This will work to. This can be done using dehumidifiers and heaters. I stand to be corrected tho. The problem is that the majority of insulation materials for solid floors rely on an impervious damp-proof membrane to keep the insulation dry. 4 Apr 2009. ARDEX K 40™ RAPID. The product will not resist rising damp. ARDEX Damp Proof Membranes, porcelain tiles, flooring grade. An ARDEX liquid Damp Proof Membrane will protect the floorcovering installation from residual construction moisture and rising damp, where the highest measurable moisture. They are roller-applied, adhering directly to the substrate to prevent tiled showers from leaking and causing water damage to your property, meeting or exceeding industry standards for waterproofing (ANSI A118. If you have that problem, I don't think a damp-proof membrane on top of the concrete will help. . Walls Can be used under render or plaster as a water barrier or vapor barrier. We supply trade quality DIY and home improvement products at great low prices. Liquid-applied membrane Green roof / Balcony / Podium deck Nitoproof 600PF / 800 for your Green Roof project. ARDITEX NA is formulated with excellent adhesion designed to work perfectly UNDER a damp proof membrane. 5mm]), load bearing, flexible, liquid applied waterproofing membrane system consisting of a liquid rubber polymer that is cold applied with an integral reinforcing fabric to provide a seamless waterproof membrane. There is a radiator against it on one side, but the pipework there is all dry. Decorative tiles were either pressed and decorated with a clay inlay of differing colour (termed encaustic) or painted and sealed. ARDEX A 46 is a rapid setting and drying, slump-free mortar. Arditex NA Latex Levelling Compound can be applied on all common subfloors such as concrete and cement/sand screeds, prepared terrazzo, flooring grade asphalt, quarry tiles, internal steel floors, Ardex Damp Proof Membranes, porcelain tiles, flooring grade plywood etc. Hi, I live in an Edwardian semi which still has it's original quarry floor tiles in the kitchen/breakfast area, utility and downstairs toilet. Preparation is the main thing for the layers, and the substrate should be dry and clean. Essentially, this is a plastic mesh sheet specially formulated to ensure that moisture cannot penetrate. 99. You should use them to protect all final floor finishes. Ready for your floor finish. Can some helpful person please give me some expert advice. However, between the wars the wider. Installing a damp proof membrane. prevents the moisture from escaping so creating damp (or often very wet) areas. We have had a full structural survey done which highlighted damp at the ground floor level. Ashbou10 Member. € 80. Screwfix Select. 02” [. kfairbank1982; 25 May 2009;. Sika® Membrane-2000 is a single component, liquid applied SBR Latex membrane. Provides a flexible and resilient barrier to penetrating damp on walls and floors. 1: Control of moisture content and movement: 32 7. Adhesive: An adhesive or glue is a material, usually in a liquid or semi-liquid state, that adheres or bonds. Liquid damp proof membrane (water based bitumen) applied in several coats directly to the concrete floor with a roller or brush. 16. Covers approx. jay said: As above you may find it difficult to find a tile adh manufacture who will grantee their product over the membrane. Specifically formulated for interior use on particularly smooth or dense surfaces such as: power floated concrete precast concrete terrazzo glazed ceramic tiles quarry. It is available in black or white with a consistency similar to that of thick emulsion paint. An innovative fiber. Sheet Membrane Waterproofing On average, sheet membranes cost slightly more than liquid. Liquid DPM (Damp Proof Membrane) How and where to use Liquid DPM. The exceptional hardness and shrinkage free finish of ARDEX A 46 is ideal for creating new ramps, forming coves, patch repairs, stairs, making good around penetrations and filling. €. 25 May 2009. OR. Also used to pre-level existing timber floors prior to the installation of timber sheeting for a stable base for new floor coverings. 20 liters, 10 liters Empty paint bucket. Self levelling compound. Installing uncoupling membranes over concrete. 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. prior to the application of Bostik Screedmaster damp proof membranes. I know that we have to put down some damp-proofing before considering new flooring but can someone tell me what to do? membrane or liquid damp-proofing?on top of existing tiles or should we remove the tiles first! thanks for any advice. Newer tile installations that haven’t received much use will be fine with a coating of liquid membrane or sealant. 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 are installing where existing floors have been removed, check that there are no traces of previous adhesive residue. €64. 7. 12). Damp proofing concrete floors isn't terribly difficult, although it can be time-consuming and confusing. The best way is to remove the quarry tiles, dig out the floor lay a membrane and then concrete it! However this is rather a drastic option but to do it correctly this would be the way. Sponge off the surplus as you scrub away. PermaSEAL Liquid DPM can also be applied to concrete floors below screeds. 3: Damp-proof courses: 33 7. Description. If necessary, a suitable surface damp-proof membrane should be applied to the sub. The minimum sand and cement screed thickness would be 40mm as defined by the British standard. 50 per square foot, materials and labor included. there is a option called jumpax which is a subfloor which can be laid over your existing floor with a damp proof membrane first. The sheets of lead, copper and aluminium can be used as the membranes of damp proofing. For a complete building envelope solution to liquid waterproofing membranes, ARDEX is your best. 50+ bought in past month. DIYDave. Newer tile installations that haven’t received much use will be fine with a coating of liquid membrane or sealant. Step 4. hi all just ripping out a 1940s bathroom today, floor was tiled, got me breaker out and first one lifted no pobs, no wonder it was stuck to vynal tiles on 20mm bitchumen. Drybase White Liquid Damp Proof Membrane - 1L. • Bathrooms and shower cubicles. Waterproofs bridge abutments, retaining walls. These tiles were mostly glazed, and varied in size from about 100mm to 200mm square. Introducing impermeable damp proof membranes and materials into the floor structure which are highly resistant to the passage of moisture, are oten not. £. PVC Membrane: 14. Oldroyd Xs Slimline Membrane is a damp-proof membrane commonly used on top of damp concrete floors or newly-laid floor slabs. Cost of Uncoupling Membrane . To avoid damp destroying your new flooring, we advise applying a damp proof membrane to the subfloor. 0 0. It should accommodate 0mm to 5mm (or thereabouts) It will cover an area of 26m2 (4m x 6. However, it requires multiple coats to be effective. Technical Data Safety Data. In this instance, a pre-smoothing layer of ARDITEX NA ® followed by a suitable surface damp proof membrane such as ARDEX DPM 1 C is recommended. Commercial Cement-based Self-leveling Compounds. Rapid, High Flow Self-Leveling Underlayment. Basements As part of a waterproofing system beneath ground level. Help & contact. I would prefer the floor to be all one level but if this isn't possible would consider a step being put it. 4. Coventry • Member since 2 Aug 2008 • 26 jobs, 100% positive feedback. The product is usually used in solid concrete ground floors to protect buildings against water from the ground providing an effective barrier against the liquid or water vapour for the lifetime of the concrete slab in which they are. Seal/screed over old quarry tiles? We have an old quarry tile floor in the middle room of our terraced house. 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). When used over a Bostik surface damp proof membrane or other impervious surfaces, it is essential that a minimum 3mm depth (asphalt 5mm maximum) is applied in order to provide an absorbent medium for the adhesive. I stand to be corrected tho. The floor of the room then needs to be dried out as much as possible. Damp proof membranes are a popular treatment too. smartcare damp proof. For a complete building envelope solution to waterproofing & roofing membranes, ARDEX is your best choice. 64. 30 Jan 2022. It is ideal. I removed the old carpet and realised there was damp patches on the tiled floor below, im believe there is no dpm membrane and quarry tiles were laid over lime. Kitchen Quarry Tile Cleaning and Sealing in Daventry. If a DPM has failed or perhaps was never installed in the first place, the features. We have purchased a 4 bed detached house built in the 1950's. 5. The report says there is no DPM. All types of floor coverings can be installed on top of a plastic membrane. Bitumen: Bitumen is a highly flexible material that is often used as a damp proof course in construction. £. Acrylic membrane systems are relatively cheap compared to other membrane systems. CIM’s “ Waterproofing Under Tile ” guide offers an outline for keeping surfaces dry and impermeable. Hi, my name is Andy Parkin. 55 (inc VAT) Ardex WPM 200 Damp. Liquid Membrane. She has ground water under the garage that comes through the concrete. Basements As part of a waterproofing system beneath ground level. 91. Aqua Shine beautifies and enhances the patterns and colors of all treated surfaces with a satin gloss sheen. An insulation foam board needs to be laid directly on top of the concrete floor. The. Safeguard offer two options for the treatment of damp rising through existing concrete floors. This can either be in the form of the conventional sheets of membrane, or in liquid membrane form. BBA Damp Proof Membrane Handi-Pak Black 3m x 4m (300mu). The liquid membrane is applied directly to the. View all: Mapei Waterproof Sealants. The underlay of the laminate flooring includes a thin plastic sheet that covers the concrete floor right up to the skirting. At Fastbuild Supplies, you can find a comprehensive selection. Do not mix more compound than can be laid in 20 minutes and never try to reconstitute once theOn concrete floors, crack isolation membranes, also known as crack I products, are designed to absorb the stresses produced by movement in the concrete. Photo courtesy Dorken Systems Inc. ARDEX WPM 300 is a two component water based epoxy polyamide membrane/barrier coating. We suspect that the tiles are laid directly onto ash and as such there is no damp proof course (or even proper foundations). It is formulated with select elastomeric resilient acrylic polymers and. A surface DPM, which bonds to the surface of the concrete, minimises moisture vapour transmission. Arditex NA Latex Levelling Compound can be applied on all common subfloors such as concrete and cement/sand screeds, prepared terrazzo, flooring grade asphalt, quarry tiles, internal steel floors, Ardex Damp Proof Membranes, porcelain tiles, flooring grade plywood etc. Single component, ready to use. Merlin Barrier Coat is a durable solvent free surface DPM specially formulated for use as both a liquid damp proof membrane (DPM) or vapour control membrane for use in new build and refurbishment projects. Our products are all carefully selected by our in-house experts to provide the highest level of protection for your property. We have had a damp survey and it is confirmed that there is no issue with rising damp. Rapid dry technology – Install most flooring in as little as 2 hours*. Damp-proof membrane: A damp-proof membrane has the advantage of being able to be applied to a damp concrete floor and walls. I would advise a single part flexi tile adhesive on top which will enable you to have stone, ceramic or porcelain tiles fixed. ARDEX Overview. Features & Benefits: Damp Proof Liquid Membrane - Black Jack - 5 Litres. Ensure vapour or damp-proof membrane is correctly installed and lapped, and protected during construction to avoid damage. Skip to content. 8m x 4m DPM 300MU Damp Proof membrane Polythene Sheet 1200 guage Visqueen. The Correct procedure especially dealing with quarry tiles is to apply a liquid Damp Proof Membrance such as Ball stopgap 76 or Bona . A traditional sand and cement screed is normally a 1:4 or a 1:3. waterproofing liquid used as a damp proof membrane and water-repellent coating. Never exceed the quantity of water stated. As I discussed earlier, original Victorian hallway tiled floors were fitted without a DPM (damp proof membrane). Therefore, damp proofings work best in relatively dry locations. The purpose of dampproofing is to slow down the transmission of water vapor through the concrete walls into the house. • Saunas and damp environments in general. That means it’s a perfect paint on damp proofing. It is not suitable as a bond. Taking above info from yourself and xednim on board, it looks like I need to screed then put heating pads then a slc of less than 1" then a liquid dpm. 3 days. Liquid epoxy DPMs are ideal for concrete floors, such as garages, where the original damp proof membrane is missing or has broken down. When applied on top of screed, it needs to have a further coating to protect it from damage such as laminate, tiles, vinyl, wood and carpets. ARDEX A 30 dries fast through hydration to a virtually. Dimple mat, or dimple board, is a product that seems to fall somewhere in between simple asphaltic dampproofing and a full-on waterproofing membrane. Sealing Victorian TilesInformation ARDEX DPM 1 C. £1656. Roofs As the main waterproofing coating or as part of a repair system. ARDEX K 15®. Water storage: Tests show that the membranes perform well even. Using this latex based damp proof paint as a damp p. 3. It’s installed beneath concrete flooring, walls, and other structures, such as sloping roofs with low water permeability courses. GH₵ 480. hk. Liquid epoxy DPM for existing concrete floors. Your biggest worry is your porcelain tiles cracking if you lay then on the quarry tiles, please consider upgrading the floor to comply with the current building regulations which will include 100mm of concrete, 100mm of kingspan insulation, damp proof membranes all on 150 cm of. Our Liquid DPM (LVM Liquid Vapour Membrane Damp Proofing Paint) is a water-based ready-to-use waterproofing system supplied in an 5L tub. 1 shows the application of liquid membrane system on a podium. Form Two part bag & bottle Composition Cement/polymer liquid Product Codes 30607624 20kg 30607626 4. Recommended Uses • Balconies and terraces. Burst gutters and pipes. Because they aren't glazed they allow moisture through from below, not a problem if they're allowed to 'breathe'; covered with lino/compound etc. D. Can be used underwater, ideal for minor repair applications. Product Codes: 4. It is formulated with select elastomeric and resilient acrylic polymers and reinforcing polyester fibers. It offers protection against a variety of problems associated with moisture ingress ranging from visible damp patches on walls and floors to salt damage, rot and mould. Model # 322052 Store SKU # 1001062795. When pre-smoothing a rough floor, prior to applying a Bostik Screedmaster damp proof membrane, it is Firstly, paint the quarry tiles with a liquid damp proof course, let it dry. Exterior applications require. Method 2: Waterproofing with Sheet Membranes. Damp is a common problem in the UK in many types of buildings and comes in many forms e. You also mentioned that there are vinyl tiles over the floor. Flex-300 Under-Tile Waterproof Membrane • •For cold and humid conditions and when substrate is not dry. 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. Water-based, liquid applied, waterproof membrane. A damp proof membrane (DPM) is a water-tight material that inhibits moisture. Thickness: Feather edge to 12mm; Bulkfill 10-30mm with 2-5mm aggregate; Floor Coverings: Linoleum, vinyl. Liquid Damp-Proofing Systems. Walls Can be used under render or plaster as a water barrier or vapor barrier. Floors: Under/above screeds to provide a damp proof. Liquid DPM over quarry tiles is a comprehensive guide that aims to provide valuable insights into preserving and safeguarding the integrity of your floor by utilizing the. ★★ £19. Likewise, you can further use it as a plaster bonding agent on difficult surfaces like glazed tiles. To level uneven internal subfloors to provide a smooth surface. 4; or 118. £51. Dri-Wall DPC Injection Cream. Ideal for masonry, concrete, ICF, PWF foundations. coats to eliminate air pockets. Usage/purpose. 41. Specifically formulated for interior use on particularly smooth or dense surfaces such as: power floated concrete precast concrete terrazzo glazed ceramic tiles quarry. Quarry tiles, known for their strength and durability, can be susceptible to water damage and moisture penetration, which in. Mesh Membrane / Damp Proof Membrane – dimpled plastic sheets, for direct plastering with Carlite Bonding, or ‘dot and dab’ fixing of plasterboard. It is often used. Liquid Epoxy Damp Proof Membrane - 5kg. Flaking paint, peeling wallpaper and crumbling plaster are just a few of the many symptoms which can originate from rising damp in buildings. Capital Valley Plastics Ltd Green 300 Micron Damp proof membrane, (L)25m (W)4m. Although they may still look slightly patchy, rest assured that by the Spring they will have dried out sufficiently enough to apply more sealant – this will achieve the desired finish. LS Waterproofing Liq. £161. Sandwiching will give you a nice flat surface and also eradicate any water vapour coming up through the screed and ruining your flooring. They also have excellent adhesion to saturated concrete even at lower temperatures making them ideal for tough winter conditions. drainage membranes, will provide a complete waterproofing solution. A surface damp proof membrane (DPM) is a liquid system that when applied to a damp substrate: bonds strongly to. The thin layer of asphalt applied to most foundations is called “dampproofing”. It is a highly effective membrane designed to be easy and quick to paint on (unlike others on the market). About a month ago i cleaned the. Apply the first coat of Vetoproof AM764 at the rate of 1. 5: Details of damp-proofing of suspended timber floors: 34: 8: External walls above ground level: 34 8. 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. 20 to £35. Natural Stone should be a minimum of: 200mm x 200mm x 15mm. It is above ground level but small amounts of moisture seep up during very wet weather. Produced from Recycled Material. (I'm sure Isomat do liquid dpm and a leveller that'll go over it) Then tile it. Tilemaster FAST One Coat DPM is suitable for use in a one coat application on a wide range of substrates including concrete, sand & cement screeds and calcium sulphate screeds. LATICRETE® tile waterproofing membrane products provide protection for floors and walls for applications ranging from occasionally wet, to continuous water submersion as in. Capital Valley’s Damp Proof Membrane is a multi-purpose, damp proof membrane that can be used effectively as a waterproof roof layer. View more information. Rapid, High Flow Self-Leveling Underlayment. asphalt, quarry tiles, internal steel floors, ARDEX Damp Proof Membranes, porcelain tiles, flooring grade plywood etc. Delta MS is a plastic membrane made with a dimpled surface that helps carry water away from a foundation wall. I would say if you want it done properly i would dig up the floor and lay some damp proof membrane, maybe some insulation and concrete it. Consult adhesive manufacturer. An insulation foam board needs to be laid directly on top of the concrete floor. Tilemaster FAST One Coat DPM is a two component, solvent free, one coat epoxy Damp Proof Membrane. So after deep cleaning the floor should be allowed to dry for several days, (especially during winter time and following periods of high rainfall). View Product. (hopefully i have up loaded the pics ok!) looks pretty dry there. 2 coats SBR. You can apply an impregnating sealer to a floor without a damp-proof membrane because an impregnating sealer allows moisture to pass freely through the tiles. These bases may be sufficiently porous to allow moisture to pass through to the back of the tile, and must be checked for moisture and damp-proofed if necessary. These will end to emulsify in the presence of high moisture levels. The type of coating is chosen, depending on the usage of the floor. Damp proof membranes can be used to help resolve damp issues which. 6 USD. These liquid membranes are low odour, solvent free and have been designed to tackle low levels of moisture in concrete floors - when applied correctly, they are highly effective. Size: ADR Regulations Apply. They come in various forms and can be cold-applied or heat-applied, one or two part systems, depending on the composition and reaction of the membrane system. The applied product is typically touch-dry in one hour. Drybase Black Liquid Damp Proof Membrane - 5L (0) £55 . We have two different types of liquid damp-proof membranes. Liquid dpm as Andy above says, then you can level over it with Arditec NA or similar. An ARDEX Damp Proof Membrane will protect the floorcovering. The dpm resin, is a sticky gooey 2 part epoxy based liquid to be precise. Drybase® Liquid-Applied DPM Is suitable for use on solid floors, embedded timbers and walls. M, liquid damp proof membrane as directed on the tin. #4. It is water based, free of solvents and plasticisers. A DPM may also be used with a damp proof course (DPC) to ensure complete protection from penetrating and rising damp. is an odourless rubber-enriched bitumen emulsion which provides a highly effective sandwich dampproof membrane for floors. Liquid-Applied Membrane. ★★★★★ ★★★★★ ( 3 ) Product code: 47327. Joined 29 Nov 2012 Messages 16. Made from recycled materials. JACKOBOARD Waterproofing Membrane £ 23. Do I need liquid DPM? Testing the Floor’s Moisture Level The Resin Flooring Association (FeRFA) guidelines stipulate that a DPM will be required if there is more than 4 grams of water per cubic centimetre passing through the substrate in a day. Rising dampness through concrete flooring can be due to a faulty damp proof membrane, an incorrectly installed one, or a lack of one altogether, which can cause issues on carpets and floor coverings and, if left unaddressed, can cause problems such as tile de-bonding and low-level mould growth. Liquid Waterproofing Membrane: Experienced waterproofing professionals will deliver high-quality waterproofing membranes at the most affordable price. READY-TO-USE, EFFECTIVE DAMPPROOF MEMBRANE PRODUCT DESCRIPTION EVERBUILD® BLACK JACK® 908 D. The report says there is no DPM. The product is applied in two coats. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. The only catch: Waterproofing your shower walls and floor might mean you have to reapply this sealant over the years. 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. 5 ARDEX WPM 002 Superfl ex Two Part Bathroom & Balcony 20L + 20K Waterproof Membrane for Walls 22 0. 4 or A118/15. Simply brush or roller the epoxy damp proof membrane onto the substrate, allow to dry for 1-2 hours then re-coat. 4 Ways to Waterproof Tile ShowersAbout Our Damp Proof Membrane. Drybase 2mm Plaster Membrane Mesh (2m x 20m) - Low-Profile Plaster Membrane For Use on Damp Walls. Liquid Damp Proof Membrane Hydraguard is a High Performance Primer. Technoseal is SBR Latex-based liquid. It is available in black or white with a consistency similar to that of thick emulsion paint. It sits between the concrete and the underlay floor covering. 99 Inc Vat. Versatile product with a wide range of uses. 94 Posts. Wet rooms Embedded timbers Sunken posts Floors (e. It had not been used for over a year to allow it to dry out. Replies 0 Views 1K. The kitchen has quarry tiles that were covered in cement, newspaper and general dirt. A DPM may also be used with a damp proof course (DPC) to ensure complete protection from penetrating and rising damp. In addition there is often a strong damp smell when it has rained even if the floor stays dry. Capital Valley Plastics Ltd Damp-Proof Membrane Black 1200ga 25m x 4m (47163) (55) compare. Additionally, it can be used as a curing agent for concrete. Go to product. Once dry, it creates a new damp and vapour proof membrane that can be overcoated with screed, tiles or insulation for wooden floors or floating floors. It's common for older properties built before the 1970s to not contain a structural damp proof membrane or to exhibit moisture readings up to 98% RH. #1. It’s quickly applied with a paint brush or long nap paint roller to form a. Floor Coverings: Linoleum, vinyl, carpet. Thirdly, paint again with the liquid DPM and let that dry. Roll out Rugs and Carpets. Select the department you want to search in. Capital Valley. com Merlin Barrier Coat can be applied to most surfaces including steel, timber, concrete, ceramic & quarry tiles, fibre glass, composites, some plastics and soft metals. 33. WAteR BASeD LiqUiD MeMBRAneSAsian Paints SmartCare Damp Proof is a fiber reinforced elastomeric liquid applied waterproofing membrane for waterproofing of flat and sloping roofs. Drybase® Liquid applied DPM is a single pack barrier coating for above ground use. Brands. Never exceed the quantity of water stated. Could be your tiles are the original 'unglazed' quarry tiles (terra-cotta) often found in situations similar to yours. HYDRO BAN is a single component self-curing liquid rubber polymer that forms a flexible, seamless waterproofing membrane. A damp specialist company has recommended fitment of a cavity membrane and an internal drainage channel to stop the water ingress. Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and. P. Please include as much detail about your issue as possible and if you feel it will help attach a photograph. It's perfect for use as an adhesive for cork, expanded polystyrene, insulation boards, wood blocks, wooden mosaic panels and even as a bonding agent for plastering difficult substrates, like glazed tiles. Comprising a pre-applied bonded membrane, post-applied adhered membrane and loose-laid membrane for both ground-level and below-ground applications. 2-Coat System Allows Just 1hr Between Applications. Rated 4. installation. Liquid membrane waterproofing costs, on average, $4. $ 122. Arditex NA Latex Levelling Compound can be applied on all common subfloors such as concrete and cement/sand screeds, prepared terrazzo, flooring grade asphalt, quarry tiles, internal steel floors, Ardex Damp Proof Membranes, porcelain tiles, flooring grade plywood etc. here are some pictures of the floor after i have pulled up the original slabs and the damp membrane. It had not been used for over a year to allow it to dry out. Epoxy Damp Proof Installation Overview. Adhesives come from either natural or synthetic sources. Apply a second coat of Cemflex® slurry that will act as a bonding agent and while the second coat is still wet and tacky, apply the plaster where Sikalite® has been added into the mixture. a visqueen membrane was not available then. It is safe to use in potable water and can be applied. Waterproofing. The easiest solution for damp proofing concrete floors is to install a plastic membrane. com. Most manufacturers, including Custom Redgard Uncoupling Mat and Laticrete Stratamat, will want you to use an ANSI 118. £36. Product Description. In accordance with BRE Good Building Guide 28 Part 1 (Domestic floors: construction insulation and damp–proofing), irregularities should not exceed 5 mm when measured with a 3 metre straight edge. co. Damp proofing: 2 ply, 3 ply, 5 ply: Bitumen membrane: Malthoid 2 ply. Liquid dpm as Andy above says, then you can level over it with Arditec NA or similar. Better to use at tile waterproof membrane and thinset from one of the major tile installation product manufacturers. Moisture The sub-floor must be tested for moisture content before installation in accordance with the relevant national regulations.