To tile onto a tank, you first need to make a hole in the bottom. g. This slurry is also robust enough to be used for swimming pools. applying tanking slurrypersonalized lunch box and backpackpersonalized lunch box and backpackPermaSEAL Tanking Slurry is a single pack cement-based coating, consisting of Portland Cements, blended and formulated with quality graded aggregates and chemical modifiers. the surface to become touch dry and 5 days before over coating. 2. 1. Finish plasters can be used. 1. Tanking membranes are applied to a building in order to provide a physical barrier to prevent the ingress of water. if there is polystyrene backing is rather advisable to fix it with some screws in addition to dot and dab, this can be gained (without damage/weakening to your slurry by installing couple of treated buttons on the wall using gripfill or other no more nails stuff, next dot and dab and screws. 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 through the slab. For waterproofing before tiling. It can be used for basements, foundations and tunnels, as well as bathrooms, shower rooms and wet rooms. Inner Walls and Cavity Walls – Block. One way to achieved this, is with insulated plasterboards, these can be fitted to your wall with timber battens. Nov 6, 2017 #2 Yes you can as long as it is dry. Plaster may then be applied in the normal way. Seals and stabilises surfaces prior to applying tiles. £35. However I am unsure on the longevity of this and whether a. Finish Coat Stucco can also be used over One Coat Fiberglass Reinforced Stucco. Stagger the joints though, you should have no more than 3 boards meeting at a join rather than 4, sort of brick bond laying. First things first, yes, you can tile over a brick wall. hi can i microconcrete over a bathroom which has been fully water tanked over with tanking slurry? Answers much appreciated AlanTanking slurry on brick floor. second coat. There's an alternative to tanking slurry, it's a plastic membrane that's pegged to the wall, any moisture that passes through runs down the membrane, into a channel around the perimeter of the room , directed towards a gully, with a small sump pump that pumps water out, I use it a lot it's brilliant stuff I've done a couple of cellars. PLEASE NOTE: This is a two product system made up of the Ultra TileFix ProScape Mortar and Ultrascape Outdoor Slurry Primer. . You will not regret using it. Once the overburden has been removed, the seams can be extracted. #1. Whilst this is still damp, apply one coat of tanking slurry 100mm up the wall and 100mm across the floor. #2. if possible, mix on a windy day. Sika Damp-proofing Slurry is a ready to use just add water, water proofing brushable or trowelable membrane. Lay down another 2mm (. Advantages. Can be used internally and externally. 5 to 15 kg KA Tanking Slurry. Robust waterproofing of basement walls. Hotels Accommodations Blog. Plymouth • Member since 24 Nov 2015 • No feedback yet. 67 per KG . But that won’t fix the musky odor of the. September 25, 2022. This is called the “tanking” method and it’s the best way to do it because it makes the tile more even and prevents it from becoming lumpy. 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). Step 4: After you’ve applied the first coat, let it set for approximately 6 hours then apply a second coat using vertical strokes. 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. One box covers 10 square feet. reflective screen printing; shein beads for jewelry making5. Go to They sell something call Compact All Civil which I think of as the SBRs big brother. The silicone wot's gorn below the surface can darn well stay there and do its business - it's only the surface contact wot matters for adhesion. Once applied, it creates a waterproof barrier. Can be applied externally & internally. i checked the bostik contents,. BAL Tank-it is the ultimate waterproofing system providing complete protection in any environment. You could paint on a latex as a primer to help facilitate a bond, but you still need some depth. When applying with a brush the first coat should be applied with vertical brush strokes, the second with horizontal. Applying what we call a slurry bond coat over the clean existing grout can help. Hi. £6. These salts are termed as “hygroscope”. This can include the use of self-adhesive membrane sheets, liquid-applied membranes, tanking slurries, or a combination of these. 16 per KG . uk and we will be happy to answer any questions and help find the right products to suit your needs. Mist the slurry layer regularly while taking care not to soak it. Another great option is tile backer boards. 2. You will not need to dig up the existing floor to replace the DPM. Next. Then, use a paintbrush to apply the slurry liberally to your concrete surface. Sand, so that the adhesive can bond. Again, this can be done in a variety of different ways. The prepared slurry can be applied easily using a brush, broom or spray, and it. Can be brushed or spray applied. I often go slightly more on the SBR, then just mix in the adhesive until a smooth consistency a bit like thick self levelling compound. The second coat must be applied within 24 hours of the original coat. Drill holes should be filled with silicone. The second coat should be applied at a different angle to the original coat as soon as the first coat becomes touch dry. Get rid of or pre-treat wallpaper (if present) Repair any cracks or signs of damage. AS 3740-2010 A3. 4 years ago. 8 Jan 2017. Check. The box contains nine sheets that can be cut to size. For example, if there is a significant problem with damp rising through your quarry tile. Trusted by structural waterproofing professionals for over 20 years, Aquatech Tanking Membrane is often used for basement renovation. . The second problem relates to the finished aesthetic. This is called the “tanking” method and it’s the best way to do it because it makes the tile more even and prevents it from becoming lumpy. Ideal for internal and external use as a waterproof render, it is suitable for use on walls prior to plastering and on floors prior to self-levelling. Here are detailed steps for both layers. Simple to mix, with only. Either cover with a cement boared like Marnix fully bedded or tank out with Arden waterproof membrane hope. Tanking Liquids - brush onto damp walls and floors - no smell, no solvents. When extracting the seams, there is additional waste rock that must be separated from the ore. Thst said, it should help you with the biggest problem with skimming artex which is that the water in the skim can soften the artex and make it come away from the ceiling which usually happens just as you are trowling up. Single coat system, no priming required. Menu. recently had cellar tanked by contractor who used k11 grey slurry. 3 for "Tanking", it will now also be recommended to waterproof domestic locations as well. bricks, tiles, coping stones, kerbs etc. Ön itt van: casetify iphone 13 pro max mirror case / 4 pillars of observability / small hand water pump / wera torque screwdriver / applying tanking slurry. Plaster: If plaster is to be used it must be ensured that cement based “renovating plaster” is used. The good news is that something like tanking slurry is far more simple. 9 posts • Page 1 of 1. Often you won't be able to do much with this coat as it will slump, so it is usually scratched or scudded for. 16 Oct 2018. Polycell One Coat Damp Seal - 2. 1, except that— . As basements are located below ground, they’re highly likely to suffer from damp. Render coat should contain SBR to assist bonding and floor coatings should beTiny defect but water still penetrates this slurry system. Simply add around 20% water to the existing masonry paint for your first coat. My other half does not think tanking is necessary unless you are doing a wet room (we are doing a shower with tray) and definitely won't wait that long. You can plaster over tanking slurry. The following day I used the remaining tanking slurry to go over the floor with a final coat. How do I remove SBR?. Use on plasterboard, MDF, plywood. I've now finished tiling the walls and would like to paint above the tiling, but the tanking above the bath goes above where the tiles end. Timber battens can also be bonded with Sikaflex® 11FC or Sikaflex® EBT. 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. Sika Damp Proof Slurry DPM 25kg. 25kg of KA Tanking Slurry will provide 2 coats, each at 8m². 8. Fully wet the walls (this will help the tanking slurry adhere). This more straightforward solution will save you the headache of removing the old tiling, installing the new ones and spending a great deal of time cleaning afterwards. A gallon should yield one coat of 100 square feet. The surface textures of porcelain will also tend to be much more uniform. 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. You can tile over tile, if the existing tile is structurally sound. Gypsum plasters must not be used. 27 Oct 2016. If you want to talk to a waterproofing professional about tanking in your property, or any other alternative waterproofing options, then give our experts a call today on 0800 633 5712 or use our contact form below. #plastering #tanking #dampproof #Hi Everyone, Welcome to my channel! Every Tuesday I’ll bring you tutorials, tool reviews and vlogs all about plastering. Hi. Jesus some ridiculous answers. I'm going to dot and dab my living room (1920's semi with cavity walls) which were lime rendered and are now back to brick. #6. However, this is not 100% straight forward. Forms a permanently flexible watertight membrane. For example, 5 litres of water will require 12. Where ground water pressure is penetrating the wall or floor then special conditions of installation must be met. Aggregates are calculated as dry Portland cement Sand (see notes. KA Tanking Slurry is the complete crystalline solution to waterproofing masonry and blockwork. One advantage of doing this is that it is time-saving. 2 minutes). any suggestions what this might be its not condesation. protrude. Finish plasters can be used. KA tanking Slurry can be applied to new or old structurally sound surfaces. 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. I recomended hacking the whole wall back to brick, 2 coats of tanking slurry then re-render / plaster & paint. The plan was to paint the below ground brick and over the dpc with a bitumen emulsion and back fill. If applied correctly, this barrier will completely stop problems such as penetrating damp. You will not need to dig up the existing floor to replace the. 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. This will help you get complete coverage over the wall. It has such a gorgeous cottage look to it. But that won’t fix the musky odor of the. #1. Another advantage of this renovation technique is its affordability. Option 3 – Apply a liquid DPM. 2. For interior and exterior use. Gripset offers Primers & Additives, Liquid Membranes, Sheet Membranes, Cement Based Waterproofing, Tile Systems, Wooden Protection & Repair, Masonry Protection & Repair, Pavement Protection and Joint/Junction solutions for largest and most demanding projects. Going to use an SBR slurry mix on back of the slabs before laying, to aid adhesion to slabs etc, what is the best mix, some require no water others suggest 1:1:5 (sbr/water/cement). This also includes any loose debris, dust paint or render. 67 per KG . 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. Watch this video for tips on how to tile over tiles, what to avoid and what steps to follow for a success. You can plaster over tanking slurry. Joined 7 Jan 2011 Messages 1,503 Reaction score 200 Location. If you want a professional application of tanking slurry to your cellar or basement there are few choices out there equal to Peter Cox. The unfortunate truth is that fixing porcelain tiles with a wet bed mortar system is inviting a future failure. first coat didnt work had water droplets coming through. 17 Aug 2017. Grout: Once the adhesive has set, remove the spacers and apply grout. If there is no other way, you can tile over porcelain and ceramic tiles as long as they are solid and can support the new tiling. . 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 and can’t find any information about it so. My n. PermaSEAL Tanking Slurry is easy to use - you can apply it directly. Applying a tanking slurry will also require you to prepare the surfaces thoroughly. What are you supposed to throw on top of the tanking slurry? Plaster can be applied on top of tanking slurry. How much Damp Proof Paint do I need?. 12. Check Price. £2. When the foam fully expands and dries, it can be trimmed down. Tanking. If you get it on in one coat it can take 6-8 hours to be ready to devil float. Apply tile adhesive over the existing tile floor. Tanking should be provided wherever a floor level is below ground level. 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. Tanking is highly advisable. Tanking Slurry done wrong advice. Barcode: 5055047201021. The feed in the form of slurry is generally guided by a launder, which is. I pretty much refuse to use it. #3: Multicrete Tanking Slurry. 1. Water vapour permeable. Aggregates are calculated as dry Portland cement Sand (see notes. Can You Tile Onto Tanking Slurry. This is the. It is advised, to use a 1:1 SRB and water mixture over the finished tanking slurry. 25 Aug 2017. Mixing the crystalline slurry: PermaSEAL Crystalline Cementitious Tanking is mixed on site with water. Some fitters are obsessed with using hardibacker and tanking. It is advised, to use a 1:1 SRB and water mixture over the finished tanking slurry. Solution to water Leakage. f. For use on tanks, pits and swimming pools, above and below ground walls and floors, cellars, underground rooms, interior spaces, e. One of the main advantages of tiling over existing tiles is that it is time-saving. most older buildings need original materials in order to work properly. Below ground, you can use tanking slurry by itself as a form of Type A Waterproofing (barrier system). Seal the walls to the floor using bituminous paint. The box contains nine sheets that can be cut to size. Colour: Grey. 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. Once the second coat is dry, you can paint over it, or apply further decoration such as wallpaper. When rendering over tanking, remember the is no suction what so ever. This means that they have. First, clean and then sand the surface of the old tile until it feels rough. 16. In these cases, we suggest the use of a bonding slurry coat (the approximate mix is 1 part SBR bonding additive : 1 part water: 5 parts cement) which is then brush applied over the substrate. . In my bathroom, I waterproofed an ordinary new-plasterboard wall with this dampproof liquid, "Bostik-Flexible-Liquid-Damp-Proof-Membrane-2". Remove the Mapei slurry kit then reprime if needed. Ideally, you will want to identify and resolve the source of damp before applying it. As it seals and fills an area, it will give some protection against penetrating damp. Never tile on a skimmed area for at least 4 weeks . 0 Liters of water is required for 20 kg Tanking slurry. supplied in powder form in 25Kg plastic tubs. When rendering over tanking, remember the is no suction what so ever. 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. Weight: 25kg. #3. f. Wait until the primer is tacky (not completely dry), then apply the plaster finish. We can offer impartial advice on the damp proofing products available. Tiling over tiles means there is no need to spend time removing old tiles and cleaning the bare floor afterward. 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. Country. Below are 3 different ways you could consider installing boards over your tanking slurry: Alternative 1 – Building a stud wall So far, the two options we have mentioned involve tiling over tanking slurry, or a tanking membrane. This method also eliminates the stress involved with demolition and tile removal. You are where you are now so just do as roger says and tank the whole lot a good few times. Remove the boiler and replace once plastered. In the end, I painted with white sandtex smooth masonry. 5L (22) £35. If you have any questions or need more information contact our technical team on [email protected] or call 0117 982 3282. 8. Grind them down using a right-angle grinder with a masonry wheel. Storage Store in a dry place and protect from frost. 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. 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. But, before applying a plaster finish, you should first prime the surface with diluted SRB and let it dry completely. A sloppy mix of 50:50 S&C will be an adequate slurry for most situations. The slurry can be applied in one, two or three coats depending on the amount of hydrostatic pressure (the amount of pressure. Plastering over tanking membrane. Once these are in place, you can rotate through spreading adhesive, scoring, and laying. I've used it under tiles, the tile adhesive stuck to it well, so I don't see why plaster wouldn't. Priming a wall before tiling is sometimes necessary to create a lasting finish for your tiles. You can apply waterproofing. This should be done gradually, in order to achieve the correct consistency. I have a cellar to refurbish and are going to tank it with 2 coats of KA Tanking Slurry after the necessary prep work. KA Tanking Slurry is the complete crystalline solution to waterproofing masonry and blockwork. 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. The big issue is going to be the smoothness. Potential problems with dot dab over tanking slurry. Cement based coating for preventing water and damp penetration in walls and floors. Rising damp normally goes to around 1m so to be safe add a bit. 13 Jul 2011. Installing a damp proof membrane. In hot and dry conditions a fine mist of water should be sprayed over before the second coat is applied. If they’re mostly chipped or damaged however then you should consider removing them. When we refer to tanking walls, it's usually in reference to below ground. Make sure you use the right amount of water as mistakes can make it ineffective. Ultrascape Outdoor Slurry Primer is a polymer modified cementitious slurry primer specifically formulated to provide exceptional bond between all types of stone surfaces and 20mm Porcelain tiles. Due to this, it is very popular for things like tanking basements, garages, and. The slurry itself is 100% waterproof, so even if moisture gets through the tile grout and adhesive, it will not penetrate the surface underneath the tanking. User-friendly – requires only the addition of water on-site. 5kg (62) £50. Mix in a 4:1 ratio to ensure the correct consistency. You can use a wire brush or pressure wash for this. It is suitable for use internally or externally to waterproof areas prior to tiling. KA Tanking Slurry is supplied as a powder and when mixed with water, is applied directly to concrete, blockwork masonry or cement renders in areas where general waterproofing is required. In theory. If you have any questions or need more information contact our technical team on [email protected] or call 0117 982 3282. Move quickly, before the slurry has a chance to dry. Weather you use a backer board or not, it would still be a good idea to install a waterproofing membrane to tank the area. Xypex Concentrate is also mixed in Dry-Pac form for sealing strips at construction joints, or for the repairing of cracks, faulty. You can see everything I used below. I can't answer much of your questions, but yes you can dot and dab onto bonding plaster without SBR. Tanking Floors and Walls DIY - use our Tanking Slurry or our Waterproofing Membrane Kits - easy to install, no nasty chemicals. Once mixed, apply it to the wall in horizontal strokes, using a masonry brush. Once mixed you can empty the slurry onto the floor, starting in the corner furthest away from the door. Get Details. Depends on the substrate, usually you can contact your supplier and they will give you a spec. Instead the tanking slurry will form a waterproof barrier on the surface. I did a slab around 6years ago with no DPM underneath. 9 Jan 2014. Use an adhesive trowel and ensure that you apply equally over the area to be tiled. Plastering always comes last. As a result, you can use it in a range of jobs. Country. #4. 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. Pool paints start at about $50 per gallon for acrylics and about $100 a gallon or more for epoxy. Following this you could cover with filler, plaster, or just paint. Ideal for internal and external use as a waterproof render, it is suitable for use on walls prior to plastering and on floors prior to self-levelling. Beddings up to 6mm – 1 part cement: 2 part fine sand Beddings over 6mm – 1 part cement: 3 part fine sand Mixed to a workable consistency with BondCrete admix (BondCrete 1:water 4) in place of normal water. 5 metre porcelain slab- tiles to bed down on cement, forms a rough gritty surface on the backside of the slab. Then mix the tanking slurry powder into a bucket of water at a ratio 2. For example, you can’t directly tile over floorboards because they aren’t strong enough. Ash Building Contractors. Learn the Largest "Tile Industry" SECRET to Remodel Your Bathroom for JUST $200 bucks and 1 day's work! Tile on tile (or as I say it tile over tile) really w. Reply to John the tile. One question we hear asked regularly, is can you paint over tanking. When tanking a wall, they can be applied either internally or externally. We moved into this house in 2020 and there was paint blistering on the walls downstairs. Tanking slurry can be painted over with a water based paint, such as a standard emulsion. Is it possible to paint over tanking paint? Yes, you can. Designed to function against water penetration in various conditions, it can be used in foundation slabs, tunnels, irrigation channels, bathrooms. 29 | 1. There can be a couple of benefits to tiling over tile, including: 1. If you need waterproofing, we have the Waterproof Paint for the job. Dot and Dab all walls using moisture resistant plasterboards and finally skim all walls. Its waterproof and highly elastic coating is resistant to extreme weather conditions like frost and heat. Go. Tanking Slurry available online at Multicrete Products Ltd. For repairs of larger voids, for sections of repair up to 75mm in depth. 30812810. Option 3 – Apply a liquid DPM. 27 Oct 2016. Cut Tile: Cut the new to fit around the edges of the room, around fixtures, and other obstacles. Tanking slurry, though, does an excellent job of stopping this mould and water ingress in its tracks. Sika® Damp-proofing Slurry is a one part polymer modified cement based waterproof coating comprising of special cement based components and admixtures. Additionally remove any other items that shouldn’t be. What type of tanking do I need? There are a couple of different options when it comes to tanking a wet area. This effectively makes the concrete water tight for the lifetime of the structure. “MICRO-CONCRETE. Please note that condensation may still occur on the coatingStep 3: Apply a coat of tanking slurry. As well as being flat, level and undamaged, the existing tiles need to be clean, dry and free of dust and grime. We were all set to proceed until my handyman came down with Covid. Part of the Ultra Scape Streetscape System, which guarantees compatibility and reduces split liability. When you want to tile something, the best way to do it is to start at one end and work your way down. All substrates within a wet area should now be waterproofed before tiling, even in domestic locations. The paste is applied directly to concrete or masonry structures and penetrates a short distance. I am then considering tanking the walls with a tanking slurry, leaving to dry , priming with SBR then rendering with a sand and cement 3:1 mix with SBR 1:1 with water to waterproof the mix aswell. Some have suggested thermal plasterboard and dot and dab it. • Pre-stressed and pre-cast. Once mixed, apply it to the wall in horizontal strokes, using a masonry brush. You can apply waterproofing. Add water to the cement slowly. Retaining Walls and columns in reservoirs • Swimming Pools prior to tiling or painting • Concrete drinking water tanks • Water Treatment and sewerage plants • Foundation Slabs • Underground Cellars, basement car parks, garages, etc. 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. Location. 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. Above ground damp proofing typically only. Argyll. We can offer impartial advice on the damp proofing products available. Any damp entering the wall, penetrating or rising, will have no place to go but up - above the K11 barrier height. A gallon should yield one coat of 100 square feet. 3 X 25kg tubs of KA Tanking Slurry. Determine the position of the water table Steps 2 and 3. Apply a 2 coat tanking (waterproof) render to all walls from floor to ceiling. #1. 9. Most DIYers use the SBR mix. Following this you could cover with filler, plaster, or just paint. I have removed tiles and hacked plaster back to about 3 ft in height. The slurry is pretty dusty though. 2. Preparation is key with these coatings and the substrate must be sufficiently clean and dry. The silicone wot's gorn below the surface can darn well stay there and do its business - it's only the surface contact wot matters for adhesion. g. In hot and dry conditions a fine mist of water should be sprayed over before the second coat is applied. Tanking slurry is a type of semifluid mixture that is used as a waterproofing sealant in basement tanking. Read more. You simply adhere the stickers to your existing tile or wall and then press your tiles onto the stickers. Use on plasterboard, MDF, plywood. The technician carrying out the works will need to make sure that the tanking slurry is prepared to the correct specification to make sure that the tanking application will be a success. Make a mixture of SBR and neat cement ( no sand) in a ratio of 1:1 by volume . A masonry brush is used to apply the slurry onto the walls. Discussion in 'Builders' Talk' started by gingertimmins, Nov 3, 2018. Either cover with a cement boared like Marnix fully bedded or tank out with Arden waterproof membrane hope. That is 8m2 for. 20 Oct 2015. Gypsum plasters must not be used. 5kg of KA Tanking Slurry will provide 2 coats, each at 4m². 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. The second coat should be applied at a different angle to the original coat as soon as the first coat becomes touch dry. Ikopro Bitumen Paint - Black 5L (54) £32. 4. You can order up to 3 FREE cut samples (10cm x 10cm) at a time. 5 – 3 sq m / kg | a waterproofing coating for almost any exterior wall including masonry.