PU280-S. € 120. Once applied, the product cures to form a membrane that is flexible and elastic. Drybase Liquid-Applied Damp-Proof Membrane High-strength damp-proof coating for a wide variety of applications. This can only normally be guaranteed if its an new build or extension and most houses have been sold, inherited etc. 99. Liquid Epoxy Damp Proof Membrane 5kg (Metal Tin) 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. £6. Liquid Membrane. Use a Vapour Barrier Membrane or Damp Proof Membrane. 75 m2 1. Form some haunching on the 50mm flat, to create slope. The membrane is a tough structural material and is often used as part of basement waterproofing solutions too. The DPM will be laid first, usually as a liquid product 'painted or trowelled' onto the concrete surface, then the screed laid over that. Property is mid 1960s, solid ground floor. 1. Product benefits. 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. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. • 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. weberfloor DPM can be applied on substrates such as concrete and cement-based levelling compounds. Drybase Liquid-Applied Damp-Proof Membrane High-strength damp-proof coating for a wide variety of applications. The most common type of DPM is installed during the building process. Waterproof Blue Liquid DPM. Damp proof for concrete floor. The same larger hole after I cut back some of the sandy concrete. There is no damp proofing on the floor. 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. 100% solids, high build coating; Virtually solvent free liquid epoxy resin damp-proofer; Withstands 98% RH Testing the Floor’s Moisture Level. 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. Like the liquid coating above, it provides a barrier to water entering the property. Liquid DPM for Walls. 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. Like 2. Can be applied to damp surfaces. and then apply a second coat with kiln. Easy Handling & Installation. For damp concrete floors, it is recommended to apply the membrane in two coats. richel7. A liquid DPM such as Bostik Cempolatex Moisture Suppressant must be applied in two coats. Coverage: A minimum dried coating thickness of 0. A liquid-applied DPM (damp proof membrane) is a simple solution and an excellent way to damp proof a concrete floor. Our Liquid DPM can be used on walls under a render to create a flexible. The DPM should: have sealed laps of at least 300mm wide. , Jan 22, 2021. 18 Dec 2013. 3. You can apply this versatile formula using a roller or brush, whether you're working on a cosy living room or an. Applications: Floors. Do I have a DPM? EDSDIY; 23 Jul 2020;Standard sand & cement screed, dries at approx 1mm per day, depending on variables. Our Waterproof Blue can be used in showers, bathrooms, wet rooms, basements and other areas of your building that need to be protected from excessive. Universal DPM allows immediate installation of moisture sensitive floor finishes onto damp concrete and screed. Drybase Liquid-Applied DPM is a single-pack barrier coating for above ground use. Quick View. 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. Damp Proofing Concrete Floors With Liquid Membranes. Add to Basket. 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. Cavity wall with bitumen dpc. 100% solids, high build coating. S. Thin Micro-ToppingProduces durable surface to color or stain. Rolling out damp proof membrane across a floor to prevent damp. HydraDRY Tanking Slurry. It should accommodate 0mm to 5mm (or thereabouts) It will cover an area of 26m2 (4m x 6. 19. ‘Begin with a layer of sand insulation with a damp proof membrane installed on top, finishing off with the insulation foam boards then a new layer of concrete poured on top,’ says Jenny Turner. This barrier is intended to stop moisture passing from one to the other. 00. Chemical damp proofing cost. How to Damp proof a floor and walls using synthaproof as a damp proof membrane is shown in this tutorial. coating to create a key for the screed. Preferred methods of floor construction for such premises are full-thickness trowelled concrete or a topping on a concrete base. This prevents moisture from the screed attacking the wood flooring and ultimately ruining it. 1. The vinyl that was laid bubbled up, so contractor removed it. Once the DPM is applied you need a laytex screed, so your adhesive and karndean stick to it. An acrylic brush-on membrane, Dunlop Damp-Proof Waterproofing will prevent rising damp, efflorescence and will resist negative hydrostatic pressure. I'm purchasing a new build and want to put Amtico Spacia down throughout the downstairs. Can be used where a structural DPM is not present or is ineffective. NDC 1200 Gauge Blue Damp Proof Membrane - 4 X 5m (75) £28. £10. Ready to use, effective damp proof membrane. This can be due to: Moisture rising through the concrete. Broom Overlay Mix 6000 PSIAdd water and mix - Grey or white. An ARDEX Damp Proof Membrane will protect the floorcovering. The installation of a surface DPM is a vital stage in the construction process, for all types of projects. USES For priming, consolidating and sealing of: Absorbent and non-absorbent sub-floors, consolidat-ing weak cement screed and isolation of old adhesive residues. Damp Floor Epoxy Kit. Once painted on, Drybase ECS Epoxy Floor Coating provides resistance to oils and greases. DynamiteMatt; 17 Dec 2013; Floors, Stairs and Lofts; Replies 1 Views 1K. If the moisture problem isn’t that bad, you could use a liquid membrane and see if it will fix. Screwfix Select. 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. 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. However, this option may not be the best solution in many circumstances. £ 60. 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. Use 1000 gauge or thicker – ideal for this is the polyethylene use for the DPM under your concrete subfloor. is a rubber en-riched bitumen emulsion which provides a highly ef-fective sandwich damp proof membrane for floors. Add to Cart. What is a Liquid Epoxy Damp Proof Membrane? Liquid Epoxy Damp Proof Membrane has two components - a base and hardener. 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). Depth of screed. Using this latex based damp proof paint as a damp p. Suitable for extensions, basements and cellars. If you have that problem, I don't think a damp-proof membrane on top of the concrete will help. Visqueen EcoMembrane DPM. 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. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. • Protects walls and floors from water ingress and dampness. All surfaces must be mechanically sound, dry and clean, i. Looking lay a liquid dpm in the cellar floor followed by a self levelling compound as it uneven. Coverage - Typically 10 - 20 m 2 per 5 kg pack (based on two coats). Any joins in the damp-proof membrane should overlap by 300mm and sealed thoroughly with a waterproof adhesive. The membranes can sit above or below the slab. 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. A two-component epoxy resin membrane known as a liquid epoxy damp proof membrane (DPM) is especially made to be applied to damp floors in order to create a barrier between your floor and the layer below. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. View all: Sika Waterproof Sealants. It helps to prevent damp and moisture from entering the building’s structure and interior. Click & Collect. EP40 Epoxy Floor Coating – Grey. Sika Waterproof Coating Grey 5kg. During construction a concrete floor was cast and plastering undertaken internally. When doing timber framing, set framing flush to outside of brickwork. other floor coverings including tiles, vinyl, wood and ca. PRODUCT DESCRIPTION EVERBUILD® BLACK JACK® 908 D. £30. Jul 13, 2011. No DPM. 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. 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. Please check your local store is open on the. Isolates damp substrates for new floor finishes including carpets and laminated flooring. 50 Ex VAT. 19. Broom Overlay Mix 6000 PSIAdd water and mix - Grey or white. € 99. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. 4M X 20M 1000G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. When installing an underlay process, roll out the damp-proof membrane the same way you do a carpet and cut to size. Thin Micro-ToppingProduces durable surface to color or stain. How do Liquid DPMs work? RFC Liquid Damp Proof Membrane (DPM) is a professional 2-component applied surface primer. Underlayment for Laminate Floor (moisture barrier)Damp proof membrane for structural waterproofing Damp proof membranes (DPMs) are required for use either above or below solid concrete floor slabs that are in contact with the ground. Adheres to saturated concrete even at lower temperatures. 00 Inc VAT. To ascertain if this is the case, there are two main techniques for testing a substrate’s moisture level, which. I went to buy compound to level it yesterday, and now it looks nice. £. 6 m2 1. Using this latex based damp proof paint as a damp p. Features. Drybase Liquid DPM is recommended for use on concrete, masonry and embedded timbers in above-ground applications. Palatine. 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. I want to avoid digging it up if I can. 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. Delta Water Based Epoxy Resin is suitable for all applications where concrete or masonry requires waterproofing and protection. Suitable for the damp proofing of interior masonry wall surfaces. £ 49. Drybase White Liquid Damp Proof Membrane - 5L (0) £55 . Tried and tested and it works. It is important to ensure enough DPM is lapped to encompass the whole floor build up with a little excess. 5kg Tins of Epoxy DPM. 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. Liquid Epoxy Damp Proof Membrane - 5kg. 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. Liquid DPM 5L Rating: 100%. 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. T1000 Stampable OverlayFor use with resurfacing concrete floors and hardscapes. 2. DPMs can also be used to form. It can also be used as an adhesive for the likes of wood block flooring and insulation boards, or as a plaster bonding agent – even on difficult surfaces. Once applied, it cures to form a flexible and elastic membrane that. Unlikely to have any DPM. uk. e 0. For example, if there is a significant problem with damp rising through your quarry tile. I have a friend who has a concrete floor in her garage. • Weatherproof protection for walls, above-ground structures and foundations. DIYDave. If a DPM has failed or perhaps was never installed in the first place, the features. Whilst this is not ideal, it can be a low-cost solution, which is easier than restoring old tiles, or completely digging out and relaying a new floor. € 80. It is available in black or white with a consistency similar to that of thick emulsion paint. I applied this to the floor in two coats. 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 might seem a bit unusual. This is added at ground floor level and is generally. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. (3 Reviews) £22. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. Add to basket. If the problem is moisture, lift the vinyl and allow the concrete to dry properly. Raincheck Eco Water Seal - 5l. It should accommodate 0mm to 5mm (or thereabouts) It will cover an area of 26m2 (4m x 6. . 16. Stauf VPU-155 S DPM solvent free polyurethane primer: is a ready-to-use, one component polyurethane primer is particularly fast drying. Thread starter rifraf74; Start date 22 Feb 2007; R. MPN SKBDRAPDPM5. applying 2 coats of Drybase® Liquid DPM. Description. Quarry tiles are installed on the solid concrete slab which is a good. There are various types of damp-proof membranes available, including liquid membranes and sheet membranes. Pour the resin into a clean, dry bucket. All tiles and sand cement screed removed and last remaining suspect area. Up to 10 years warranty on selected items. Drybase® Liquid-Applied DPM is a single-pack barrier coating for above ground use. richel7; 17 May 2010; Floors, Stairs and Lofts; Replies 6 Views 20K. Coverage. 1. If you have that problem, I don't think a damp-proof membrane on top of the concrete will help. 3mm per dried coat) This corresponds to approx 1. apply two coats of Drybase® Liquid-Applied DPM as normal. Withstands 98% RH. It has excellent adhesion to most substrates. 1 Feb 2010. Step 5: Apply a Damp-Proof Membrane. Indoor and outdoor use. Don’t forget your mobile number –. Call us on 302 244 0179 or submit an enquiry for contact information of contractors in your area. Sovereign Epoxy DPM is a solvent free two-part resin that chemically cures to provide a surface membrane. I will also be putting down a damp proof membrane under the underlay so I don't get the problem again. Liquid damp proof membrane can be applied to both floors and walls using various methods such as brush, roller, or spray. Kent. is this a concrete ground floor? were the marleytiles stuck down with a yellowish adhesive, or a black, bitumous coating?. 4M X 20M 1000G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. Sika Code 175129. The wrong adhesive being used to lay the vinyl, or. This water-based compound can be applied to damp concrete floor slabs, screeds and walls. 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. Tiles came up very easily with zero bitumen attached. Whats people lookup in this blog: Liquid Damp Proof Membrane For Concrete Floor; Liquid Moisture Barrier For. 1. Odourless, rubber-enriched bitumen emulsion. When laying radon membranes, they should extend the whole of the floor and walls. It had lino down, which I lifted up last night and it was very damp and a bit mouldy underneath. 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. 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). 41. Once the liquid membrane has been applied to the concrete and it dries, an extremely hard surface is. 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). In this article, I am going to give you the low-down on liquid DPM, where and. I have attached a photo after removal. Then once the screed is dry use a liquid DPM such as F-Ball Stopgap F77. A decent fitter will test the slab for you before fitting anyway. 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. Waterproof. Leave it overnight. 14 May 2010. Water under tiles. Old pre 1960's house with a concrete ground floor. If a DPM has failed or perhaps was never installed in the first place, the features. You can see a few more examples for damp proofing a concrete floor here. This must cover the whole floor area. Thanks for the response. Liquid Epoxy Damp Proof Membrane - 5kg. I am looking for some advise about laying a SLC with a liquid DPM. This should be laid on top of the insulation board. Another solution for. Floor under carpet marked with chalk for wet areas. 99. Safeguard offer two options for the treatment of damp rising through existing concrete floors. This told us tha. This should be applied in a minimum of two coats (i. the wooden floor is laid. Step-by-step guide for how to apply liquid DPM for concrete floors. 6. 22 August 2019 at 10:27AM. The spacing between support posts and beams should not exceed 4 feet. £107. Drybase Liquid-Applied DPM is water-based. 5 Best Dpm For Concrete Floor In the UK Last Updated - 05/11/2023 Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer. 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. Country. Damp Proof Membrane Paint. How to apply Damp Proof Paint. Shop for waterproofing products & vapor barriers designed to protect your foundation. It stops around 10mm away from the internal walls in all rooms. Can be easily applied by brush. 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. £9. Epoxy Damp Proof Membrane 2. 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. Accommodates Hygrometer readings up to 98% RH. Liquid epoxy DPM for existing concrete floors. The type of coating is chosen, depending on the usage of the floor. The DPM should: have sealed laps of at least 300mm wide. Preparation is the main thing for the layers, and the substrate should be dry and clean. Vapour barriers. Developer has quoted £3744 for approx. £. Hi, my name is Andy Parkin. Epoxy resin damp-proof membrane . Drybase® Liquid-Applied DPM is suitable for use on solid floors, embedded timbers and floor-to-wall. A ready to use liquid-applied damp-proof membrane. 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. 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. 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. A damp proof course is a barrier that prevents rising damp, which is when water from the soil seeps up into the foundation. DPM’s can be applied to either a suitable blinding layer under the slab or internally to the top of the slab. Add to basket. Liquid DPM to reduces the potential mois-ture related problems. Virtually solvent free liquid epoxy resin damp-proofer. 00. Clean quarry tiles. Ideal for floors with damp or rising damp problems. The underlay of the laminate flooring includes a thin plastic sheet that covers the concrete floor right up to the skirting. An ARDEX liquid Damp Proof Membrane will protect the floorcovering installation from residual construction moisture and rising damp, where the highest measurable moisture readings are present (up to 98% RH). 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. No Hydro Liquid Applied Damp Proof Membrane DPM is a ready to use liquid applied damp proofing membrane free from bitumen. Drybase Black Liquid Damp Proof Membrane - 1L (0) £22 . A vapour barrier, on the other hand, is a damp proofing product attached to a wood floor underlay to reduce moisture passage. Accommodates up to 97% RH. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. After application, this polymer-based coating dries to a flexible liquid waterproofing membrane with high crack-bridging properties. With that said, there are various options when you are damp proofing a concrete floor. I'd like to put a bit of self levelling compound down so the insulation is evenly supported. All the. These can over time allow a build up. Property is mid 1960s, solid ground floor. You are. To ascertain if this is the case, there are two main techniques for testing a substrate’s moisture level, which. It is available in black or white with a consistency similar to that of thick emulsion paint. It has excellent adhesion to damp cementitious surfaces and once dried provides a dry barrier against moisture below. Clear and brush an area of a garage floor so that it is completely free from debris and dirt etc. 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. It is available in black or white with a consistency similar to that of thick emulsion paint. 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. Many damp-proof floor coatings are used directly on the concrete floor surface with a roller or brush. It. RonaScreed DPM is a liquid applied surface damp proof membrane designed to reduce the passage of water vapour and allow the adhesion of thin bonded and fast drying screeds to concrete which is either not fully dry or does not have a functioning DPM. Damp-proofing floors with damp-proof membranes is best done by professional contractors. Liquid DPM for walls & floors. 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. Concrete dries at a certain pace so it can perform at its best over the longest time possible, a liquid DPM can help you speed up things but not already after two weeks! Perhaps in the last two weeks of the normal drying time. BBA certified - third party accreditation. Our liquid waterproof membrane is a liquid DPM that makes your floors durable and water-resistant. Hardcores varied in quality - many have since proved to be totally unsuitable. £36. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. 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. 2. We have had a full structural survey done which highlighted damp at the ground floor level. liquid-applied damp proof membranes (DPMs) for concrete floors REMEDIAL OR RETROFIT SURFACE APPLIED DPM SYSTEMS FOR CONCRETE FLOORS. ARDEX DPM accommodates hygrometer readings up to 98% RH. product and the atmosphere should not be condensing. Impatience and damp concrete subfloors. At DryCore , we have seen hundreds of cases like this and have helped clients to overcome the problem using various professional damp proofing methods. Once applied, the product cures to form a membrane that is flexible and elastic. Tiles came up very easily with zero bitumen attached. Damp proof membranes can be used to help resolve damp issues. Choosing a damp proof membraneLiquid dpm on concrete floor with no dpm. These products are relatively simple to apply, although significant surface preparation work is usually required. A liquid epoxy damp proof membrane (DPM) is a two-component epoxy resin membrane, specifically designed to be applied to damp floors to create a barrier between your floor and the layer below. ARDEX DPM 1 C. 41. The principle of tanking is to provide a continuous waterproof barrier or membrane; this is created using either mastic asphalt or proprietary adhesive DPM. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. Hi, Just about to put a liquid DPM down on a concrete floor. Coverage: A minimum dried coating thickness of 0. This enables earlier access onto the floor for the application of screeds, coatings and other floor coverings including tiles, vinyl, wood and carpets. We stock a range of 1200 gauge DPM membranes to protect properties against moisture in the ground. See moreApply around the edge of the room using a paintbrush, and then use a pre-wetted short pile. Suitable for internal. Damp proof membrane paint is a liquid DPM that blocks the action of penetrating damp on floors, ceilings, and internal walls. • 5L tin offers coverage of approximately 6. Applications: Floors. Resistant to frost and salt attack. 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,. ARDEX DPM has excellent. Image courtesy of Lifestyle Floors Image courtesy of Lifestyle Floors. 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. ARDEX DPM 1 C R has been specifically developed to provide a DPM or to suppress residual moisture in concrete slabs and cement sand screeds that are dense, well compacted and sound, where readings of up to 98% RH can be accommodated. The dpm resin, is a sticky gooey 2 part epoxy based liquid to be precise. Liquid Damp-Proofing Systems. Self Leveling OverlayFind the overlay to meet your project's needs. 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. • 5L tin offers coverage of approximately 6. Getting someone to do a damp test to find out the relative humidity RH% of. M.