 33. This enables earlier access onto the floor for the application of screeds, coatings and other floor coverings including tiles, vinyl, wood and carpets. £. e. Liquid Screeding. whats wrong with screeding up the floor then using a liquid dpm which will stop any damp also then fully stick down the. 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. Last edited: Sep 2, 2010. Will applying liquid DPM cause issues if the screed sits above the DPC?. Hi, We've just finished pulling up old quarry tiles ready to fit new Porcelain tiles throughout! Had to remove quarry's due to levels of external doors, were unsure what the subfloor is beneath the quarry's, I believe the property is prone to rising damp seeping through subfloor as no DPM. #4. 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. dried sand broadcast into the wet. 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. Covering the concrete with plastic can help to keep it cleaner and stop it from cracking. 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. Sika Code 175129. Drybase Liquid-Applied Damp-Proof Membranes 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. Add to Basket. Sika Rapid DPM (Damp Proof Membrane) is a solvent free reaction curing resin for use on cement based substrates. 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. Drybase 2mm Plaster Membrane Mesh (2m x 20m) - Low-Profile. DPC is located around the perimeter of the walls whist a DPM is hidden under the floor slab or screed. 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. In addition to our office based Technical Department, we employ a highly experienced team of 25 Area Sales, Contract and Business Development Managers, who are available nationally to offer advice, support and training, not just over the phone, but in person and on-site. rogerk101 said: ↑. #1. 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. When mixed thickly it can be used vertically for surfaces such as cellar walls and storage tanks. Drybase Liquid-Applied DPM is a single-pack barrier coating that is supplied ready to use. Time is saved on floor preparation as the need to re-screed the floor or use a liquid DPM, the mixing of epoxies and adhesives have been removed and you don’t need to wait for. However the instructions of the compound are that it needs to be placed on a surface which is not subject to rising damp. Ideal for waterproofing structures, such as culverts, retaining walls and bridge abutments, this Black Jack DPM is also commonly used for general waterproofing. Available in 5 Litre and 22. Use on concrete floors as an alternative to polythene. The floor was vacuumed before applying Aredx DPM IC, an epoxy liquid Damp Proof Membrane (DPM). 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. 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. 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. 5kg. where the ground was uneven or where there were soft spots below the slab, it might be reinforced with a mesh. #5. Water is added to ensure a thorough mix and to aid workability. Reaction score. PermaSEAL Damp Proof Paint 5L. How to install a liquid damp proof membrane. To provide additional insulation, tongue-and-groove wood-fiber board. Is there a suitable, less messy alternative perhaps?DandDflooring. [email protected] Nov 2016. CONCRETE FLOOR 8 9 Our refurbishment system is ideal for older properties with damp or contaminated floors. Ready to use. The vinyl that was laid bubbled up, so contractor removed it. Using a spirit level to check the level of a floor and measure thickness of screed required. The floor is old concrete and dips ~25mm in the middle. 99. External wet concrete should be allowed to dry thoroughly or sealed with one coat of ARDEX HydrEpoxy WPM 300 as above. 5m) It will have 50mm insulation boards on top of it, followed by 18mm/22mm. com ARDEX offers a range of liquid or surface Damp Proof Membranes (DPM) to protect the floorcovering from residual construction moisture and rising damp, when a structural DPM is damaged or missing. Flooring guy says as a last resort we could use a liquid DPM on top of the screed but he’s worried that will trap moisture between the new DPM and the one under the concrete and would rather dry out naturally. Durham. DPM Membranes for Concrete Floors ; Damp Proof Course; Damp Proof Paint;. The product is applied in two coats. Find out the benefits, advantages and steps of installing a liquid epoxy DPM for existing or new concrete floors. The schedule of works from the loss adjuster (provided by Blyth Group, contractor), says the following regarding the floor: Apply self-levelling compound. so the whole floor is 25mm lower and then just use a self-levelling compound Pros. I'm not 100% convinced they are asbestos tiles - but I best err on the side of caution. Water is added to ensure a thorough mix and to aid workability. Now the floor is flat the DPM can be applied to seal the concrete. A liquid DPM such as Bostik Cempolatex Moisture Suppressant must be applied in two coats. 00. Drybase Liquid-Applied DPM is water-. £30. It seems like a self levelling floor compound is the best way to go. Many damp-proof floor coatings are used directly on the concrete floor surface with a roller or brush. 1, your new concrete will need drying time, approx 1 month for every inch, then a DPM is required. It is a highly effective membrane designed to be easy and quick to paint on (unlike others on the market). Liquid DPM onto the concrete slab, then lay insulation above this and then lay electric mat underfloor heating on top of this. £300. Should take 3 days, tops - day 1 to empty the garage, scrub and clean the floor, and let dry (whack a fan heater in there to help). Our epoxy DPM products create a new damp proof membrane in a highly. 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 available in black or white with a consistency similar to that of thick emulsion paint. 100% solids, high build coating. I need to put down a damp proof membrane and self levelling compound on top of that. Damp proof membrane paint is a liquid DPM that blocks the action of penetrating damp on floors, ceilings, and internal walls. Showing 1–15 of 21 results. Dig it all up (Its possibly up to 50mm thick) Then lay DPM/Visqueen sheets tanked up the walls and lay new concrete or use an epoxy liquid DPM tanked up the walls and lay a deep base screed. Water under tiles. 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. 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. 2 coats liquid DPM.