#1. The second coat must be applied within 24 hours of the original coat. 50 Ex VAT. Yes you can as long as it is dry. 29 | 1. One box covers 10 square feet. 1 of 2 Go to page. My n. 9 Jan 2014. As with most tanking. It’s a great waterproof barrier for brickwork, concrete and stone, which means. #2: KA Tanking Slurry. . Contact with lime slurry can cause irritation of the skin and serious eye damage. Tanking slurry is a popular product, it can help you to deal with penetrating damp in many different situations. It should cure your problem unless the damp is coming from somewhere else like the roof or poor. Personally, I wouldn't use it. Oct 12, 2011. Hello guys, I’ve been looking for the information but can’t find an answer so would appreciate your help. 4 years ago. MPN: SKDPSLUR25. Sandtex Microseal Smooth Masonry Paint | 2. Low temperatures and poor ventilation will extend the drying time. 4. This is the. PLEASE NOTE: This is a two product system made up of the Ultra TileFix ProScape Mortar and Ultrascape Outdoor Slurry Primer. £44065. open all doors and windows. Examples of tanking membranes include: Bituminous bonded sheet tanking membranes; Bituminous paint tanking membranes; Polyurea tanking membranes;. Flat and level surface. You could look into a latex floor or just apply the tanking slurry to the floor, add a little to the walls 1 or 2 courses up (depending on how much tanking slurry is leftover after doing the floor). Hello guys, I’ve been looking for the information but can’t find an answer so would appreciate your help. You can use a wire brush or pressure wash for this. Kingfisher Aquatech Tanking Membrane is the ultimate brush applied tanking solution. Can you tank a damp wall? Tanking slurry can be used on a damp wall above ground to stop the passage of water. In warm and well ventilated drying conditions allow 1 day per millimetre up to 40mm in thickness, so 40 days if 40mm. #3: Multicrete Tanking Slurry. We were all set to proceed until my handyman came down with Covid. Type. Been a plasterer /damproofer for 28 years and yes you can use SBR and Paint over it but will need to give a sand or LIGHT. . Pros. Slurry must be applied quickly as it will start to set around the 45 minute mark. Some people say I should drill it anyway and plug the hole with silicon. Sika Damp-proofing Slurry is a ready to use just add water, water proofing brushable or trowelable membrane. However, you should use a dilute SRB to prime the surface before applying a plaster finish. In the BAL Tanking kit instructions it says, Surface considerations: FIBRE CEMENT SHEET BACKGROUNDS: Ensure that. What are you supposed to throw on top of the tanking slurry? Plaster can be applied on top of tanking slurry. On large scale jobs it can be spray applied but in the main, we advise the use of a good quality masonry brush. mikeey84. For showers, wet rooms and wet zones in bathrooms. £32. The good news is that something like tanking slurry is far more simple. I’m hopeful this is condensation, but I’m concerned the tanking has not worked. If there are salts or other hygroscopic (moisture-attracting) materials in the masonry, the amount of water drawn into (and retained in) the wall can be sufficient to make the wall visibly damp, even in dry weather. Each tub can cover 16m2. External tanking is usually carried out using “type A” waterproofing systems, a term defined under BS 8102:2022 as products that are fully bonded to the structure such as self. For interior and exterior use. Whilst this is still damp, apply one coat of tanking slurry 100mm up the wall and 100mm across the floor. 2. Pros. the surface to become touch dry and 5 days before over coating. Just put it on scratch it up and leave. 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. Check Price. Jord86 said: ↑. Determine the position of the water table Steps 2 and 3. 16. Patch up the ceiling around the perimeter. For example, if there is a significant problem with damp rising through your quarry tile. #5: Everbuild Aquaseal Tanking Kit. Prime the surface and leave for 15 minutes before applying KA Tanking Slurry. uk and we will be happy to answer any questions and help find the right products to suit your needs. KA Tanking Slurry is the complete crystalline solution to waterproofing masonry and blockwork. Applying Wall Tanking. mikeey84 said: There are proprietary slurry primers for paving, but I doubt they are available outside of specialist retailers/merchants. applying tanking slurry. After discovering in a post that bitumen can not be tiled over. PermaSEAL Tanking Slurry White 20kg Bucket. 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. You just need tools to mix and apply the tanking slurry. Part of the Ultra Scape Streetscape System, which guarantees compatibility and reduces split liability. I wondered if I could run some tanking slurry or liquid DPM (if it exists) over the top of the slab to prevent moisture getting. On it im planning to use "Mapei Floor & Wall Tile Adhesive Grey 20kg" to fix 30x30cm ceramic tiles. After doing a lot of research seems some systems suggest an SBR slurry, render then tanking and others say tanking bare brick then a render. If you don’t know what the old paint is, you can scrape off a few chips and have them tested at a local paint store or send them out to a manufacturer such as Ramuc. Hello guys, I’ve been looking for the information but can’t find an answer so would appreciate your help. I am renovating a house and have used KA Tanking slurry on various outside (solid) walls to control any damp issues. 8. Trend. Tanking slurry or backer board? I have to tile an area around a bath shower which is plastered walls (mix of old plaster and patch repairs with new plaster). To tile onto a tank, you first need to make a hole in the bottom. Tanking slurry can be painted over with a water based paint, such as a standard emulsion. recently had cellar tanked by contractor who used k11 grey slurry. This could lead to difficulty getting the new tiles level and fully supported by the new thinset. Hotels Accommodations Blog. The next stage of the process is to fit plywood (typically 12mm or 18mm). the latex was to be used prior to tiling because of the remains of bitumen on the floor,. reflective screen printing; shein beads for jewelry making5. Apply the Tanking Slurry. Ready to use, easy to apply. One advantage of doing this is that it is time-saving. We can offer impartial advice on the damp proofing products available. What Floor can I lay on KA Tanking Slurry. 9 posts • Page 1 of 1. 2. The slurry creates a watertight barrier, that will stop moisture from passing through its surface. you can rest assured that your patio will remain exceptionally strong for years to. Lay a 4-foot level on the old tile and mark any high spots. Which type of coating is chosen will depend on the intended use of the floor. To remedy this we recommend priming the floor/surface with a 1:2 ratio mix of SBR and clean water. if possible, mix on a windy day. At this point a water based emulsion can be added. If your old tiles are in good condition. A properly tiled wall provides a great base to work with as Stephen Russell from Ashley Cross Tilling explains: “Tiling over tile is one of the best "fixes", because the original tiling is a flat surface that needs. Answered 5th May 2021. Seals and stabilises surfaces prior to applying tiles. This provides a more even foundation for the new tiles to adhere to. 12. If your tanking slurry has been applied in the bathroom or kitchen, you may even want to tile on top. The slurry can be applied in one, two or three coats depending on the amount of hydrostatic pressure (the amount of pressure. NewHouse Newly registered Member Posts: 5 Joined: Thu Jun 18, 2015 11:11 amSika Damp-proofing Slurry is a ready to use (just add water), high quality, thin layer waterproof slurry coating, based on special cements and admixtures to provide a water and damp proof finish. . Start the first coat by applying the slurry in a horizontal motion across the bricks. 1. Remove the Mapei slurry kit then reprime if needed, follow up with the leveling. Its a high quality thin layer waterproof slurry coating. The surface was very porous, throw a cup of water on it, and is soaked into the wall before it got chance to make it to the ground. Polycell One Coat Damp Seal - 2. How to grow moss on concrete. Hi lads, I have a very lightly damp detached garage concrete slab floor (fairly certain no dpm has been used when house was built) which I intend on tiling, my question is, if I apply a ka tanking slurry over it can I tile straight on top of this or does it need self. Bostik Tanking Slurry is a breathable waterproof coating for sound brickwork, concrete and stone. Technically - it can be done but in practice it is avoided. Tanking Slurry available online at Multicrete Products Ltd. boys' sprayground backpack; pond sediment removal pumpWithin this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. 17 Aug 2017. Mapei Mapelastic Aquadefense Waterproof Membrane - 7. Country. customer churn project. In addition, where such barriers are applied to the internal face of a structure, water in the ground externally moving through that structure (from the outside in) will essentially bear upon the tanking at the internal face, applying a pressure which. This also includes any loose debris, dust paint or render. A masonry brush is used to apply the slurry onto the walls. Hi guys. On large scale jobs it can be spray applied but in the main, we advise the use of a good quality masonry brush. I have since built walls and a roof over this slab but have problems with moisture build up mainly due to the metal roof. When rendering over tanking, remember the is no suction what so ever. When plaster has been affected by rising dampness, salts originating from the soil particularly chlorides and nitrates are deposited within the plaster. Apply second coat vertically once the first is dry but make sure this is done within 24 hours of the first coat drying. Sugar soap diluted in warm water is perfect for this. Ash Building Contractors. Again, this can be done in a variety of different ways. f. The box contains nine sheets that can be cut to size. Ideal for wetrooms, showers, steamrooms and bathrooms. Allow the sealant to dry for at least 1 hour before over coating. They also tanked around the shower and bath,. The generally accepted method of actually tanking a surface is to apply a mix of “tanking slurry” or cement mixed with a rubberised liquid to form a waterproof coating on the inside of the basement or cellar wall. Need some professional advice on waterproofing my 3ft garden flowerbed retaining wall. 1 requires that. It is ideal for tanking cellars and basements, keeping them dry by effectively blocking water ingress. Tanking slurry works by filling the pores and capillaries in the wall and, once set, forms insoluble crystals that block them, creating a watertight barrier. e. Dip a paintbrush into the mixture and paint it into its intended spot. £6. Don't worry about lack of adhesion due to the surface being smooth - tile adhesive will adhere to almost anything, including the polished glazed surface of previous tiles. Applying what we call a slurry bond coat over the clean existing grout can help. £35. You can order up to 3 FREE cut samples (10cm x 10cm) at a time. 00 Ex VAT. NewHouse Newly registered Member Posts: 5 Joined: Thu Jun 18, 2015 11:11 amUsed on 1 metre by 0. I've dug out and exposed one side and will cut back the DPC as close to the brick joint as possible. Like 0. Add 4. However, these are not your only options. Can be brushed or spray applied. I hope you enjoyed these beautiful DIY brick fireplace makeovers! And if you have a TV over your fireplace, I’ve got a great tutorial for a DIY TV frame. Most DIYers use the SBR mix. e. 1. To achieve these objectives cylindrical tanks with conical or flat bottoms are used and the velocity of the feed slurry entering the settling tank is minimised to reduce turbulence in the settling tank. 2 as follows: Building elements in wet areas within a building must—. If the coating is not going to be the final decorative surface and. 8. Can I dab board straight on to that ?Any thin spots, weak points or high spots can wear through; forming ruptures and blisters. Even if the tanking looks damp or darker in certain areas a render can still be put over the surface as the whole area will dry together. Rising damp normally goes to around 1m so to be safe add a bit. This has made tanking an extremely popular method of treating and waterproofing damp walls underground. Do you have to wait four weeks before you can tank and then tile on new plaster, the BAL WP1 data sheet states that new plaster must be at least 4 weeks old before tiling. Hello guys, I’ve been looking for the information but can’t find an answer so would appreciate your help. The second problem relates to the finished aesthetic. A: A 25kg tub of KA Tanking Slurry will cover two coats @ 8sqm, and it. by Surveyorman » Sat May 30, 2020 11:11 am. second coat. This means that they have. However I am unsure on the longevity of this and whether a. HardieBacker 12mm can also be used on the floor when additional height is needed, behind a boiler, or even behind a multi-fuel or log burning stove. Remove the Mapei slurry kit then reprime if needed. 1. KA tanking slurry. However, this is not 100% straight forward. As with most tanking slurries, PermaSEAL Tanking needs to be covered by at least a 10mm coat of three parts sharp washed sand to one part cement or. This coverage will depend, however on the roughness of the substrate. Designed to function against water penetration in various conditions, it can be used in foundation slabs, tunnels,. £38. Our Liquid DPM paint that can be applied above and below screeds to provide an elastic damp proof membrane for floors. #1. Position the tile as you go. It can be applied as a slurry coat to well prepared and clean brick-work or masonry forming two layers over the floor and wall, applied by brush or trowel to a depth. QUIKRETE® Elastomeric Coating is a synthetic product that can be used to coat concrete and stucco. We moved into this house in 2020 and there was paint blistering on the walls downstairs. Drill holes should be filled with silicone. What you'll get from this page: Top-Rated – The Best Tanking Slurry: #1: Sika Damp-Proofing Slurry. Packaging KA Tanking Slurry is supplied in powder form in 25kg and 12. and this slurry gives the grip and adhesion you need, mix it as per instructions and it works perfectly. For showers, wet rooms and wet zones in bathrooms. #1. Potential problems with dot dab over tanking slurry. Tanking. Add the 25kg of Bostik Tanking Slurry slowly, mixing continually using a paint/plaster mixer fitted to an electric drill. You can tile over tile, if the existing tile is structurally sound. A: Concrete floors are a prime example of where tanking can go wrong. The surface textures of porcelain will also tend to be much more uniform. water and free lime causes the tanking slurry to form insoluble crystals which block the pores and prevent passage of water. 15 Feb 2021. The tanking slurry is usually applied in two coats or more, according to the consistency of the mix and the wall’s state. Make a mixture of SBR and neat cement ( no sand) in a ratio of 1:1 by volume . Then apply a coat of bonding to build out he level so that I can dot and dab a moistyre resistant plaster board from floor to ceiling. You can apply waterproofing. This tanking paint by Pro-Build comes in a 25kg pack and is available in white or grey. ka tanking slurry second coat. Tanking is primarily used to tackle water ingress, and basement tanking is particularly good at resisting hydrostatic pressure i. A: You can paint over KA Tanking Slurry once it has dried, but treat it like new plaster, and only a water-based emulsion paint should be applied in the first six months. Spread the tanking slurry out using a soft broom to the desired thickness. #1. Once mixed, apply it to the wall in horizontal strokes, using a masonry brush. Designed to function against water penetration in various conditions, it can be used in foundation slabs, tunnels, irrigation channels, bathrooms. KA tanking Slurry can be applied to new or old structurally sound surfaces. You can plaster over tanking slurry. Tanking the wall will make double sure you've cured the damp and dry wall is fine on tanking or bare bricks, you could also use a plastic tanking membrane but probably more cost affective to use cementious. Just put it on scratch it up and leave. Lay a 4-foot level on the old tile and mark any high spots. You can apply waterproofing. In many cases your tanking slurry might be somewhere like a garage. 2 minutes). This will help you get complete coverage over the wall. Thicker substrates require 2 days per mm. £6. Expect to see the most growth within six weeks. Pour the quantity of water into suitable mixing bucket / container. 2k epoxy primer spray can dry time; tortuga setout 45l dimensions; air conditioner water heaters; portable washing machine and dryer; tc electronic rh750 manual; best beauty products to dropship 2022; ka tanking slurry second coatinfosecurity magazine. g. For waterproofing before tiling. Once these are in place, you can rotate through spreading adhesive, scoring, and laying. Robust waterproofing of basement walls. Butter the back of the tiles with a thin layer of tile adhesive before placing the new tiles over the. 2 minutes). It is suitable for use internally or externally to waterproof areas prior to tiling. We called a damp proof ‘specialist’ out to help and they took half of the wall back to the masonry, then damp proofed with slurry and came back to plaster the walls, and only half-skimmed which is what we asked for as. in any room containing a washing machine, the wall area from finished floor level to a minimum of 75 mm above and 75 mm each side of the washing. Applying a tanking slurry will also require you to prepare the surfaces thoroughly. Argyll. I had a cementone SBR bottle (see pic attached)at home and was told it was ok to use for tanking my bathroom wall (shower area) which be tiled over, tiles size 300 x 600 but it just came to my mind to check it before carry on with the works. Ka Tanking Slurry - Grey 25kg (42) £54. But that won’t fix the musky odor of the. 5m² per 5L depending on porosity of substrate. Tanking. When the foam fully expands and dries, it can be trimmed down. In the end, I painted with white sandtex smooth masonry. #6. First, to access the actual seams or veins of ore, the top layers of rock or overburden must be removed. I've used it under tiles, the tile adhesive stuck to it well, so I don't see why plaster wouldn't. of me is thinking that it may not allow the plaster to adhere to the wall but when I read info on the page it says you can tile into it and I guess tiles would be heavier than a layer of skim?Plasterboard for drylining can be bonded using plaster dabs, Sikaflex® 11FC or Sikaflex EBT. If so you could scarify the existing tile and then apply a polymer modified patching mortar over a slurry bond coat of a polymer modified thin-set mortar over the existing tile to fill and slope the surface. Mix a Thinset mortar to attach tile to the surface if desired. The only place I waterproofed mine was along the bottom 100mm as I was tanking a wetroom If in doubt - call Hardie, the number is FREE. Wash down the pavers with ECOPROTEC® Stone & Tile Intensive Cleaner, diluted 1:3 with water. . Use on plasterboard, MDF, plywood. A: You can paint over KA Tanking Slurry once it has dried, but treat it like new plaster, and only a water-based emulsion paint should be applied in the first six months. 1, except that— . 5L (22) £35. It's a great product and does exactly what it says on tin. This will give you a key to render on to after 24 hours. You can tile over if it is scarified and cleaned and you use the proper polymer modified thin-set mortar adhesive. 1. 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. Step 4: After you’ve applied the first coat, let it set for approximately 6 hours then apply a second coat using vertical strokes. MPN: SKDPSLUR25. One advantage of doing this is that it is time-saving. In hot and dry conditions a fine mist of water should be sprayed over before the second coat is applied. #5. In this case, you’ll need to do something called overboarding, which involves adding a layer of marine-grade plywood (not the inexpensive ‘sheathing’ plywood) on top of the floorboards - the thicker the better, with 12-18mm recommended for better. Although I don't think there are any damp problems, a builder has advised as a precaution to paint a slurry coat of SBR / Cement on, then paint on a tanking, then render over it (to take. To do this, fill a bucket around ¼ of the way up with water, and start to add the slurry. A sloppy mix of 50:50 S&C will be an adequate slurry for most situations. How much Damp Proof Paint do I need?. Where it can be used KA Tanking Slurry can be applied by brush or spray to new or old structurally sound surfaces, without a bonding. Thanks for the help. Downloads. I have a cellar to refurbish and are going to tank it with 2 coats of KA Tanking Slurry after the necessary prep work. The main job of tanking slurry is to stop damp and moisture from penetrating walls and floors. Render coat should contain SBR to assist bonding and floor coatings should beTiny defect but water still penetrates this slurry system. What do you put over Tanking Slurry? You can plaster over tanking slurry. Slowly add the powder to water whilst continuously mixing with a mechanical paddle/stirrer. Tanking membranes are applied to a building in order to provide a physical barrier to prevent the ingress of water. In theory if you scuff the surface, then you'll be removing the silicone coating on there, so in theory applying SBR - or even the mortar or slurry direct - would work. Plastering always comes last. This additional waste rock is called gangue. water pressure on underground walls from the surrounding earth. How much Tanking Slurry do I need? KA Tanking Slurry to 1 part clean water by volume. most older buildings need original materials in order to work properly. Attach two layers of 60mm extruded polyurethane insulation boards to the newly slurried walls, with taped. PCI Pecitape® 10 x 10. I can't answer much of your questions, but yes you can dot and dab onto bonding plaster without SBR. 5 sand to one cement with waterproofer following the guidelines for whichever one you use, don't use anything that plastisizes ,you can scoop the render onto the floor in a rounded fashion. You can apply the tile to the Thinset liquid resurfacing slurry, but this is only recommended for experts who are use to the fast setting time. Drybase® Elasticised and EL2 Tanking Slurry are both. 9. Mixing your tanking slurry. Protects water sensitive substrates from exposure to water. You can tile over tile, if the existing tile is structurally sound. Use vertical strokes over the first coat of tanking slurry. Water vapour permeable. Can be used in conjunction with Bond It Plug-It (BDH106). Another great option is tile backer boards. How Permagard can help. One box covers 10 square feet. Hi lads, I have a very lightly damp detached garage concrete slab floor (fairly certain no dpm has been used when house was built) which I intend on tiling, my. Watch this video for tips on how to tile over tiles, what to avoid and what steps to follow for a success. Tanking Slurry done wrong advice. Pay particular attention to grout joints or depressions to ensure a consistent level across the entire area. 2 and insert SA 3. Mapei Mapelastic Aquadefense Waterproof Membrane - 7. I did a slab around 6years ago with no DPM underneath. As it seals and fills an area, it will give some protection against penetrating damp. There is only one caveat and that is for thincoat renders to work properly you MUST measure each mix and, even more importantly, once you think. Country. wilkinson wvs 130 locking saddle bridge. It comes in 25 kg buckets and costs around £30-£35 depending on what type you get. keep children away from the area at all times when working with slurry. Although I don't think there are any damp problems, a builder has advised as a precaution to paint a slurry coat of SBR / Cement on, then paint on a tanking, then render over it (to. 40 Inc VAT-+ Add to Basket. INNER WORLD DESIGN & BUILD LIMITED. Every technique I read was different, including the slurry you've mentioned. Make sure you use the right amount of water as mistakes can make it ineffective. 1. £35. Wear a protective mask before mixing your tanking slurry, as the chemicals can be harmful. Additionally remove any other items that shouldn’t be. British Standards already supported waterproofing in commercial wet areas, but under the new BS 5385-1:2018 clause 6. Drybase® Elasticised Tanking Slurry is a powerful tanking treatment that can withstand up to 7 bar active and passive water pressure. Cement based render: Use a slurry bonding coat con-sisting of 2 parts sand, one part cement gauged to aCountry. Based on special cements and admixtures to provide a water and damp proof finish. This section goes through the steps 1-9 above, and shows where KA Tanking Slurry can (and can’t) satisfy the requirements of the Approved Documents and BS 8102:2009. There are 25 beautiful and creative ideas. Will be laying this over tiles SBR) Have seen some posts on other forums about it, but was wondering if anybody on here (my. KA Tanking Slurry is the complete crystalline solution to waterproofing masonry and blockwork. Ideal for Use in Basements/Cellars but may also be Used as an External Coating for Concrete, Brick, Block & Bonded Renders. Suitable for. Gypsum plasters must not be used. Paint on tanking solution. KA Tanking Slurry is the complete crystalline solution to waterproofing masonry and blockwork. The previous section covered the best way to avoid any damp issues, when installing boards with a standard board adhesive. Sika Waterproof Coating Grey 5kg. As a result, you can use it in a range of jobs. These are a great alternative, especially if you are tiling over a stud wall that needs new boards, or even planning to overboard. In warm and well ventilated drying conditions allow 1 day per millimetre up to 40mm in thickness, so 40 days if 40mm. Sand all the tiles with a belt or orbital sander (80-grit) to scratch any surface glazes. Originally there were some damp patches on. For Interior & Exterior Use. 3. First, clean and then sand the surface of the old tile until it feels rough. Country. External tanking is usually carried out using “type A” waterproofing systems, a term defined under BS 8102:2022 as products that are fully bonded to the structure such as self. Most self levelling compounds are hygroscopic if they are more than 3mm thick so after you’ve coated the floor with the SBR mix , level the floor and then a final coat of the. And third, let this coat dry for 24 hours. Can I render over Tanking Slurry? A: A 25Kg tub of KA Tanking Slurry will cover – 2 coats @ 8sqm and it can be rendered over to form a painted finish. You simply adhere the stickers to your existing tile or wall and then press your tiles onto the stickers. No. I pretty much refuse to use it. Make sure the surface is. Sand all the tiles with a belt or orbital sander (80-grit) to scratch any surface glazes. Solution to water Leakage. Pour the required amount of water into a suitable bucket or other mixing vessel. Answered 9th Aug 2020. This is a popular option and is relatively simple, boards are fixed to the tanking slurry with an adhesive and plaster is skimmed over the boards. Following this you could cover with filler, plaster, or just paint. Barcode: 5055047201021. 00 |16 sq m / litre | Dirt resistant, breathable and waterproof masonry paint. The big issue is going to be the smoothness. 25. Designed to function against water penetration in various conditions, it can be used in foundation slabs, tunnels, irrigation channels, bathrooms. But, before applying a plaster finish, you should first prime the surface with diluted SRB and let it dry completely. Ikopro Bitumen Paint - Black 5L (54) £32. You do not have to allot work-hours to pull up the existing tiles which means the tiling work can be finished much faster – and all without the. This would cover the current DPC layer and even the two courses of bricks between the DPC and the foundations. The Koster NB1 tanking slurry should be applied in two coats in accordance with the product data sheet (you can download the data sheet from the Koster NB1 product page, here ). For waterproofing before tiling. This area has been tanked with the 'bal wp1 tanking kit' directly onto the plasterboard and will be tiled later.