With a floor leveling compound, the smooth subsurface is easy to create. 3. For Indoor Use. 3. A self levelling compound is your answer, cost about £12-£18 pounds for 25kg bags, float over the surface using a flat trowel in an even motion much like spreading tile addy. For decades. Ultra Floor - Prime IT - Multi-Surface Primer (MSP) - 5 Litre. SR2 5mm. Applying Screed. commences. Liquid Screed. It is possible to waterproof and tile over existing tiles, provided the existing tiles are in good condition and firmly attached to the substrate. Www. The tiles will also stick to ceramic tiles if they are untextured. Resilient floorcoverings can be installed after just 4 hours and ceramic tiles in as little as 3 hours. Discussion in 'Builders' Talk' started by oogzy, Nov 3, 2005. In most cases with correct prep and the tiles being sound this isn't a problem but here's the question : Would you use the less. Floor leveling or screeding – necessary if concrete cannot be designed and. #6. A. Pour as much Easy Mix Traditional Floor Screed into your mixing bucket as you feel you can comfortably mix in one go. LATAPOXY 300 Adhesive is a chemical resistant, epoxy adhesive that will bond to most sound, clean surfaces. There are three main types of screed – bonded, unbonded and floating. For larger tiles made of either ceramic or porcelain it is important to get the most effective adhesive on the market. 1). 3m x 4. 2 / 17. Floor leveler is usually latex-based cement. Over the years, BRE has investigated numerous cases where stone or ceramic tiles have been laid onto a screed only for cracks to appear in the tiles. 3. PT Flooring Specialists. You can achieve tilling over a slate can with an experienced tiller. Use these tools to calculate the approximate amount and estimated cost of products needed to complete your project. Prime and smoothing compound then any LvT. If you use a rapid setting self leveller you should be able to tile over in a few. Chalk paint can be applied without primer to lend a shabby-chic solid color to the. Application examples:The topic ‘Asbestos floor tiles’ is closed to new replies. Installing a damp proof underlay for concrete floors. Using the notched side of the trowel, comb the mortar to produce an even surface. If there is a significant trench where the grout is – fill it and seal it. Forget the PVA. The sudden expansion or contraction results in a lack of adhesion between the tiles and the screed. Best Self-Leveling Concrete for a Concrete Floor—Quikrete High-Performance Cement FastSet Self-Leveling Floor Resurfacer for Ceramic Tiles. There are many advantages in placing vinyl flooring over existing flooring, such as added insulation, desired thickness and with the use of transition strips you can avoid any unnecessary disasters with the installation. 2. Coverage: Approx 6 m at 3 mm thickness. Ensure the floor is fully dry - the residual moisture level should be less than 0. Thicker substrates require 2 days per mm. Further information is we eventually want a hard wood or engineered wood flooring. Rapid, High Flow Self-Leveling Underlayment. over concrete before placing a ‘semi-dry’ consistency traditional mortar bed (no minimum thickness); 2). 1-2007. Wait overnight for the grout to set. Dump or scoop the mortar onto the surface. TM Tiling Singapore is the #1 Direct Tiler Contractor in the country offering reasonable pricing and quality workmanship. In this video I show how to self level a floor using s. A “floating” screed is an unbonded screed applied over a layer of thermal insulating material, such as expanded polystyrene or polyurethane panels (Fig. It varies by manufacturer but it pretty much seems to average 4. Use a paint roller and primer on your tiled floor do not add water to primer. Pumped anhydrite floor screeds are not much dearer than ready-mix sand/cement, costing around £25/m3 (laid. Wet underfloor heating installation cost. The new flooring will be loose laid cushionfloor. Glazed ceramic tiles are commonly used for floors, walls, countertops, and showers. 2. ARDEX Screeds will pass a BRE Screed test in as little as 6 hours, rather than 2 weeks with conventional screeds. Mastic is a general term for a type of glue-like adhesive. Step 4 – Remove Baseboards. Work the chisel between the tiles and the concrete, hammering them up with a 2-lb. Poor Workmanship. There are two types of screeds - Bonded and Unbonded. That will stop any raising damp to your vinyl. However, this product is not recommended as a final finish, but rather to provide an even subfloor for installation of your choice of final floor covering, whether this is tiles. ARDEX X 77 is ideal for use in swimming pools and fountains and over in-floor heating systems and is recommended for all tile sizes, including mosaics. laid for anywhere from 40-60 days after the screed is placed, dependent on screed thickness. 8 Feb 2010. Apply only a thin coat to avoid dripping. Suitable for use with underfloor heating and for encapsulating electric cable undertile heating systems. £10 - £12. The mortar has an open time (work-able time) of about 1 hour. Measure the gap between the floor and the raised end to check how far out the floor is. In addition to vinyl flooring, there are other options if you want to install the flooring directly over ceramic tile. Liquid Screed is either a cement-based compound or anhydrite (gypsum based). Perfect for using over ceramics. Where it differs from other smoothing products is that there is a latex additive. 7 kg. The purpose of a screed is to give a smooth and level floor surface on which to lay your chosen floor finish that could be vinyl, tiles, natural stone, carpet, parquet, wood and so on. Step 7 – Unroll Sheet Vinyl. “Attend to the water damage as soon as possible as water leaks will cause damp patches on the ceilings of rooms below the installation and this leads to peeling paint and costly repairs,” she says. “The majority of glazed and unglazed [ceramic] tiles have negligible moisture expansion, which does not contribute to tiling problems if tiles are correctly fixed (installed). 5/5. Screed: 20 mm over 3 m . • For use with porcelain tile and over a wide range of floor surfaces when mixed with Polymer Additive (#13956) instead of water. Mudster - Nov 3, 2005 #2. 2×4 on edge; any areas where the gap between the slab and the 2×4 is wider than 1/8 in. Hence they need to screed, because dont have ppl who put 30mm of cement before laying tiles. The tiles will also stick to ceramic tiles if they are untextured. An acrylic primer should also be applied to the surface that will ensure your tile adhesive will efficiently bond to the screed. Cement screed flooring is inexpensive. You can latex over ceramic tiles no problem as long as you use the correct primer. 4 Screed. stoneyboy. Whisk the mixture of powder and water to a lump free consistency and then apply to your surface using a steel trowel, followed by a spiked roller. SR1 3mm. Reply to londonchap81. The typical total for a classic screed is between £15 and £16 per metre squared. Nonetheless, as simple as this process might sound, there is a lot more to. Use a 3/4- or 1-in. You can test the floor dryness with a gloved. Below the tape there will be no paint, so your ceramic tiles will now have a perfect border. Uplift existing tiles and latex screed subfloor, like another fitter said use Arditex NA that way there is no need to prime subfloor first, Saving you drying time and of course money. There are four variant of TILEFIXO for different application. Estimated Cost: $75 to $100. It’s walkable in only 3 hours, receives ceramic, or stone tiles from 4 hours, and resilient floorcoverings from just 48 hours. The average dimensionof the sampleistheaverageof40 measurements. Liquid Screed. Fold the sheets up 10 cm (3. Latex levelling screed levels out uneven substrates leave a smooth surface to bond to. Step 3 – Use a priming agent. USES Davco 168 is designed for installation of dimensional stone and ceramic tiles over a wide variety of sub-strates. They are also known as thin screeds, flow screeds, liquid screeds, pumped screeds, deep bases or deep fills. a screed should be used prior to fitting any amtico or LVT (luxury vinyl tile) flooring. Advantages. Making sure the floor is level is vital when laying vinyl tiles. 3. I've just laid a latex screed over electric matt underfloor heating (about 8-10 mm). For ceramic tiles up to 30cm x 30cm or porcelain tiles up to 10cm x 10cm you’ll only need a low grip adhesive. This will ensure that the new screed is level and free of any bumps or dips caused by the tiles. Lay it over your floor and lift the low end until the bubble is central. Remove loose tiles and leave the space open for filling with the compound. USE To level uneven internal subfloors to provide a smooth surface. Screeding a floor is the simple act of applying a well blended mixture of Ordinary Portland Cement with graded agregates and water to a floor base, in order to form a sturdy sub-floor that is capable of taking on the final floor finish or act as a final wearing surface. 5:25 AM. A. 2%, and it is white asbestos which is the least dangerous type. (3/4” min. 1-2007 – Ceramic Tiles; Part 1: Guide to the Installation of Ceramic Tiles 2. The cured screed will have a layer of anhydrite screed laitance that will need to be removed after 2-6 days (dependent on brand of screed used). SR1 3mm. Flowcrete UK’s range of Isocrete Self Levelling Screeds offer numerous advantages for both new build and refurbishment projects. Use a paint roller. A slow or rapid-setting adhesive can be used to apply porcelain tiles onto your screed. Arditex NA can also be used to encapsulate under-tile heating cables/mats onto concrete/screed/tile backing boards, prior to fixing ceramic floor tiles. In most circumstances, porcelain and ceramic tiles just need regular cleaning. ARDITEX NA can be applied on all common subfloors such as concreteStep 4: Mix Mortar. High Pressure Water Cleaning - 1,000 psi (6. 7 Fixing Cracks in the Concrete Floor Before Tiling, some helpful tips. ) Apply with a clean brush, sponge or roller and then leave to dry. 1 Tiling over existing tiles. The screeds primary purpose, using one part cement to three to five parts sharp sand, is to give a smooth and level floor on which to lay your chosen floor finish. For instance, if there is a lump on the wooden floor, you can use this option. Get ideas for concr. We get loads of sub floored Ashphalted as it’s great for a Dpm and building the levels up from parquet wood being taken up. 2. must be filled. This product is also suitable for application over existing concrete and screeding, brick, stone, unglazed ceramic tiles, plastic sheet DPC, and epoxy membranes. Contents [ hide] 1 Tiling over a waterproofing membrane, some helpful tips: 2 Decoupling mat floor tiling, some helpful tips: 2. Work the chisel under the tiles, forcing them loose. Both terms are used interchangeably but floor covering refers more to loose-laid materials. Answered 15th Oct 2019 Like 0. Professionals often prefer using the 2-part compound since it provides faster results and has a shorter. See notes on the use of Nicobond DPM One Coat membrane. Submit your price for the work in a written change order and get signed and dated approval. Category: How To Guides. BUY NOW: US$33. AS 3740-2021 – Waterproofing of domestic wet areas 3. Available styles include: All these products are water-resistant and help to seal the surface against moisture. ” Note: New Tile Installed Over Existing Tile - When new tile is needed in existing pools, new tile can be installed over existing tile using 254 Platinum or 254 Platinum Plus provided that the pool is in good condition and existing tile is well bonded. Vinyl planks represent perhaps the best option for installation over ceramic tile. With the existing tiles removed you're removing the risk of the screed failing. The short answer is yes, self-levelling compound can be used over ceramic tiles, but there are a few important things to consider before starting your project. With a floor leveling compound, the smooth subsurface is easy to create. Maximum tile size 300 x 300 mm. [According to the Tile Council of North America's Handbook for Ceramic, Glass, and Stone Tile Installation, this drying period can fluctuate from 14 days to over 60 days, depending on the geographic location, the climatic conditions,. Concrete has a much coarser mixture than screed, consisting of larger, hard-core aggregates, which are the key element that gives it its durability and makes it strong and long lasting. screed. It shall consist of 1 part of cement to 4 parts of sand by volume to form the sand cement mortar, mixed semi-dry in a mechanical mixer with only sufficient water added to give a crumbly consistency that retains its shape when squeezed in the hand. footprints and trowel marks. Northampton •. Labour costs. N. 5:25 AM. almightymat. The tiles have been removed in some rooms, leaving the bitumen, probably <1mm thick, and not sticky. a suitable primer (depending on sub floor) should also be used. Ultraplan Renovation Screed 3240 is suitable where good resistance to loads is required, also for castor wheel traffic and underfloor and undertile heating systems. Coverages provided are for estimating purposes only. 11. For more than 5mm it should be left for 48 hours Setcrete Latex is suitable to use over a wide range of absorbent sub floors which should first be coated with Setcrete Acrylic Primer diluted in a ratio of 1-part primer to 4. I would recommend F-Balls products. What type of thin-set mortar should I use when installing ceramic and stone tile over Schluter™-KERDI? Schluter-Systems requires the use of Schluter SET™, ALL-SET™, FAST-SET™, or an unmodified thin-set mortar meeting the requirements of ANSI A118. Applying the primer: To apply the primer, use can either use a paint brush or a paint sprayer. Apply evenly one coat of primer (for mix ratio see step 2. The best solution is to uplift the tiles and dispose of accordingly, then use a specialist screed such as F-Ball Stopgap 1200 straight over the bitumen. Applying a semi-dry cementitious type of screed. I’m here to talk about latex floor screed. If the ceramics are bonded firmly to the floor you could apply primer (P131) and latex over the top. They come in thicknesses ranging from 2 millimeters (about 1/16 inch) to 8. Such products may still require 12-24 hours to dry our completely (depending on thickness). DIYDave. You need to adurapid crack, then primer and latex then. More Information. I'm wondering if anyone can help me please? I've just bought a 70's house which has thermoplastic (Marley) tiles laid to the kitchen and utility. 8. Concrete has a much coarser mixture than screed, consisting of larger, hard-core aggregates, which are the key element that gives it its durability and makes it strong and long lasting. When applied over well-prepared ceramic tiles, it ensures a tenacious grip, minimizing potential issues related to delamination or detachment. Measure each side of the tile under test at positions 5 mmfromthe comers. Both times was because they didn't want to remove asbestos tiles. 06% (0. can i latex screed over. Suitable for fixing porcelain tiles and natural stone in interior locations to solid stable substrates such as concrete or sand: cement screed in small to medium sized installations. Related Documents: LATICRETE Drawing ES-W244(E), ES-W244(I) LATICRETE Drawing ES-F144 Ceramic Tile and Stone Over Cementitious Backer Units TDS126 Cement Backer Units Over Lightweight Steel. Flooring is the general term for a permanent covering of a floor, or for the work of installing such a floor covering. Mix 1 part water to 1 part Prime & Bind. This will provide a dense surface to tile onto and will aid drying. Primers. A proper floor fitting will screed over tiles and lay karndean but I have no idea whether it would render underfloor heating useless. Bonded. However, a few superficial cracks developed across the screed surface. Textiles can be found in fuse boxes behind the actual fuse. Take up old vinyl tile and latex screed over black bitchem . By contrast, asphaltic cutback adhesive is an older type of mastic made with asphalt-based cement. Unit Size Available: 20kg. Latex screed over the top of the tiles using a latex levelling screed that is suitable for tiles that will stick to the tiles and not crack and lift. There is no additional water, just pour the. Only if you dont like HDB tiles and want to use your own tiles then no need for screeding. AS 3958. Designed for use with various latex admixtures to produce a high strength smoothing compound or adhesive for ceramic tile and stone that meets and exceeds the requirements international standards. If using porcelain tiles, ensure adhesive choice is suitable for. 966 289 0. 4 Step 4: Thin Layer of Thin-Set: 6. Floor levelling compound is also known as self-levelling compound. Yes you can latex over ceramic tiles as long as the tiles have been installed to a good standard and you have no damp plus you have to use floor primer. If the plyboard has been pulled down in some area because of the screws when securing it a levelling compound might. Green Screed. Mix a small batch of thick screed and in-fill where the tiles are missing. As long as the old floor is in good condition and can allow the new mortar to stick properly, it should not be a problem. After measuring the surface area for the backsplash, wall, or floor, planning out the exact layout of the tiles, and cutting them. Wickes sell 'Setcrete Floor Leveling Primer' , which seal porous, dusty surfaces prior to pouring the levelling compound. If you just want a no-nonsense mountain bike at an attractive price point, the Canyon Neuron AL 6 is a very good answer. maul. 0222 / mm thick: 6 mm thick glazed tile + adhesive: 0. 3. Floating engineered wood is ok. However, I contacted a specialist anyway, and we are looking at £400 + VAT to remove the tiles. Where a 12×12 (30cm x 30cm) used to be big now it’s quite common to deal with wood-look tile that is 48 inches long (120cm) and installed in a random offset pattern. Be careful of latex compounds that say they can go over ceramics with no primer. Lay it over your floor and lift the low end until the bubble is central. Commissioning the underfloor heating before tiling commenced. 2-m straightedge laid in contact with the screed. Make sure you leave the screed to go off properly before laying the new vinyl tiles, Each screed has its own reccomendations so read the pack and follow the instructions. I'm looking to lay Karndean tiles on top of these tiles (not going to take them up or deal with the bitumen) and would like some advice on how to prep the old tiles. Or 1/16 th of an inch in any 24-inch substrate. 2. Floating engineered wood is ok. ARDITEX NA can be used with confidence over almost all subfloors without priming including ceramic tiles, bitumen and flooring grade plywood. I wouldnt lay them direct over the tiles but if they are sound and firm you could use a latex screed such as na to prep over the tiles and lay the alto on top of that. The dimension between the floor and threshold of the door is circa 20mm, so cant lay a very thick level of screed either, taking into account the eventual permanent flooring that will go on top. All that’s required is spreading the compound over the prepared tiles. Non-structural floor screeds shall be adequate for the location and intended use, and provide a suitable background for floor finishes. Andy O'Hara. My kitchen floor is part bare concrete and part quarry tile with cork tiles stuck on top. #1 hi all. For bathroom wall tiles, it is important to take note of the material they are made from. Not actually used it myself (yet) but looking to level my garage floor so done a little research. 24 Oct 2014. For a full flooring renovation, hacking is required to remove the existing tiles. bournemouth Super Moderator. When ARDEX Americas started back in 1978, we began a tradition of innovation and excellence as we introduced the first self-leveling cement product available in the market. I would lay a latex screed over the lounge and hallway after replacing or filling (with sand/cement) any loose tiles. Ardex Arditex NA is a smoothing compound and is one of the sub-floor preparation products. latex floor screed is a cement-based smoothing compound. 1. 4 hours and ceramic tiles after 3 hours ¥ Suitable for use over old adhesive residues including bitumen ¥ Moisture tolerant - can be used below. Installation of Ceramic Tile . Most of us who do lvts have been asked to lay over ceramic floor tiles. Why Choose Latex Screed for Overlaying on Ceramic Tiles: Exceptional Adhesion: Latex screed is known for its excellent bonding capabilities. Ive also had 70 m2 latex crack over vinyl tiles. On ceramics I would go ardex na balls 1200 or a flexy screed 95 % of the time I go with a good coat of level flex ( balls 700 say you cant use on ceramics ) then a nice buff off and then a coat of balls 500 micro then lvt stuck in f46 ps. 4-6mm would be fine. A self-leveling compound can be used over vinyl tile. Screeding over ceramic tiles. 37 mm thick screeding: 0. They also flog a ply-backed insulation board but don't divulge how they glue it on!The Bottom Line. Vinyl planks represent perhaps the best option for installation over ceramic tile. Apply a screed on the concrete. Most projects will have one of three different types of substrate as follows: Construction TypesPalace Trade-Flex, Multi-Flex or Easi-Flex adhesives are all recommended for fixing over a prepared anhydrite screed and the use of a pourable thick bed adhesive with built-in polymer such as Palace Flexi-Set Thick Bed will be advantageous when fixing large format (600mm x 600mm) floor tiles. Floor Tile Gray Thinset Tile Mortar (50-lb) Model # 1011236. application of a screed on a floor background. 5m and need to be about 65mm thick. 1 mm. Screed, float and level from 1/4" to 3" (6 mm to 7. Your best option now is to take up the ceramic tiles, adhesives and grout then fasten down the 6mm plywood mentioned above. Do not remove the tiles if u dont no what u doing. Installation of Heated Screeds and Substrates for. • When mixed with water, suitable for ceramic tile, quarry, pavers and saltillo tile over cementitious surfaces. Country. Discuss Advice for self-levelling over old tile adhesive, using Wickes latex? in the Tile Adhesive area at TilersForums. Instead of mixing the compound with water, the water is replaced with bottle of latex, which is then added to the mix. Latex / screed info please. Discard any material that has exceeded the pot life or working time of the product. Tiles with ribbed or keyed back profiles should also be back-buttered to ensure complete coverage. Self-Levelling Floor Screeds Compound. Please help !!! I've had a 4mm-5mm latex screed laid using mapei renovation screed as I was advised this was the best option for a final floor finish as I was only left with about 7-8mm to work with as a microcement floor I had laid had gone wrong. Note: If you do stick a cork tile in the wrong spot, use a firm-blade, 3-in. a suitable primer (depending on sub floor) should also be used. There is no additional water, just pour the. CAC FLOORING. then use, f. Over the years one side has very slightly moved out of sync with the other and using a thicker bed would have lost any irregularities in the surface. s1oww said: The area i need to cover over the tiles is 6m x 2. 1-2007 (Ceramic Tiles-Part 1: Guide to the installation of ceramic tiles) gives guidance on the types of concrete surface finish applicable to various tile fixing methods. Self-adhesive vinyl tiles can be laid perfectly on the screed and liquid screed. 4 Use a screed to level the floor; a screed is usually a long and very straight board or level that will move the excess floor leveler to lower levels and will help you level the floor. The mortar has an open time (work-able time) of about 1 hour. Remove the painter’s tape to reveal a straight even edge. SR3 10mm. If you have the height you could tile over the top - its not ideal. If you're laying Karndean over existing flooring, be sure it is properly prepared. Screeds are typically bonded onto most concrete. Over ceramic tile:It’s recommended to use a primer when tiling on a wooden floor, to ensure the best possible surface for the adhesive to bond with. The short answer is yes, you can screed over ceramic tiles. 2-2012 – Waterproofing membranes for external above-ground use – Part 2: Design and installation B. If you are installing where existing floors have been removed, check that there are no traces of previous adhesive residue. Screeds to adhesive fixed rigid tile applied floorings: BS5385 Part3. Self-adhesive vinyl tiles can be laid perfectly on the screed and liquid screed. e. 4. I gather you are planning on putting down a floating wood floor i. 2-m straightedge laid in contact with the screed. Latex Floor Screed Thickness. insulation board) Bitumen residue* * Best practice is to remove all bitumen. 5%. Where the old screed has been removed by the outside back door, it has uncovered a low inner brick course running parallel to the door in line with the inner wall with a gulley either side, similar in dimensions to the one described above. thank you very much for the clarification. To flash the floor, the guys are using Kerabond mortar with Keralastic latex additive because it bonds so well. AS 3740-2010 3. Once broken up into sections you can more easily ensure your floor will be evenly screeded. BS EN 12004 C2F Adhesive. Start at a broken tile or between tiles where the grout has loosened. The subsequent application of the tile adhesive is made easier and more cost effective by removing the need to pack out dips and uneven areas with excess product. T & G Floorboards. Instead of mixing the compound with water, the water is replaced with bottle of latex, which is then added to the mix. Unconvinced that repairs were necessary, the tiler installed large format tiles over the cracked screed directly. However 13 IS a Prime Number as it can only be. SR2 5mmMAPEI. FREE next day delivery available, free collection in. The thinset that was applied to glue down the tiles, has been applied over a dirty surface and instead of adhering to the substrate, it adhered to the dust and oils sitting on top of it. Latex screed. #2. After the surface has been sanded, any dust must be removed using a vacuum cleaner. #2. When painting a tile floor, the following three types of paint work best:. used with confidence over almost all subfloors without priming, including ceramic tiles, bitumen and flooring grade plywood. Once traffic starts walking over it, those stresses start moving the tiles and eventually they pop off the floor and get. nThis floor screed is a versatile smoothing compound for levelling uneven floors before laying decorative floor coverings. Can be pumped for fast application. - Assuming the screed has completely gone off (say 2 to 3 weeks) and I lay the compound, how long after this can I tile. Reply to Kitchen Floor tiling on Latex Self Levelling Compound in the Floor Tiles area at TilersForums. Without seeing the rh% of moisture in the sub-floor it's impossible to give 100% correct information, but as long as the rh% is under 97% you could prime the floor, use a latex based screed to give a smooth surface, use a surface DPM (as far as i'm aware only Ardex DPM 1 C is guaranteed over a sub-floor without a working mechanical dpm) then finally. Remove and Smooth. Remember these tips prior to starting work. Color: Gray. • When mixed with water, suitable for ceramic tile, quarry, pavers and saltillo tile over cementitious surfaces. SR1 3mm. Our wide experience and the quality of our products means we will always be a trusted partner that can meet all the requirements of a constantly. 16 Aug 2013. any good floor layer will be able to screed out a 5mm dip in your. Self-leveling Properties: Ceramic tiles may have minor level. Hiya I have a small bathroom which I tiled with "bargain" tiles from B&Q. Country. we don't need a specialist. All that’s required is spreading the compound over the prepared tiles. they will 99% of. However, if the tiles are damaged, it’s best to remove them before screeding. The second batch was slightly more watery but it has solved the problem of the dip. after removing existing tiles or where bricks/blocks are uneven. Its on your back if you risk 30 quid of screed over a few hundred of tiles!Firstly, paint the quarry tiles with a liquid damp proof course, let it dry. Before tilling, ensure that. 5 millimeters (about 3/8 inch) and typically float over the subfloor. A common practice among Singaporean homeowners, overlaying tiles is the process of laying new tiles on top of existing tiles or vinyl flooring. I have an early 1970s bungalow with concrete floor. 2. Self levelling compound sold in 20kgs bags can be used to raise up to 50mm. 1. I would also recommend you go for Latex self levelling screed over water based ones. Under ‘wet’ consistency toppings/overlays; 4. Ceramic, porcelain or stone tiles can be installed over the top of the installed membrane using a suitable Mapei tile adhesive. Asbestos floor tiles were once a popular choice for flooring, and you will often find old asbestos floor tiles hidden under carpets. Many modern mastics are latex, or water-based, and can be softened with water.