P. , 1/8 in. Prices will vary on floor area, depth of screed and site location. 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. A liquid-applied DPM (damp proof membrane) is a simple solution and an excellent way to damp proof a concrete floor. It might seem a bit unusual. 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. A suitable gauge damp proof membrane (DPM) and thermal insulation must be provided. 99 Inc Vat. The build up of a ground floor would typically be: DPM, Slab, Insulation, Vapour Barrier, Floor Screed. Tape or tie the string to one side of the room. 40 Kg CO 2. personally i would concrete the whole floor to a level finish and paint it with anti slip. Iam a floor layer with 25 five years experience. ECS Epoxy Floor Coating is applied in two coats. Am I correct that I should be doing the self leveller first, then applying the liquid DPM? (Otherwise it won’t adhere and the screed will fail) and if so, could anyone. Can be used over underfloor. Obviously if its a surface DPM you dont have a few inches of concrete to weigh it down. For traditional screed, the usual total will fall within the range £18. under laminate, tiles, screed, plaster and wooden floors) Gas barrier for CO², Methane and Radon Flood resistance Primer for replastering to stop salt attack. Use 1000 gauge or thicker – ideal for this is the polyethylene use for the DPM under your concrete subfloor. Like 2. Once set, you can then apply your screed flooring to the DPM base. Damp proof membrane for walls. DIYDave. Can be used as a damp proof membrane and as part of a designed structural waterproofing system. 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. It should be folded into the. When dry, a sand/cement or concrete screed of ap-proximately 50mm thick is then laid over the EVER-WP60 Liquid DPM. If there was no dpm I would suggest a uniformal distribution across the whole floor. you risk voiding the warranty of the flooring by not installing on a dust free, flat smooth surface. £2,000. Rather than a liquid DPM you might be better using something that will continue to allow moisture out of the concrete e. £. HydraDRY Tanking Slurry. Spray, brush and roll applied. I would liquid DPM first after giving floor a good sweep and hoover to remove loose material, Black Jack by Everbuild is good, 2 coats recommended, follow instructions on tin. Liquid-Applied Membrane. Our products are all carefully selected by our in-house experts to provide the highest level of protection for your property. Also acts as a waterproofer for walls, above ground structures and foundations. 00. the only issue you will have is when driving into the garage consider the floor although not level pretty flush with entry. Insulation with be internal PIR. Can be over painted after 16 hours with most types of floor coatings. they are for suppression of residual moisture. weberfloor DPM can be applied on to concrete or cement based screed. Ideal for Use in Basements/Cellars but may also be Used as an External Coating for Concrete, Brick, Block & Bonded Renders. Jord86 Screwfix Select. If you choose to lay the flooring straight onto the concrete then its advisable to carry out a damp test and if the results are more than 8% RH (relative humidity) 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. Effectively, a damp proof membrane (DPM) is used to create a barrier between a concrete (or screed) subfloor and a wood floor. Typical values for moisture sensitive floor finishes are less than 0. A solvent free, two part epoxy resin coating, typically used as a surface damp proof membrane and a water vapour suppressant. Our easy to install range is available in various thicknesses up to 0. STOPGAP F78 impedes the passage of residual construction moisture from affecting subsequent floor covering installations, therefore. The edges of the DPM should have been flopped up the walls, say, 300mm and later trimmed back to suit. IKOpro Synthaprufe Trade is easy to apply and provides damp proofing for concrete floors, foundations and masonry walls below, at or above ground level. Suitable for the damp proofing of interior masonry wall surfaces. DPM is also suit-able as an adhesive for wood block and mosaic panels, insulation boards, expanded polystyrene, cork and as a plaster bonding agent, even on difficult surfaces. kez, Apr 22, 2019. Delivery Next day available. The VPU-155 S is a versatile primer easy to apply by either trowel. BAL DPM is resistant to water, chemicals, grease and pollutants, and can be used internally or externally either as a DPM, primer, waterproofer or. g. Could use sand/cement mix if ‘craters’ are. Below Floor Screed 1. Liquid Composition. rogerk101 said: ↑. 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. 175129. Steele Wood flooring. Drybase Liquid-Applied DPM is a single-component two-coat paintable damp-proof coating that is easily applied to substrates by brush, roller, or spray. The product is applied in two coats. Drybase Liquid-Applied DPM is a single-pack barrier coating that is supplied ready to use. £20 per m2. 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. The plan was to lay American Black Walnut but the hallway floor was not level. , Jan 22, 2021. ) so I am aiming for Bison +45mm as finished floor level. such as Drybase Liquid Applied DPM, can be used. With a consistency similar to that of thick emulsion paint, it's suitable for use on solid floors, embedded timbers and walls. Larsen Universal Epoxy Flooring Damp Proof Membrane. Hazard safety codes: Xi, R34/R35, R36, R37, R38, R50. Then SL, this will take care of the craters and uneven sections from remaining tile adhesive. A damp proof membrane creates a barrier to prevent moisture from rising and damaging or affecting an area. Brief background: After buying a 1960s semi in south Birmingham house last year, and spending the summer managing (a) complete rewire; (b) installation of satellite and Ethernet wiring to all rooms; (c) plastering to make good chasing from (a). 21 Sep 2016. Two Pack. 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. The edges of the DPM should have been flopped up the walls, say, 300mm and later trimmed back to suit. . 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. How to install insulation in a suspended beam and block floor. Once dry apply two coats of Drybase® Liquid DPM as normal. PU280-S. Generally these systems are a range of cold applied liquid waterproofing coatings. It is available in black or white with a consistency similar to that of thick emulsion paint. Primer 1. It might seem a bit unusual. Floors don't need to breath. There is no DPM in or under the concrete floor and the parquet blocks will not be relayed. M . substrate by the level / height of liquid. Ready-to-use. rogerk101, Mar 13, 2020. 24-month shelf life. The dpm resin, is a sticky gooey 2 part epoxy based liquid to be precise. 99Inc Vat. marginally exceeds 70%, a liquid damp proof membrane (DPM) is required. Lay and level the concrete slab, allowing sufficient time to dry out, as per BS 8203. 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. 16. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most. The advice of the under floor engineer should be consulted before installation of the insulation, particularly when installed below a slab. Once applied, the product cures to form a membrane that is flexible and elastic. 0. Liquid Epoxy DPM - 2. By Alisa Crane July 8, 2022 Guides. Once applied via a roller the compound creates a barrier between the concrete and wood flooring. Whats people lookup in this blog: Liquid Damp Proof Membrane For Concrete Floor; Liquid Moisture Barrier For Concrete FloorsPermaSEAL Liquid DPM is a high quality, ready to use, liquid applied damp proof membrane, designed to be used on floors and walls to provide a quick drying, highly flexible waterproof barrier. £9. 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. 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. Good afternoon. Limitation: Do not directly bond wooden flooring to Drybase® Liquid-Applied DPM coated concrete. 3kg/m. It is suitable for sticking down any species of wooden flooring to almost any subfloor. This DPM is normally created by the installation of a polyethylene or bituminous sheet within / below the main substrate structure. we sell the following epoxy resin DPM products:. Google led me here to quite a few posts of liquid dpm however on b&q they have a plastic sheet dpm which looks easier and cheaper. 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. Order online at Screwfix. Visqueen Liquid DPM is a multi-purpose liquid damp proof membrane that provides an impermeable coating for floors' walls and roofs, etc. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. wet-rooms and concrete floors. Withstands 98% RH. £24. The epoxy DPM comes as a two-component system. 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). Plastic membrane laid with excess along the sides for lapping later. Ditra or similar. 186. PermaSEAL Liquid DPM protects floors and walls from moisture in just two coats. rogerk101, Mar 13, 2020. Manufacturers will be able to advise. link with wall DPCs to form an impervious barrier to prevent moisture reaching the interior of the dwelling. Plastic membrane laid with excess along the sides for lapping later. #5. One option is to break up the floor and install a new DPM beneath a new slab. Hi All come across this forum and would really appreciate some assistance. This told us tha. When dry it has a high bond strength between the wooden floor and the subfloor but remains permanently flexible. Add to basket. Wykamol Technoseal DPM Damp Proof Paint. Apply this liquid membrane to your subfloor to prevent residual moisture from the concrete penetrating your natural wood floor. 00. #5. 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. 22 Feb 2007 #1 I wanted to self-level the floor using mapai ultimate leveller 1210 and Secrete Ulitmate Primer for adhesion. Generally the coating needs further mechanical protection but this is taken care of by your screed. Pouring liquid screed over under-floor heating pipes – image courtesy of JCW Floor Screeding. Thick, flexible coating resists movement and minor cracks. 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. 0. Guarantees the early laying of all floorcoverings. underneath a screed or self level we. 16. This water-based compound can be applied to damp concrete floor slabs, screeds and walls. Ideal for general waterproofing and fixing. The most popular screed types include cement screed, anhydrite screed (also calcium sulphate screed), mastic asphalt screed and dry screed. Liquid DPM is a system that is used over a base floor. You can level out an uneven subfloor easily by applying the mixture and leaving it to dry for up to 24/48 hours before walking on it. Each liquid damp-proof membrane has different characteristics and protects floors against a variety of problems. 22 Apr 2013. #4. If it’s solid wood you need a surface dpm. There is a DPM under the concrete as well, but primarily to keep the. You are essentially painting a concrete floor, after all! But it is an effective way to do it. Liquid DPM to damp proof the whole area Rows of 3x2 CLS timber (actual size around 65 x 45) spaced to accommodate 600mm wide 50mm insulation panels between them, and screwed into the concrete subfloor, but with plenty of silicone in each screw fixing to retain the damp proofing With those dates more than likely theres no dpm under the concrete slab. It is available in black or white with a consistency similar to that of thick emulsion paint. I need to self level to the depth of 30mm graduating to 0mm over a 4m squared area. An effective liquid damp proof membrane resistant to a wide range of chemicals, it is used for oversealing cementitious surfaces which contain high levels of residual moisture. I am looking for some advise about laying a SLC with a liquid DPM. Acts as a water proofer for floors and walls, above ground structures and. Pot life: approximately 20-30 minutes. £300. Quantity: FREE Click & Collect within 30 minutes. 73 Kg CO 2. Sovereign Epoxy DPM is a solvent free two-part resin that chemically cures to provide a surface membrane. We have a comprehensive range of membranes both lath and liquid, epoxy floor paint, and specialist tapes for every situation. There is no damp proofing at all and the floor was a bit damp. How to Damp proof a floor and walls using synthaproof as a damp proof membrane is shown in this tutorial. Proposed floor is pitch pine boards secret-nailed to 2 x 2 inch battens with insulation between, onto a concrete floor not known to have a DPM under it; therefore, DPM to go under the battens. In a case where the floor is wholly below ground level, as is the case in a basement, all walls should be tanked. 75 m2 1. Ask the expert: Can a Floor Levelling Compound be applied underneath a WSM? The nature of a subfloor impacts whether a WSM or levelling compound should be applied first. SikaBond®- Rapid DPM is a solvent free, single part moisture curing reaction polyurethane primer and damp proof membrane for cement-based substrates. 40 Kg CO 2. Resistant Type. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. The guy doing it tried to compensate by using more adhesive and most of the. Provides sandwich damp-proof membranes for floors. Sika Rapid DPM is intended for priming and sealing absorbent and non-absorbent subfloors, Also suitable for consolidating weak cement screed and isolating old adhesive residues. Best bet is pre latex screed the floor with Ardex NA, them use. I then poured a liquid DPM over the slab (Ardex DPM) followed by a thin layer. Once applied, the product cures to form a membrane that is flexible and elastic. Bit confused with all the different products and combinations though. Drybase Liquid-Applied DPM is water-. Applications: Wet rooms Embedded timbers Sunken posts Floors (e. No need for a separate primer. Membranes. 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. If it’s solid wood you need a surface dpm. The damp in the kitchen is usually a sub floor with no Dpm being covered and can’t breathe. Damp or Contaminated Floor Solutions. I spoke to Everbuild/Sika and they were able to recommend a DPM paint and compound that would bond together, by priming the final layer of dpm. Hello, Now that i've decided to lay laminate flooring through my hallway and dining room, i now have to decide on which underlay to buy. 2- Prime floor with neat p131 on non absorbent floors and water down on absorbent sand cement etc (approx 1-3 mix) 3- Next self level the floor with an acrylic levelling compound. Information ARDEX DPM 1 C. Insulation sheets and steel laid on top of plastic membrane. Drying time of any brand and type of liquid DPM varies according to the application circumstances, e. The epoxy DPM comes as a two-component system. 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. Flooring FAQs. 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. 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. & 20C). apply two coats of Drybase® Liquid-Applied DPM as normal. The problem is that around the edge of the room the flioor is cracked and loose. View all: Sika Waterproof Sealants. Suitable as a damp proof membrane on solid concrete floors. The specific liquid DPM system will depend on the type of substrate or screed. If you notice a gap between the straightedge and the floor, your floor is dipping in that area. ARDEX DPM accommodates hygrometer readings up to 98% RH. It is available in black or white with a consistency similar to that of thick emulsion paint. 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. It is available in black or white with a consistency similar to that of thick emulsion paint. Time, money, and space for increasing the floor level are tight unfortunately - but I need something which will work. Facades Tile Fixing Flooring Systems Technical Mortars Check all Uncheck all. 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 level. It is ideal for use on damp floors and walls, before the application of floor and wall coverings. 60 per L. Coverage: 1 gallon of Abocrete, without sand or aggregate, covers 80 sq. Set a straightedge across the floor. This barrier is intended to stop moisture passing from one to the other. Use 1000 gauge or thicker – ideal for this is the polyethylene use for the DPM under your concrete subfloor. 45sqm to supply and fit. I want to avoid digging it up if I can. When dry it. It has excellent adhesion to damp cementitious surfaces and once dried provides a dry barrier against moisture below. A Liquid Epoxy Damp Proof Membrane (DPM) is often used as a remedial solution where an existing DPM has failed or was never installed. Hardwearing – high abrasion resistance. • 5L tin offers coverage of approximately 6. Flaking paint, peeling wallpaper and crumbling plaster are just a few of the many symptoms which can originate from rising damp in buildings. Really dont understand this dpm stuff but first flat so want to get it right and not alot of money. It is low odour, solvent free,. 22 August 2019 at 10:27AM. rifraf74. The waterproof paint membrane dries to a flexible. Hello, hoping someone can help. VAT. I will then go about levelling the floor, adding in a liquid DPM, more levelling compound and vinyl tiles as the finish. 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. P. 57,050 Kg CO 2. Waterproof. Our costs are ballpark averages – get a local tradesperson to quote now. Description. 00. < 2 Year Storage. com. My questions are: Is there any reason to use a roll of DPM vs a liquid. So I have a block and beam floor which is 150mm below existing floor level. 186. 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). Mastic Asphalt – this is the earliest form of liquid DPM and is usually laid on the top of. Drybase Liquid-Applied DPM is a single-pack barrier coating that is supplied ready to use. We used the Ultra Floor system, Ultra DPM-it,. Browse damp-proof membrane products from Toolstation here. This enables earlier access onto the floor for the application of screeds, coatings and other floor coverings including tiles, vinyl, wood and carpets. Self levelling compound. 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. Add to basket. Waterproof. Ideal for waterproofing structures, such as culverts, retaining walls and bridge abutments, this Black Jack DPM is also commonly used for general waterproofing. The wall is now down and its time to level off the floors. How to install a liquid damp proof membrane. If there was no dpm I would suggest a uniformal distribution across the whole floor. 2 coats SBR. I would suggest also laying a new underlay which has a vapour barrier. M. • Solvent Free, Low Odour. It will tackle residual moisture in concrete up to 6% C. 19. Sikabond Rapid Liquid DPM for Wood Flooring. Liquid floor screed is ideally placed at depths of between 50 -75mm in conjunction with UFH. Ideal for use where there is no functioning structural DPM (common in older properties). I can see a very thin line of it just above the level of the Self-leveling compound, but not any higher. The product is applied in two coats. DIYDave. It’s important these sheets. Thanks. Benefits • Hard wearing & flexible DPM • Ready-to-use straight from the bucket • Quick drying - typically touch dry in 1 hourIf you choose to lay the flooring straight onto the concrete then its advisable to carry out a damp test and if the results are more than 8% RH (relative humidity) 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. May be blended with quartz sand (while tacky) to create an anti-slip surface finish. Insulation sheets and steel laid on top of plastic membrane. Rapid Set Skim CoatRepairs, levels, and smooths concrete for applications. Ground-bearing concrete floor slabs should be protected against ground moisture by providing a continuous damp proof membrane (DPM). liquid damp proof membranes (moisture blocker) 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. From below, installing insulation to improve the floor or as part of a basement insulation project is fairly straightforward. . Run a string across the ground. 5 Ltr. 0. required finish floor level. Drybase® Liquid-Applied DPM Is suitable for use on solid floors, embedded timbers and walls. I moved into my new build nearly 2 months ago now and am having quite a few issues. then a liquid membrane goes over this called ardex dpm 1c. Allow the first coat to dry before ap-plying the second coat at right angles to the first. Its easy application and quick drying times make it a convenient choice for all your wall coating needs. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. £100 - £600. Drybase® Liquid DPM is water based and can be. The house is an ex-council 1950 semi. Why don't you use liquid dpm and tank the floor and part of the wall were the floor joins ,4 inches of screed is fine lay 2in first well trodden and then the second 2inches , job done ,if you feel 4 in is a bit much place insulation 35mm and then screed , chicken wire as well deacon,. Not that it needs to breathe, but it already does so and there is no harm. This type of DPM not only prevents dampness from rising but. you cant put the dpm directly on to the. 100% epoxy solids. Prices will vary on floor area, depth of screed and site location. If the floor has no dpm, it'll have a damp history. 57,050 Kg CO 2. Resistant to frost and salt attack. This enables earlier access onto the floor for the application of screeds, coatings and other floor coverings including tiles, vinyl, wood and carpets. What is liquid DPM flooring? Liquid DPM is a system that is used over a base floor. The engineer (who is a bit belt and braces) recommended a block and beam floor supported by new foundations so as not to add extra load to the existing 1930s foundations. Before applying the damp proof paint, stir the contents of the bucket well. Perfect for treating commercial or domestic wet rooms before tiling. Who places the screed. Browse our selection of damp roof membrane (DPC) for use on concrete to prevent moisture from seeping through layers of flooring. Ready to use, ultra-quick drying, flexible liquid membrane for internal and external waterproofing applications. For a self-levelling screed a system such as Flowcrete UK’s Hydraseal would be used. Drybase Liquid-Applied DPM is water-based. It is available in black or white with a consistency similar to that of thick emulsion paint. – When applying over 6mm of levelling, 2 primer coats may be required. Non-flammable. The liquid membrane forms a strong seal and makes a permeable layer to enable moisture to evaporate off. Walkable in 6 hours. Liquid screed. To be honest it’s worth having some sort of moisture suppressant put down just to make sure. Damp Proof Membranes (DPMs) can be used to help resolve damp issues which already exist or to avoid moisture problems in the future. Typical industry surface applied DPM. New NHBC regulation comes into. The floor under each tile i have removed has been visibly wet, but has dried in a few hours of the tile being lifted. Liquid-applied membrane (LAM) is a monolithic, fully-bonded, liquid-based coating suitable for many waterproofing and roofing applications. For advice on the correct epoxy floor coating for your requirements or specifics around epoxy DPM application methods please feel free to contact one of our technical advisers on 0117 982. Application of a liquid dpm after extensive sub - floor preparation, the sub floor being a new build extension, we had to make up 30mm to level floors, becau. Ashbou10 Member. Ground bearing concrete floors - 1960s to 1990s. It is available in black or white with a consistency similar to that of thick emulsion paint. I'm looking for opinions on the best self leveling screed to use on my slightly wonky concrete garage floor. 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. Magnesite must be completely removed. Suitable for internal and external use. Trade Discounted option 25 litre drum of Everbuild BLACK JACK 908 D. Our liquid waterproof membrane is a liquid DPM that makes your floors durable and water-resistant. In most cases the surface to be screeded will consist of 50 to 100mm-thick layers of insulation boards over a DPM (damp-proof membrane) on top of the floor structure. It combines excellent adhesive, elastic and waterproofing properties. WP60 Liquid DPM. The coating cures to form a rubber-like elastomeric waterproof membrane and may be applied over many substrates, including asphalt, bitumen and concrete. An MVS, is a moisture. Stair Nosing's, Stingers,PVC Skirting'. 1-part, ready to use. Screwfix Select. 23 Jul 2018. Painted Floors • The surface must be mechanically cleaned to remove all traces of paint. The most common type of DPM is installed during the building process. I am in the process of improving our kitchen. #1. Dri-wall DPC injection cream is the quick and versatile solution to effectively bring damp walls under control. 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. It can also be used on floors tanked with Sovereign Hey’di K11 when a vapour barrier is. It is not suitable as a bond. 3 bar/65psi for 14 days (ASTM C1306-05a)Jul 13, 2011. Liquid DPM is a system that is used over a base floor. middle of a baking hot day in summer applied to a dry and subsequently warm surface, would take between 4 – 6 hours per coat. It should be waterproof to prevent any rising damp getting through. It may have picked up a couple of small holes, particularly at the corners, we were fairly careful but not anally so - there's definitely not one under the garage so putting a continuous one across the full old/new slab (turned up to the DPC) to do the real work. 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. If there is no dpm above the concrete floor a vapour control layer, such as polyethylene, should be placed between the. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. Add to Basket. 95. – When applying over 6mm of levelling, 2 primer coats may be required. Subfloor moisture measurement tools include the Protimeter Aquant or MMS for instant indications of potential moisture levels.