The damp is all in the lower part of the walls (the first couple of feet) and is particularly bad in the skirting boards (some of which have. you cant put the dpm directly on to the. Drybase 2mm Plaster Membrane Mesh (2m x 20m) - Low-Profile Plaster Membrane For Use on Damp Walls. Also widely used for fabric protection of sub. A damp-proof membrane safeguards a building's concrete slab against moisture that may permeate from the foundations. 00 per square foot. It has excellent adhesion to most substrates including brick, masonry, concrete block, concrete, stone and timber and is simple to apply with a brush or roller. Can be applied to damp surfaces. , Jan 22, 2021. Liquid Membrane Waterproofing. quarry tiles. £. When mixed with water the result is a smooth slump free mortar with a pot life of approximately 15 minutes. #1. uk. 0800 227 339. £1. Fast curing to a durable, flexible consistency. The only catch: Waterproofing your shower walls and floor might mean you have to reapply this sealant over the years. Liquid epoxy DPM for existing concrete floors. 4. Sikaplan® VOC and Gas Barriers. Block & Wall adheres to various surface types & dries to a strong, flexible, waterproof membrane. These can over time allow a build up. About this product. Capital Valley Plastics Ltd Green 300 Micron Damp proof membrane, (L)25m (W)4m. $ 32 80. It is above ground level but small amounts of moisture seep up during very wet weather. Remove and Smooth. Where oil and grease are present it should be treated with a degreasing agent several times to ensure it has been fully lifted. View more information. Ardex Arditex NA 25Kg Uses. 1. Once applied, the product cures to form a membrane that is both flexible and elastic. This clearly failed as when taking the old laminate up around 25% of the floor was completely damp and the damp had progressed into the old laminate boards. In the case of gluing the floor, a liquid damp proof membrane should be used in conjunction with a suitable adhesive. Visqueen Liquid Gas Membrane is a blue-grey, single component, liquid-applied polymer modified emulsion that dries to form a black flexible damp proof, gas proof and waterproof membrane. Polyproof Dampcourse Polythene Black 350mmx30Mx500um. ARDITEX NA is formulated with excellent adhesion designed to work perfectly UNDER a damp proof membrane. societys_child Forumite. Promenade tiles are a popular outdoor tile choice for anyone looking to add a sleek and stylish look to their paving. Country. READY-TO-USE, EFFECTIVE DAMPPROOF MEMBRANE PRODUCT DESCRIPTION EVERBUILD® BLACK JACK® 908 D. 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). Specifically formulated for interior use on particularly smooth or dense surfaces such as: power floated concrete precast concrete terrazzo glazed ceramic tiles quarry. Rapid, High Flow Self-Leveling Underlayment. Instructional video on how to mix Permagard's multi-chamber liquid epoxy DPM. An ARDEX Damp Proof Membrane will protect the floorcovering. Protect buildings from moisture. a visqueen membrane was not available then. But sealant will also make it much easier to clean grout tile. Damp Proofing. When used over a Bostik Screedmaster surface damp proof membrane or other impervious surfaces it is essential that a minimum 3mm thickness is applied in order to provide an absorbent medium for the adhesive. You might find that your penetrating damp is being caused by water leaking from gutters and downpipes on the outside of your home, so examine them for cracks. 5. 00 per square foot, uninstalled. We have purchased a 4 bed detached house built in the 1950's. Say goodbye to wear and tear of tiles and protect them from all water related issues that one might face. A damp-proof membrane (DPM) is a membrane material applied to prevent moisture transmission. Ready to tile in 4 hours. Up to to 15% increase in top coat coverage. As long as it's not a lime screed, cos they must be able to breath, and that your sub floor is all good sound and load bearing. Burst gutters and pipes. Last edited: Sep 2, 2010. C – Prime using UltraTile ProPrimer neat. We also offer solutions for waterproofing slabs during construction. LATICRETE offers a broad range of products and systems covering tile & stone installation and care, masonry installation and care, resinous and decorative floor finishes, concrete construction chemicals, and concrete. Most of the LAMs are used under tiles to protect water sensitive substrates from moisture andIKOpro Synthaprufe Original is a BBA Approved (cert no. Holds back rising damp where a damp proof membrane is either missing or defective. Can be over painted after 16 hours with most types of floor coatings. Damp Proof Membrane: Hydraguard limits the release of moisture to 5mg per m2 per day. Where traditional pressure injection fluid cannot be used, Dri-Wall is the answer. It is recommended that the membrane is protected from UV. The surface of the slab should be smooth, flat and free from projections. 4; or 118. Apply the first coat in one direction, ensuring that the material is worked well into the substrate. Backer Board. Capital Valley. ARDEX A 30 dries fast through hydration to a virtually. So after deep cleaning the floor should be allowed to dry for several days, (especially during winter time and following periods of high rainfall). If it is Quarry tiles it suggest that the property is quite old and that could be the reason for the latex to break up once the DPM has been applied leave for approx 24 hrs or as stated on the guidance notes. 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 report says there is no DPM. 0 0. For further help and advice with damp proofing and Liquid DPM please call our product experts today. Liquid Damp-Proofing Systems. Walkable in 6 hours. Vespol Alcor Dampcourse Standard 230mmx30M. Both of these membranes act as a. prevents the moisture from escaping so creating damp (or often very wet) areas. It does not mean the floor in all of these houses is excessively damp. ARDEX Damp Proof Membranes, porcelain tiles, flooring grade. It has excellent adhesion to damp cementitious surfaces and once dried provides a dry barrier against moisture below. Contractors apply liquid membranes like any other sealant. Secondly, screed over it with a self leveling compound, and let that dry. Drybase Liquid-Applied DPM is a single-pack barrier coating that is supplied ready to use. This will work to. Latest activity Register. 15 mortar and the products listed below meet this standard. The product will not resist rising damp. Suitable for general waterproofing of concrete, fibre/cement, render, plaster etc. Product Description. Roller or spray applied. 5% water by weight (Carbide Bomb test) the drying time. Liquid DPM (Damp Proof Membrane) How and where to use Liquid DPM. #4. P. • Saunas and damp environments in general. Tiling Works Terminology. lexie01 · 15/09/2010 11:26. It’s installed beneath concrete flooring, walls, and other structures, such as sloping roofs with low water permeability courses. We have purchased a 4 bed detached house built in the 1950's. Ensure vapour or damp-proof membrane is correctly installed and lapped, and protected during construction to avoid damage. • Class III, 2 part cementitous. • Uncoupling membrane prevents cracked tile and grout. Required thickness is 30 mil. Call us on 302 244 0179 or submit an enquiry for contact information of contractors in your area. 17DW400. Once applied, the product cures to form a membrane that is flexible and elastic. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. There are a number of ways to. To lay a damp-proof membrane (DPM) you will firstly need to remove the skirting boards from around the room. Damp-Proof Systems. 23 Jul 2018. Concrete Rubber (Dpm Rubber / White Rubber ) Quality and affordable for construction purpose and poultry use. Arditex NA 25Kg Subfloor can be applied on all common subfloors such as concrete and cement/sand screeds, prepared terrazzo, flooring grade asphalt, quarry tiles, and internal steel floors. Membrane self-seals on contact with substrate. Apply ARDEX DPM 1 C to protect the floorcovering installation from residual construction moisture and ground bearing moisture. Additionally, it is a remarkably versatile product that can establish a protective layer or surface before installing wood or laminate flooring. Preparation is the main thing for the layers, and the substrate should be dry and clean. 2-Coat System Allows Just 1hr Between Applications. A damp specialist company has recommended fitment of a cavity membrane and an internal drainage channel to stop the water ingress. 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. Damp from the surrounding air in the form of condensation is prevented from penetrating the membrane. 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. Capital Valley Plastics Ltd Damp-Proof Membrane Black 1200ga 25m x 4m (47163) (55) compare. Replies 0 Views 1K. 8kg. The easiest solution for damp proofing concrete floors is to install a plastic membrane. 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. These tiles are generally laid on a few inches of sand directly onto soil. Liquid dpm as Andy above says, then you can level over it with Arditec NA or similar. Easily applied by roller or brush. Drybase® Liquid applied DPM is a single pack barrier coating for above ground use. 24-month shelf life from date of manufacture when stored to manufacturer's instructions; Provides sandwich damp-proof membranes for floors Under damp proof membranes; Substrates: New and existing concrete; Damp or moisture vulnerable concrete; Ceramic and quarry tiled floors; Steel decks; Timber floors (contact ARDEX Technical Services) Thickness: Feather edge to 12mm; Bulkfill 10-30mm with 2-5mm aggregate; Coverage: 12m 2 at 1mm; 4m 2 at 3mm; Drying Times: Walkable from 1-2 hours Tilemaster FAST One Coat DPM is a two component, solvent free, one coat epoxy Damp Proof Membrane. Since the carpet came up it has been fine. 00. Buy Damp-proof Membrane from Screwfix. So the depth you dog depends on how much insulation you put down. As a durable, practical and slip-resistant surface, they are ideal for flat roofs, balconies, terraces and walkways. 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. 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. The problem is that the majority of insulation materials for solid floors rely on an impervious damp-proof membrane to keep the insulation dry. 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 advantages of a liquid damp proof membrane (DPM). Screedmaster damp proof membranes. ARDEX K 15®. As long as it's not a lime screed, cos they must be able to breath, and that your sub floor is all good sound and load bearing. Insulating. For a complete building envelope solution to waterproofing & roofing membranes, ARDEX is your best choice. Shluter Ditra costs from $1. This enables earlier access onto. Damp Proof Membranes: 5 things you should know. Most manufacturers, including Custom Redgard Uncoupling Mat and Laticrete Stratamat, will want you to use an ANSI 118. Therefore, damp proofings work best in relatively dry locations. View all: Mapei Waterproof Sealants. If a concrete floor is being replaced because it is causing damp or other problems, limecrete offers an alternative. 91. 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. Don't use an acrylic leveling compound direct to the concrete. Will Merlin Barrier Coat work in hot climates? 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 morter bed, my contractors PVA'ed self levelled over the floor to try and stop it but the self levelling got blown up and was cracked in certain spots, so i chipped off all the blown. Hi, my name is Andy Parkin. Sika® Membrane-2000 is flexible and elastomeric, and displays outstanding waterproofing features with low water vapour transmission properties and the ability to withstand permanently wet conditions without re. Boxes of tiles must be separated and opened as part of the acclimatisation process and tiles must be stored flat. Flaking paint, peeling wallpaper and crumbling plaster are just a few of the many symptoms which can originate from rising damp in buildings. Cavity Drain Membranes: 1. – When applying over 6mm of levelling, 2 primer coats may be required. Secondly, screed over it with a self leveling compound, and let that dry. common settings where the use of epoxy adhesives would be beneficial. It is ideal for use where low odour products are required. Tile laid on top of membranes should be 7/32-inch thick or a thickness specified by the membrane manufacturer. Coventry Tiling. Products in Waterproofing Systems Liquid Damp-Proofing Systems. Vapour barriers are not the same as. Waterproofing Sheet Membrane for Ceramic Tile and Stone Mapeguard WP 200 is a thin, flexible polyethylene sheet membrane with a nonwoven,… Planiseal CR1 Single-Component, 100%-Solids, Cold-Fluid-Applied, Structural Waterproofing Membrane Planiseal CR1 is a fast-curing, 100%-solids,…Liquid Waterproofing Membrane. items together. Drybase Liquid Damp Proof Membrane (1 Litre,Black) - Damp Proofing Paint for Interior & Exterior Walls and Floors. here are some pictures of the floor after i have pulled up the original slabs and the damp membrane. Screwfix Select. To level uneven internal subfloors to provide a smooth surface. PermaSEAL Liquid DPM can also be applied to concrete floors below screeds. Liquid Membrane. The product is applied in two coats. Benefits • Damp-proof barrier • Gas and radon barrierThe removal leaves a surface the bonding agent can bond to, ensuring the screed does it’s job. Capital Valley Plastics Ltd Green 125 Micron Moisture barrier, (L)30m (W)2. 33. No underfloor heating. 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. Liquid and sheet waterproofing membranes cost $4 to $7 per square foot installed. Sika® Membrane-2000 is a single component, liquid applied SBR Latex membrane. Apply the first coat of Vetoproof AM764 at the rate of 1. However, between the wars the wider. Ceramic and quarry tiles Floating timber; Substrates: New and existing concrete Damp or moisture vulnerable concrete Ceramic and quarry tiled floors Steel decks Timber floors (contact ARDEX Technical Services) Location: Internal and external Under damp proof membranes; Coverage: 12m 2 at 1mm, 4m 2 at 3mm; Drying Times: Walkable from 1-2. The. Size: ADR Regulations Apply. • / L / coat | 2 coats | Re-coat in 30 minutes, tile over in 12 hours. 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. Wickes Quick Drying Drive. [email protected]; 118. Preparation is key with these coatings and the substrate must be sufficiently clean and dry. Liquid Damp Proof Membrane Hydraguard is a High Performance Primer. . Liquid-Applied Membrane. Coventry • Member since 2 Aug 2008 • 26 jobs, 100% positive feedback. To contain the liquid, the polythene sheet membrane is then lapped up the walls in a sharp right angle and glued in place with spray adhesive. 0 litres of STOPGAP 1200 Liquid will cover approximately 5. $ 36. The warm air then turns back into moisture, and you can have damp. i would uplift old flooring first and then use a moisture tolerant screed to level off, a 2 part liquid dpm that goes over 97%rh(moisture level), then a dpm sheet just to make. A damp proof course is a barrier that prevents rising damp, which is when water from the soil seeps up into the foundation. 15. is an odourless rubber-enriched bitumen emulsion which provides a highly effective sandwich dampproof membrane for floors. The other way is to have the floor bitumen coated (hot bitumen), it will provide a solid base on which to lay the tiles and provide a damp membrane. The product will not resist rising damp. The liquid membrane is applied. Page 1 of 4. Made from recycled materials. Adhesive: An adhesive or glue is a material, usually in a liquid or semi-liquid state, that adheres or bonds. Damp-Proof Floor Coating. I want to put down either laminate or ceramic floor tiles on top of the existing two layers of tiles. 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. 2. Damp proof membranes are a popular treatment too. 50 per square foot, materials and labor included. £1656. 60 Ex. • Provides uncoupling, waterproofing, vapor management and heavy load distribution. Coverage: 0. Polyproof Polythene Dampcourse Black 380mm x 30m x 500um. then any flooring can be laid over this. 26 October 2021 at 10:21AM edited 26 October 2021 at 10:30AM. (3 Reviews) £22. Whichever type of tanking kit that’s used will depend on the type of water damage (and extent. ) so I am aiming for Bison +45mm as finished floor level. A ready to use primer for enhancing the adhesion between surfaces and Dunlop Tile Adhesives, Floor Preparation and Waterproofing products. Damp kitchen tiles. 99. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. 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. Category: Floor Treatment Tags: Damp Proof Membrane, Damp Proofing. 4M X 20M 1000G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. It is formulated with select elastomeric resilient acrylic polymers and. Can be sprayed or trowel. 3. 6 0. Buy damp proof membrane at Mitre 10. Under floor heating and wood flooring Engineered hardwood flooring is the only wood flooring solution we’d recommend if you have under floor heating because solid hardwood flooring isn’t sufficiently stable to stand. 7x more water resistant than regular primer. It is ideal for use where low odour products are required. However, if you are installing Ditra then scroll. Tiling FAQs and how-tos covering tiling to specific substrates, waterproofing, using tile adhesives, grouts, sealants and fixing natural stone tiles. A Liquid Epoxy Damp Proof Membrane (DPM) is often used as a remedial solution where an existing DPM has failed or was never installed. 00 € 60. This enables earlier access onto the floor for the application of screeds, coatings and other floor coverings including tiles, vinyl, wood and carpets. Listed below are the advantages of using CIM 1000’ s fluid-applied membrane system beneath a thin set and tile assembly: high solids, low odor and VOC compliant. Ready to use, one component, ultra-quick drying, flexible liquid membrane for waterproofing under ceramic, marble and mosaic tiles, for internal and external applications. Technical Data Safety Data. I've found that the only way to damp proof quarry tiles is to lay a 20mm screed of flooring quality mastic asphalt. Hack off all old plaster to at least 450mm clear of all signs of damp or salt and at least 1 metre above ground floor level – use a damp meter to test the walls and remove plaster at least 450mm above the highest level that readings can be obtained. We have two different types of liquid damp-proof membranes. 30 Jan 2022. 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. g. . Newton Waterproofing offers two types of DPM: the physical Dampsafe 802-DPM sheet membrane, and the liquid-applied Epoxy DPM. Merlin Barrier Coat can be applied directly onto wet surfaces free from standing water and when used as a. Hello all, We have a 10 year old downstairs shower set on the existing concrete floor of a 60's house. 0. We supply trade quality DIY and home improvement products at great low prices. We suspect that the tiles are laid directly onto ash and as such there is no damp proof course (or even proper foundations). Technoseal acts as a barrier against methane and carbon dioxide gases. Choose from liquid waterproofing membranes which can be applied for both waterproofing and as a crack isolation membrane / anti fracture. Waterproofing. An insulation foam board needs to be laid directly on top of the concrete floor. Could be your tiles are the original 'unglazed' quarry tiles (terra-cotta) often found in situations similar to yours. 20 liters, 10 liters Empty paint bucket. Generally, when laying self-levelling screed the substrate should be 75% relative humidity or less, if above a liquid damp proof membrane maybe required to suppress the available. Roll out Rugs and Carpets. The. Highly elastic formula remains. Wickes Quick Drying Drive. g. An ARDEX liquid Damp Proof Membrane will protect the floorcovering installation from residual construction moisture and rising damp, where the highest measurable moisture. Hi Pete, I have the answer. coats to eliminate air pockets. Mesh Membrane / Damp Proof Membrane – dimpled plastic sheets, for direct plastering with Carlite Bonding, or ‘dot and dab’ fixing of plasterboard. Guarantees the early laying of all floorcoverings. Damp-proof membrane: A damp-proof membrane has the advantage of being able to be applied to a damp concrete floor and walls. Buy online & collect in hundreds of stores in as little as a minute. All types of floor coverings can be installed on top of a plastic membrane. Laying a continuous damp-proof membrane beneath the insulation is advisable, taking care to overlap with any damp-proof course in the external walls. These membranes fill the pores of the substrate, typically with epoxy or a polymer. co. It is a. The previous owner had put down a laminate floor on top of these quarries with a DIY store underlay which had a foil covering which I think was meant to act as a damp proof membrane. They include flexible cementitious. However, in many listed properties. Newer tile installations that haven’t received much use will be fine with a coating of liquid membrane or sealant. With the right epoxy damp proof membrane, your surface is much more likely to have a great life-span. COVERAGE A 20kg bag of STOPGAP 1200 Powder mixed with 5. Waterproofs bridge abutments, retaining walls. STOPGAP waterproof surface membranes, sand/cement screed, concrete, granolithic, terrazzo, asphalt, steel, old vinyl asbestos tiles, epoxy and polyurethane resins, ceramic and quarry tiles. Place the tile onto the adhesive bed with a slight twisting motion to remove any air pockets. At Fastbuild Supplies, you can find a comprehensive selection. Subfloors must be sound, smooth, dry and. It comes in black or white and has a consistency similar to thick emulsion paint. High resistance to acids, alkalis and other pollutants. Wet Room Shower Bathroom Waterproof Tanking Tape Waterproof Membrane 10M Roll . It is ideal. Thirdly, paint again with the liquid DPM and let that dry. uk. Adhesives come from either natural or synthetic sources. G – Grout all joints. Victorian Quarry Tiles Classic 100x100mm Box of 100. Asian Paints SmartCare Damp Proof is a fiber reinforced elastomeric liquid applied water proofing membrane. (hopefully i have up loaded the pics ok!) looks pretty dry there. This clearly failed as when taking the old laminate up around 25% of the floor was completely damp and the damp had progressed into the old laminate boards. Water-based, liquid applied, waterproof membrane. We have had a damp survey and it is confirmed that there is no issue with rising damp. Features & Benefits: Damp Proof Liquid Membrane - Black Jack - 5 Litres. Thickness: Feather edge to 12mm; Bulkfill 10-30mm with 2-5mm aggregate; Floor Coverings: Linoleum, vinyl. P131 should be used on non-absorbent surfaces of STOPGAP waterproof surface membranes, terrazzo, power floated concrete, quarry and ceramic tiles, sound asphalt, epoxy marine primers,. However, it requires multiple coats to be effective. Drybase White Liquid Damp Proof Membrane - 1L. co. Self levelling compound. Quarry tiles are installed on the solid concrete slab which is a good. PURPOSE : Reserved for exceptionally large areas, and ensures best performance of the SEMCO Liquid Membrane™. Damp proof membranes can be used to help resolve damp issues which. Dam Proof Membrane (Rubber) A damp-proof membrane is especially advisable for roofs that have a low-water-permeable course. If you already have a concrete floor which is damp, then the best solution is to use a Liquid Epoxy Damp Proof Membrane. 55 (inc VAT) Ardex WPM 200 Damp. 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. BBA Damp Proof Membrane Handi-Pak Black 3m x 4m (300mu). PRODUCT CHARACTERISTICSFirstly, paint the quarry tiles with a liquid damp proof course, let it dry. Moisture ingress happens due to concrete being naturally. 4 or A118/15. A specially formulated interior waterproofing primer. Ardex DPM 1 C Damp Proof Membranes One Coat. Schluter Systems. 5 ARDEX WPM 002 Superfl ex Two Part Bathroom & Balcony 20L + 20K Waterproof Membrane for Walls 22 0. Fast-track floor installation in the downtown. Recommended Uses • Balconies and terraces. We have had a quote for taking up the tiles. I would advise a single part flexi tile adhesive on top which will enable you to have stone, ceramic or porcelain tiles fixed. It is available in black or white with a consistency similar to that of thick emulsion paint. Equipped with Microban Anti-Microbial Product Protection. Oldroyd Xs Slimline Membrane is a damp-proof membrane commonly used on top of damp concrete floors or newly-laid floor slabs. 4. The skirting boards should be checked, as should the grouting between the tiles. Conclusion. Our products are designed with the modern builder in mind, featuring eco-conscious technology and innovative solutions to construction issues. Easy Handling & Installation. LATICRETE® tile waterproofing membrane products provide protection for floors and walls for applications ranging from occasionally wet, to continuous water submersion as in showers or pools. This can be left in place However, a surface damp proof membrane (DPM) can be applied to the floor before laying new tiles. You would need building regs approval (i think) when redoing the floor to that. It can be applied easily with a brush to the bedding of concrete or mortar when it is in a hot condition. 1 year waterproofing warranty on Dampness. Ceramic and quarry tiles. This is.