2 Using a backer board or new drywall for uneven walls: 6 Pros and Cons of Tiling Over Existing Tile. As long as your floor is level (as in 'water level' as opposed to 'flat/smooth) then any minor bumps or pockets are trivial, and will be taken up by the level of adhesive. None of those apply to wall tiles, and the reduced weight of a thinner tile makes for easier installation. If you are applying paint in a high-traffic area or an area with a lot of moisture, a protective coating is also recommended. It is foot trafficable within three hours, and can be tiled after approximately four hours. Those based in rural areas may pay more for floor screening costs due to the labour travel costs. Measurements shall be made to thenearest0. over almost all subfloors without priming, including ceramic tiles, bitumen and flooring grade plywood. if its in screed then you'll be fine and won't damage it, if its over the screed wire or mat then you'd be lucky to be able to get it up without damaging it. you will need to mix x1 bag of powder & x1 bottle of liquid per 5 mtr sq. My kitchen floor is part bare concrete and part quarry tile with cork tiles stuck on top. I would assume that. If the tiles are in good condition, with no cracks or chips, then screeding over them should be possible. ” 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. 3. Resilient floorcoverings can be installed after just 4 hours and ceramic tiles in as little as 3 hours. Apply the Bonding Primer. Too much extra will probably make it useless. Installation of Heated Screeds and Substrates for. b. Drying times vary according to the brand of. If u dont use the right primer the floor screed will blow under nieth eney flooring. 5:25 AM. pnfl. USE To level uneven internal subfloors to provide a smooth surface. When laying vinyl, ceramic tiles, carpet and other floor coverings. New Vinyl Plank Flooring (Over Tile!) Now that I FINALLY have some decent current pics of the house since we moved in, I can share all about the luxury vinyl plank flooring we had put in right after we. Coverages provided are for estimating purposes only. Installation of Ceramic Tile in Swimming Pools,. Screwfix Select. 5). ”Information Paper from IHS BRE Press provides practical guidance for architects and specifiers. Floor Tile Gray Thinset Tile Mortar (50-lb) Model # 1011236. Maximum depths are around 10-15mm, however with the addition of bulking aggregates. Maximum tile size 300 x 300 mm. Last edited: Sep 2, 2010. If you are installing where existing floors have been removed, check that there are no traces of previous adhesive residue. Pour a small amount of bonding primer into a lined paint tray. A. Fast Setting Screeds Allow a faster setting time to achieve foot traffic within a shorter period. 06% (0. #2. Mix detergent with warm water. Shovel up a full load of mix and dump it on top of the mixture. Liquid Screed. Apply new adhesive to the spot, let it dry and try it again. Table 4. I asked a contractor who happened to be in my company and he say the same thing too. Step 5 – Measure & Draw a Diagram. Or 1/16 th of an inch in any 24-inch substrate. Whilst it is still poured at a shallower depth than traditional sand and cement screed, the minimum 35mm pour is. The increased use of other dense layers over the screed, such as uncoupling, or crack-isolation membranes made of bitumen or plastics such as. Step 7 – Unroll Sheet Vinyl. A range of smoothing concrete for a smooth, permanent finish to a variety of internal substrates prior to the installation of floorcoverings, choose ARDEX. Adding a little extra water to a thick mix can make it spread easier, might increase drying time slightly. #1 Hi All, I have a job to do for a contractor and they have told me to self level over the top of existing floor tiles and then lay the new ceramics. 3. After the surface has been sanded, any dust must be removed using a vacuum cleaner. Ceramic, porcelain or stone tiles can be installed over the top of the installed membrane using a suitable Mapei tile adhesive. Because concrete has the potential to hit very high strengths, it is used across the construction industry for. Continue until the entire floor is covered, smoothed, and rollered. JC Flooring Professional Carpet Fitting Service. There are four variant of TILEFIXO for different application. So it is best not to use self-leveling concrete or compound over existing vinyl tile. “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. Wet underfloor heating installation cost. In that case, first of all, you need to take out the old vinyl tile and then apply self-leveling concrete. 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. Make sure each area is a manageable size to avoid any issues. Color: Gray. Economical: Suitable for tiling on fresh screed. Spread adhesive onto the wall quadrant using the flat side of the trowel, covering only as much of the wall as you can comfortably work in 20 to 30 minutes. Use latex screed. ceramics I don’t know. Mudster - Nov 3, 2005 #2. Prime with two coats, allowing the first one to dry fully before adding the second. Mapei prim grip is the grey primer. However, there are a few factors to consider before embarking on this type of project. Laitance must be removed by sanding using a rotary floor sanding machine and this should be carried out between 7 and 10 days after the screed has been poured. Screed is commonly set underneath timber, carpet, resin coating, natural stone, tile and vinyl flooring. . Use long strokes and hold the trowel at a consistent angle. After measuring the surface area for the backsplash, wall, or floor, planning out the exact layout of the tiles, and cutting them. 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. For ceramic tiles up to 30cm x 30cm or porcelain tiles up to 10cm x 10cm you’ll only need a low grip adhesive. must be filled. maul. 9 How to Screed a. Ceramic, Terrazzo and Quarry Tiles. . The tiles will have to be screeded over before the LVT can be laid. Both are correct, and have their various uses. A) ARDITEX NA ® can be used with confidence over almost all subfloors without priming including ceramic tiles, bitumen and flooring grade plywood. Cement screed flooring is inexpensive. the bottom line is no,the ceramics will show through in a few days this will result in short life expectency of the flooring,a suitable latex screed is needed to level out the ceramics then you can achieve a flat surface to recieve the floorcovering. Sanding is a technique where you primarily use sandpaper to grind down a wooden floor. . Line walls and pillars with compressible material. I've gone over vinyl tiles with green bag and 300 and got away with it. Country. 1. The common types of flooring laid over levelling screeds. quarry, ceramic and most natural stone tiles* over interior or exterior concrete and masonry floor and wall surfaces. 1 Add a decoupling mat to the substrate. 16 Aug 2013. This prolonged drying also means that the job can be delayed for significantStep 1: Divide the floor into sections. The example of bumps (OP's problem) of one quarter inch maximum, should prove no problem needing levelling (for flat/smooth). With more than 10 years of experience in the tiling industry, their trusted and dedicated tilers are experts in completing tiling works for homogeneous tiles, ceramic tiles, porcelain tiles, marble tiles, and all sorts of floor. of the adhesive, screed and waterproofing compounds onto the surface. Before tilling, ensure that. it is not recommended that you but self-leveling screeds over vinyl tiles, can cause yourself a bigger head-ace in the long run, and i know it can be a night-mare of a job but always better to take tiles up and start from scratch. commences. Discussion in 'Builders' Talk' started by oogzy, Nov 3, 2005. Like 4. A selection of acrylic, synthetic resin and SBR primers. Ordering and Purchasing. 4 hours and ceramic tiles after 3 hours ¥ Suitable for use over old adhesive residues including bitumen ¥ Moisture tolerant - can be used below. There are a few latex based screeds which claim to be suitable, FBall 1200 and Ardex NA are 2 such but it isn't the screed that is the major problem, if the adhesive fails on the Marley tile then the screed fails so it is always good practice to have them removed, the sub-floor rh% tested then be able to advise on prep work. It can be difficult to determine how much flooring you will need, but at Tile Wizards, we have a method that never fails. Rich mixed up a 5 gallon bucket according to the directions and let it slake for 5 minutes before mixing it again. tanking. Removal of the tiles is non-licensed work, ie. Once traffic starts walking over it, those stresses start moving the tiles and eventually they pop off the floor and get. 1 Using a Tile Leveling System for uneven walls: 5. Screed: A layer of well compacted material, commonly a mixture of cement and fine aggregate, that is applied to a base at theIt is possible to tile directly onto tongue and groove wooden floors, but the high amounts of deflection/movement will mean that an ultra-flexible (S2) tile adhesive is required. 1. Take up old vinyl tile and latex screed over black bitchem . Renovation property: £135 to £185 per square metre. Before applying a floor covering, Setcrete Latex should be left uncovered for 24 hours when applied at 2-5mm thickness. screeds to dry out to some extent prior to installation of ceramic tile finish 1. Electric underfloor heating is compatible with a surprising number of floor coverings from carpet and wood to polished concrete. Then mix a lighter, creamy batch and wash over. However, I have a number of questions. com. 4. Latermix Cem Classic and Maxi are no fine screeds based on expanded clay LWA and are quick drying even in high depth. You can then lay your new floor on top. As a rough guide, laying a conventional sand/cement screed costs around £15/m2, increasing by around £5/m2 when delivered ready-mixed. 214: 10 mm thick glazed tile + adhesive: 0. 8 to 5. It varies by manufacturer but it pretty much seems to average 4. However 13 IS a Prime Number as it can only be. 2. PRIMINGDescription. Making sure the floor is level is vital when laying vinyl tiles. To properly install a new tile surface, you should remove the existing vinyl tile, grind down as much of the old tile adhesive as possible, and then apply the leveling compound to smooth out the surface for the new tile. if floor is a concrete floor, then a latex mix would be safer due to the fact if there ever was a moisture issue then a latex mix would fair better than a water mix every. Applying a semi-dry cementitious type of screed. Can be used with underfloor heating systems. Before laying self levelling screed, its suitability needs to be determined. The reason that the additive is. 1. On absorbent surfaces, such as cement and sand screeds, it may be necessary to damp down the surface with water before applying ARDITEX NA ® , to help reduce suction and pinholes. Because concrete has the potential to hit very high strengths, it is used across the construction industry for. our kitchen floor is ceramic tiles which are pretty old now and have lots of chips in them, making it look horrible and dirty all the time. MAPEI Technical Notebook(s): 1. Mixing and application of Nitotile GP shall be as follows; 20kg of Nitotile GP shall be mixed with 4. However, unevenness over 0. My kitchen floor is part bare concrete and part quarry tile with cork tiles stuck on top. • When mixed with water, suitable for ceramic tile, quarry, pavers and saltillo tile over cementitious surfaces. masonry chisel and a 2-lb. Remove and Smooth. We have been advised to sort the floor out and latex screed was mentioned. Measure the gap between the floor and the raised end to check how far out the floor is. £10 - £12. Actual jobsite coverage may vary according to such factors as job conditions and application methods. - Assuming the screed has completely gone off (say 2 to 3 weeks) and I lay the compound, how long after this can I tile. :thumbsup. over almost all subfloors without priming, including ceramic tiles, bitumen and flooring grade plywood. I am hoping to cover it all with a vinyl sheet. III. Finally, allow the floor to dry naturally to avoid cracking. 6N / mm2ARDITEX NA provides excellent adhesion to almost all substrates without the need to prime, including flooring-grade plywood, ceramic tiles, steel, and even over old bitumen adhesive residue. An acrylic primer should also be applied to the surface that will ensure your tile adhesive will efficiently bond to the screed. Country Availability. They only recommend pouring concrete over existing tiles if they are in sound condition and firmly affixed. 1). Latex levelling screed levels out uneven substrates leave a smooth surface to bond to. then a liquid membrane goes over this called ardex dpm 1c. Step 3 – Use a priming agent. SikaCeram® StarGrout Epoxy based grout for joints from 1 to 15 mm width. 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. Over plastic, semi-dry consistency traditional mortar beds (min 20mm thick) before beating in pavers and ceramic or stone tile in cold climate conditions. 8 Feb 2010. There are two types of screeds - Bonded and Unbonded. hand maul. Step 4. 1. A primer is a liquid product, which can be either latex, epoxy or polyurethane based, and is used to create better adhesion onto the substrate before tiling or screeding. Primers. 4237 RAPID Latex Additive is a specially designed latex additive for use with 211 to make high strength latex thin bed and medium bed adhesive up to 15 mm. Prepping the Substrate for Tile Recap. Leak detection - The use of fugitive dyes such as food coloring or proprietary leak detection products in conjunction with scuba diving equipment are an effective method to trace any leakage detected during flood testing. Go to product. Work the chisel between the tiles and the concrete, hammering them up with a 2-lb. Underneath the floor tiles was this black substance which I have since found out to. They made it an entirely new house! As is super common here in south Texas, the house had large ceramic tile flooring installed throughout. PT Flooring Specialists. A proper floor fitting will screed over tiles and lay karndean but I have no idea whether it would render underfloor heating useless. Improves water resistance. 1. Arditex NA is a premium latex screed. Alternatively, another option is to strengthen the substrate with either a layer of floor screed or by overboarding with plywood/tile backer board, and then using an. However, I contacted a specialist anyway, and we are looking at £400 + VAT to remove the tiles. Dip the paint roller into the primer, then roll out the excess on the tray until the roller is nearly dry. AS 3958. It pours wet and then dries to create a solid flat surface that is highly durable. Screeding over ceramic tiles. used with confidence over almost all subfloors without priming, including ceramic tiles, bitumen and flooring grade plywood. Answered 14th Jan 2022 Like 0. AS 4654. #6. 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. For wet areas such as. 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. #1. According to British Standards, any deviations should not exceed 3mm when measured under a 2m straight edge. 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. Total Time: 2 wks, 1 day - 2 wks, 2 days. Asbestos was added to the mastic for its. installed after 4 hours and ceramic tiles can be applied after 3 hours. Mixing and application of Nitotile GP shall be as follows; 20kg of Nitotile GP shall be mixed with 4. 4 Expression ofResults The averagedimensionofsquare tiles is the average of four measurements. Installing a damp proof underlay for concrete floors. 0mm Protein (casein) free Mapei MAPEGUARD UM 35 can be installed over the top of a screed using a suitable Mapei adhesive such as KERAQUICK S1Mapei or Mapei ULTRALITE RAPID FLEX S1, for waterproofing and antifracture properties. Moisture testing to confirm the dryness of the screed before tiling commenced. Arditex NA 25Kg Subfloor Two Part Self Levelling Compound is a self-smoothing, protein free, latex levelling compound with improved flow and excellent adhesion, flexibility and moisture resistance. 2. Vinyl planks represent perhaps the best option for installation over ceramic tile. Ardex Arditex NA is a smoothing compound and is one of the sub-floor preparation products. Wickes sell 'Setcrete Floor Leveling Primer' , which seal porous, dusty surfaces prior to pouring the levelling compound. Image caption- S 15 C polymer adhesive used for slurry consistency. 2. Only really suitable for. However, with unsatisfactory fixing practices or in certain climatic conditions, moisture expansion in excess of 0. Ceramic, porcelain or stone tiles can be installed over the top of the installed membrane using a suitable Mapei tile adhesive. Needs mixing with a. Bonding Agent for Use with Sand/Cement Screeds and Renders. they will 99% of the time be a very poor strength compound. If you use a paint sprayer, it is recommended to use a. All that’s required is spreading the compound over the prepared tiles. Hence they need to screed, because dont have ppl who put 30mm of cement before laying tiles. 0. Rapid dry technology – Install most flooring in as little as 2 hours*. Step 2 – Sand Dried Mortar. SR2 5mmMAPEI. . Nonetheless, as simple as this process might sound, there is a lot more to. laid for anywhere from 40-60 days after the screed is placed, dependent on screed thickness. Heating mats, loose. They are also known as thin screeds, flow screeds, liquid screeds, pumped screeds, deep bases or deep fills. whats the Best latex for screeding over ceramic tiles? ardex na have also used green bag and mapei latex plan make sure you prime first dazza, Jan 24, 2013 #2 dazlight Super Moderator Or use a stronger primed like mapei Eco prim grip or Ardex p4 then you use a water mix. after removing existing tiles or where bricks/blocks are uneven. 5 millimeters (about 3/8 inch) and typically float over the subfloor. Ultra Floor - Prime IT - Multi-Surface Primer (MSP) - 5 Litre. 246: 10 mm thick porcelain floor tiles + adhesive: 0. uk. Answered 17th Jan 2012. Flooring. Only if you dont like HDB tiles and want to use your own tiles then no need for screeding. 5 mm must be completely compensated. Apply as a bonded, unbonded or floating screed. I am hoping to cover it all with a vinyl sheet. However, if the tiles are damaged, it’s best to remove them before screeding. Priming becomes even more of a necessity once you consider the amount of dirt, plaster, adhesive, and various. Total Product Weight. There are vinyls which let your floor breathe like Altro expresslay but as you have already got your vinyl then one way of doing it to be safe from raising moisture is -. Wait overnight for the grout to set. MoreEasy and affordable, the three-step paint process goes right over laminate, cultured marble or ceramic tile, resulting in automotive-grade durability from safe, water-based materials. Apply a screed on the concrete. they will 99% of. As a result, it is not advisable to screed over asbestos floor tiles. With the application of DITRA matting, tile coverings. There are vinyls which let your floor breathe like Altro expresslay but as you have already got your vinyl then one way of doing it to be safe from raising moisture is -. I'm not sure how deep it needs to be yet as i need to speak to building regs. the concrete or sand/cement screed should. Wait a few minutes. Decoupling mats are also obligatory when laying tiles on an existing wooden floor. Use painter’s tape in combination with a drop cloth or plastic sheeting to protect nearby surfaces from errant paint. 3. Total Time: 2 wks, 1 day - 2 wks, 2 days. They come in thicknesses ranging from 2 millimeters (about 1/16 inch) to 8. a screed should be used prior to fitting any amtico or LVT (luxury vinyl tile) flooring. A common practice among Singaporean homeowners, overlaying tiles is the process of laying new tiles on top of existing tiles or vinyl flooring. Hi I am about to remove the ceramic floor tiles in my kitchen and replace with either 4mm. ceramics I don’t know. Self-adhesive vinyl tiles can be laid perfectly on the screed and liquid screed. 2 - 12mm Application. Below the tape there will be no paint, so your ceramic tiles will now have a perfect border. latex floor screed is a cement-based smoothing compound. Step 6. application of a screed on a floor background. ball & young stopgap 128 latex liquid, mixed with f. I would recommend F-Balls products. Ideal for fast-track tiling, ARDEX AM 100 is ready to receive tiles after just 2 hours, regardless of thickness. e ( DPM, insulation, flooring). Hope this helps, Chris M-W. If flooring is applied directly over the ‘young screed’ there is a risk of development of moisture related de-bonding of the adhesive and blisters in the vinyl or coating. Pouring self leveling concrete over linoleum tile with a DIY concrete dispenser made from a trashcan. Needs mixing with a paddle. 4 - Ceramic tile detached from a crumbly screed. Discard any material that has exceeded the pot life or working time of the product. U then primer the floor ready for latexing. 5 litres per 20kg bag of screed. 9. • For use with porcelain tile and over a wide range of floor surfaces when mixed with Polymer Additive (#13956) instead of water. There are two types of screeds - Bonded and Unbonded. 5Ltr at Screwfix. Apply evenly one coat of primer (for mix ratio see step 2. any good floor layer will be able to screed out a 5mm dip in your. Vinyl Flooring Options. How to Install Sheet Vinyl Flooring Over Tile. I’m here to talk about latex floor screed. 2-2012 – Waterproofing membranes for external above-ground use – Part 2: Design and installation B. There is no additional water, just pour the. Arditex NA can be laid from a feather edge up to at least 12mm in a single application or up to 30mm incorporating Ardex Coarse Aggregate. Speed Screed. 8 Step 8: Grouting: 6. With the hole closed up, you can start “folding” the mix. For decades. 2-m straightedge laid in contact with the screed. Yes prime the latex then fix tiles using a flexible cement based adhesive . As the title says, looking for a good primer and screed to go over quite shiny ceramic tiles. Apply the desired surface finish using a wooden or polyurethane float. Tile keeps getting bigger and bigger. oogzy Member. Reaction score. Tile adhesive is a specialized material designed for bonding tiles to surfaces. SandyFloor Well-Known Member. Can anyone advise on best course of action?. ARDEX FEATHER FINISH is ideal for patching and smoothing minor surface damage to levelling and smoothing compounds i. It varies by manufacturer but it pretty much seems to average 4. To be confident you’re starting with a flat, smooth surface, you should render the walls and screed the base. 2,011 764 113. Remove any broken. As a result, bigger tiles require flatter floors. 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. 1. For a full flooring renovation, hacking is required to remove the existing tiles. 2. Foroblong tiles, each similar. 1. • When mixed with water, suitable for ceramic tile, quarry, pavers and saltillo tile over cementitious surfaces. Search the floor for any loose or damaged tiles. These unique properties ensure that Arditex NA can be used with confidence over almost all sub-floors and without priming, including ceramic tiles. Once the tiles are rumoved there will still be bitumen on the sub floor. Peter Newman Flooring. ARDITEX NA can be applied on all Screeds & Mortars for tiling works. Latex floor screed thickness varies from product to product, however as a general guideline please find the depths below: Minimum depths are usually 2-3mm, however there are some products that can go down to “featheredge”. Use a paint roller. Glazed ceramic tiles are commonly used for floors, walls, countertops, and showers. screed over insulation. 6. BS EN 12004 C2F Adhesive. If you have the height you could tile over the top - its not ideal. 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. Photo credit: Weber. 37 mm thick screeding: 0. Step 4. Floor covering is a term to generically describe any finish material applied over a floor structure to provide a walking surface. I want to install LVTs over. Get ideas for concr. Applying the primer: To apply the primer, use can either use a paint brush or a paint sprayer. Mr. screed. Lay it at an angle of about 45 degrees and force it down using a sledgehammer or mallet to raise the tile edge and break the bond from the floor. I was charged £2,600 and although I knew this was expensive I put. ball & young stopgap green bag self leveling compound powder. Roll the primer onto the tile, being careful not to press too hard on the roller. ) Apply with a clean brush, sponge or roller and then leave to dry. 2. Mapei prim grip is the grey primer. Rich mixed up a 5 gallon bucket according to the directions and let it slake for 5 minutes before mixing it again. Easy to use by mixing with water according to the manufacturer's instructions to get. Installing cement board won’t work, and if you choose to lay down a mortar bed it takes longer, it’s harder to achieve an even surface, and the screeding process can damage the heating. Remove the painter’s tape to reveal a straight even edge. My kitchen floor is part bare concrete and part quarry tile with cork tiles stuck on top. Ceramic tile is a building material made from clay that has been molded into tiles and fired to create a hard surface. 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. ARDITEX NA can be applied on all common subfloors such as concreteStep 4: Mix Mortar. Put simply, a screed is a hard coating flooring surface similar to concrete. 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. The tiles will also stick to a concrete floor providing it is covered with a latex screed/self levelling compound. 3. Now time to ask the ID who say no need screeding why they say so. DECORATIVE CONCRETE OVERLAY OVER EXISTING CERAMIC TILEOver-Eze stampable concrete overlay and resurfacer has proven itself on many residential and commercial. Where it differs from other smoothing products is that there is a latex additive. With the existing tiles removed you're removing the risk of the screed failing. 2. Under ‘wet’ consistency toppings/overlays; 4.