they will 99% of. Maximum gap measured with a slip gauge. After the surface has been sanded, any dust must be removed using a vacuum cleaner. I've gone over vinyl tiles with green bag and 300 and got away with it. 8: Terrazo paving: 0. maul. Work the chisel under the tiles, forcing them loose. That's the point. 24 Oct 2014. For wet areas such as. If you have the height you could tile over the top - its not ideal. applied from 1’ – 2 ½” (25 – 63mm) mixed to a semi-dry consistency and placed over a latex/cement slurry bond coat consisting of 254 Platinum, 254 Platinum Plus or MULTIMAX. However, with unsatisfactory fixing practices or in certain climatic conditions, moisture expansion in excess of 0. Cement screed flooring Singapore: pros and cons. They are also known as thin screeds, flow screeds, liquid screeds, pumped screeds, deep bases or deep fills. Any tile installation can fail from a lack of using a tile adhesive primer. 9. 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. any good floor layer will be able to screed out a 5mm dip in your. Post reply. Application examples:The topic ‘Asbestos floor tiles’ is closed to new replies. screed over insulation. Tiles should be installed using a latex modified adhesive system, i. . 2. Peter Newman Flooring. Most tiles these days are over 15 inches in size; therefore, they require a perfectly leveled substrate to settle in properly. 16 Aug 2013. The function of a primer is to prepare the surface and increase the bond. If you use a paint sprayer, it is recommended to use a. latex floor screed is a cement-based smoothing compound. Arditex NA is a premium latex screed. The mortar has an open time (work-able time) of about 1 hour. June 28, 2022. 5/5. Finally, allow the floor to dry naturally to avoid cracking. 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. 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. 3. Non-structural floor screeds shall be adequate for the location and intended use, and provide a suitable background for floor finishes. Ready to tile now, use good quality tile adhesive and grout, powdered (bagged) materials are best. AS3958. Self-leveling underlayment has a bright future. 50 per square metre. New-build install: £50 to £75 per square metre. Use your steel trowel and work the compound in sections, following up with a spiked roller to make sure there aren’t any air bubbles. Remove loose tiles and leave the space open for filling with the compound. Underneath the floor tiles was this black substance which I have since found out to. Country Availability. Now mark, with a pencil or felt tip, the corner of tile 1, where it meets tiles 11, 12 and 13 onto the floor . The asphalt content lends mastic its black color. This has to be absolutely smooth for it to work, though. 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. I'm not sure how deep it needs to be yet as i need to speak to building regs. The new flooring will be loose laid cushionfloor. Floor levelling compound is also known as self-levelling compound. a solution that binds, regulates and fosters air flow in the base you’re going to apply. Floor leveler is usually latex-based cement. of the adhesive, screed and waterproofing compounds onto the surface. Providing they are sound and well bonded to a solid base with no cracks or lipped tiles. 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. 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. 5). 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. Finally, allow the latex to sit and dry for up to 24 hours. However, the Quikrete High-Performance. Latex screed. Renovation property: £135 to £185 per square metre. Laying ceramic tiles by Semi-Dry Mix Method. can i latex screed over the whole lot without removing the cork tiles which are very well adhered to the quarry tiles? or 2. The matt sits on top of insulation boards (10mm), which in turn sits on top of a concrete floor). Latermix Cem Classic and Maxi are no fine screeds based on expanded clay LWA and are quick drying even in high depth. 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. 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. 2-2012 – Waterproofing membranes for external above-ground use – Part 2: Design and installation B. Both times was because they didn't want to remove asbestos tiles. BS8204 Part1. However, I contacted a specialist anyway, and we are looking at £400 + VAT to remove the tiles. For instance, if there is a lump on the wooden floor, you can use this option. 1. But applying self-leveling concrete over old vinyl tile is not a good choice. Sanding is a technique where you primarily use sandpaper to grind down a wooden floor. A range of smoothing concrete for a smooth, permanent finish to a variety of internal substrates prior to the installation of floorcoverings, choose ARDEX. Ive also had 70 m2 latex crack over vinyl tiles. Apply the desired surface finish using a wooden or polyurethane float. Vinyl planks represent perhaps the best option for installation over ceramic tile. Prime and smoothing compound then any LvT. High Pressure Water Cleaning - 1,000 psi (6. Continue until the entire floor is covered, smoothed, and rollered. Back-buttering is not necessary. 5 mm must be completely compensated. Search the floor for any loose or damaged tiles. To flash the floor, the guys are using Kerabond mortar with Keralastic latex additive because it bonds so well. They also flog a ply-backed insulation board but don't divulge how they glue it on!The Bottom Line. Add 2 litres of the combined liquid per 20kg of screed and use your drill mixer on low speed to blend until it is smooth. - Assuming the screed has completely gone off (say 2 to 3 weeks) and I lay the compound, how long after this can I tile. (with added latex powder), requiring only the addition of water. You would question why you would want to go that deep with screed, and not use a void former. Discuss Advice for self-levelling over old tile adhesive, using Wickes latex? in the Tile Adhesive area at TilersForums. Use latex screed. Unconvinced that repairs were necessary, the tiler installed large format tiles over the cracked screed directly. The tiles will also stick to ceramic tiles if they are untextured. Contents [ hide] 1 Tiling over a waterproofing membrane, some helpful tips: 2 Decoupling mat floor tiling, some helpful tips: 2. The first thing to. Next, with a brush or roller, apply high-gloss or semi-gloss latex. The tiles have been removed in some rooms, leaving the bitumen, probably <1mm thick, and not sticky. Mixing and application of Nitotile GP shall be as follows; 20kg of Nitotile GP shall be mixed with 4. Thoroughly sweep and vacuum the entire floor. Tile adhesive is often used on large wall tiles to ensure they stay put once installed. 2 Check for hollow tiles. It pours wet and then dries to create a solid flat surface that is highly durable. 4. This prolonged drying also means that the job can be delayed for significantStep 1: Divide the floor into sections. ARDITEX NA can be applied on all Screeds & Mortars for tiling works. Wickes have a very good product, Latex self levelling screed, goes hard in about and hour or two and only need to leave it 24hours before applying new floor. It can be applied to Stopgap levelling compounds, structurally sound, smooth, dry, absorbent subfloors of concrete and sand/cement screed and plywood (minimum 6mm flooring grade). But even if large areas and/or large-format tiles are bonded, above-average stresses can occur overall. If the ceramics are bonded firmly to the floor you could apply primer (P131) and latex over the top. hi. If you have a 300mm of depth, you might want to put in 225mm of insulation. Actual jobsite coverage may vary according to such factors as job conditions and application methods. Not all primers cure the bitumen i would recomend a 131 primer before u laytex. Cement screed flooring is inexpensive. Hi, You can lay the carpet directly over the bitumen. Perfect for using over ceramics. 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. 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. 1 Step 1: Remove the adhesive residue. 2-m straightedge laid in contact with the screed. 9 Step 9: Allow Grout to Dry: 7 Tiling over Water Underfloor Heating, some helpful tips. The Latermix Cem range of concretes can be used for base screeds that are strong and very lightweight (450 – 600 kg/m 3) and contribute significantly to the thermal insulation of the slab. The example of bumps (OP's problem) of one quarter inch maximum, should prove no problem needing levelling (for flat/smooth). Be careful of latex compounds that say they can go over ceramics with no primer. There is no additional water, just pour the. You just need to apply a contract grade epoxy DPM, sandwiched between 2 layers of appropriate latex. ABSTRACT The use of polymer/latex type additives that improve the performance of thin-set adhesives and mortars has been in common and increasing use since the 1960's. All that’s required is spreading the compound over the prepared tiles. Tile panel movement joints should be created at maximum 3 meter centres in both directions, as well as around the perimeter of the floor. The correct way to this job would be to lift all the floor tiles, lay marine plyboard down and secure it with screws. AS 4654. That way if your kick boards are already fitted to the height of the ceramics there is no need to replace them. Tile keeps getting bigger and bigger. 16 January 2007 at 11:38AM in In my home (includes DIY) MoneySaving. Take up old vinyl tile and latex screed over black bitchem . When the sheets are secure, spread thinset mortar on the seams, cover it with fiberglass cementboard joint tape and trowel another layer of thinset on top of the tape as if you were taping drywall seams. must be filled. Product calculators. 3. ARDEX Screeds will pass a BRE Screed test in as little as 6 hours, rather than 2 weeks with conventional screeds. Poor Workmanship. you might just have a low spot along the old wall where the concrete meets the wooden floor. Step 6 – Double Check Measurements. bournemouth Super Moderator. Key features are: Longer working time compared to cement slurry. Pour as much Easy Mix Traditional Floor Screed into your mixing bucket as you feel you can comfortably mix in one go. My kitchen floor is part bare concrete and part quarry tile with cork tiles stuck on top. then use, f. 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. VAT. Floor leveling or screeding – necessary if concrete cannot be designed and. Paint the grout with grout paint, if desired. Use duct tape to try and rip it off like a waxing strip. 215: 10 mm thick granite floor tiles + adhesive. Latex floor screed is the ideal solution for levelling uneven floors and preparing surfaces for the application of floor coverings such as carpet, vinyl and ceramic floor tiles. and the screeding process can damage the heating cables or mats. Use a paint roller. Imo it will better to remove the tiles and the ply and start anew or you'll potentially have your toilet set in to the new flooring and the level at the doorway will be raised. The price is usually around $14-$28 SGD per square foot; Screeding cement is a simple process that can be done at home. 254 PLATINUM™, 257 Titanium or MULTIMAX™ LITE). If you're laying Karndean over existing flooring, be sure it is properly prepared. So if you allow 3mm for the latex screed and 3mm for the altro you would be looking at a raise in the floor by around 6mm. Flowcrete UK’s range of Isocrete Self Levelling Screeds offer numerous advantages for both new build and refurbishment projects. For the installation of most types of ceramic tiles in interior and sheltered exterior locations. Clean existing tile by scrubbing and washing with stiff bristle brush and detergent. Mix a small batch of thick screed and in-fill where the tiles are missing. Not actually used it myself (yet) but looking to level my garage floor so done a little research. As well as regular upkeep, wood flooring often needs annual sanding and re-sealing to maintain its quality. “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. Primer for floor preparation prior to tiling. It varies by manufacturer but it pretty much seems to average 4. 1. Place the mixed product onto the area to be ‘screeded’ and screed to the desired thickness and plane using an appropriate straight-edge. Put simply, a screed is a hard coating flooring surface similar to concrete. Under ‘wet’ consistency toppings/overlays; 4. Can anyone advise on best course of action?. latex floor screed is a cement-based smoothing compound. Use latex screed. Granolithic screed - A specialised type of sand-cement + aggregate screed, where the sand is replaced by a sand-gravel mix with a size range of typically 0-4mm in most usages. Over time, an increase in stress build-up will make the tiles more likely to pop. If the plyboard has been pulled down in some area because of the screws when securing it a levelling compound might. The increased use of other dense layers over the screed, such as uncoupling, or crack-isolation membranes made of bitumen or plastics such as. Another tradesman said they could do it without screeding because they are. PT Flooring Specialists. 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. Self-adhesive vinyl tiles can be laid perfectly on the screed and liquid screed. These BS 8204-7 compliant, quick-laying screeds are less labour intensive and. The tiles are placed in the wet slurry and “beat-in” with a rubber mallet. Note: If you do stick a cork tile in the wrong spot, use a firm-blade, 3-in. After measuring the surface area for the backsplash, wall, or floor, planning out the exact layout of the tiles, and cutting them. A common practice among Singaporean homeowners, overlaying tiles is the process of laying new tiles on top of existing tiles or vinyl flooring. GB Carpets. However, there are a few factors to consider before embarking on this type of project. Then mix a lighter, creamy batch and wash over. While putting a self-leveling compound on Bitumen floors is not recommended, a few other tricks can help, like applying PVA primer or using Ardex 2-part self-leveling compound that combines latex with the concrete. Make sure to install movement joints in the screed over any structural or cold joints in the balcony. When laying vinyl, ceramic tiles, carpet and other floor coverings. Tiling floorboards with wood effect tiles offers a variety of benefits over natural wood, including being more durable, and easier to maintain and keep clean. USES Davco DW 1 may be used as a mortar additive for fixing. Remove the painter’s tape to reveal a straight even edge. Mix 1 part water to 1 part Prime & Bind. 2. Available styles include: All these products are water-resistant and help to seal the surface against moisture. If there is a significant trench where the grout is – fill it and seal it. Scotts Plumbing & Property Maintenance Limited. Before you tackle how to tile an uneven floor, it’s really important to use a good primer i. If you are working on new. That will stop any raising damp to your vinyl. Installation of Ceramic Tile in Swimming Pools,. Need to make sure they are aware its not the best way. Coverages provided are for estimating purposes only. The common types of flooring laid over levelling screeds. Nonetheless, as simple as this process might sound, there is a lot more to. When laying vinyl, ceramic tiles, carpet and other floor coverings. g. 3. any good floor layer will be able to screed out a 5mm dip in your. Calculator. stoneyboy. Cleaning the debris: Soak a cloth in clear water and wipe any dust or debris off the plywood surface. Ceramic tile is a building material made from clay that has been molded into tiles and fired to create a hard surface. In this case the screed or topping is separated from the floor by insulation boards or an impervious membrane. A 'self levelling screed' is a generic term given to a group of products which are used to create smooth floors prior to the installation of the floor covering. 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. screed to go off before laying the tiles, so I am guessing I should also wait the same time-frame before putting down the S. The floor leveler will fill in previous grout lines and make the floor level for the tile over tile application. 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. Before laying self levelling screed, its suitability needs to be determined. I gather you are planning on putting down a floating wood floor i. AS 3958. 2 / 17. Hiya I have a small bathroom which I tiled with "bargain" tiles from B&Q. SR1 3mm. Review the jobsite conditions and find out what needs to be fixed. SR2 5mmMAPEI. ABSTRACT The use of polymer/latex type additives that improve the performance of thin-set adhesives and mortars has been in common and increasing use since the 1960's. • The recommended adhesive for this application is ProGrip Flexibond for ceramic tiles or ProGrip Porcelain Fix for porcelain tiles. Apply only a thin coat to avoid dripping. Make sure each area is a manageable size to avoid any issues. Screwfix Select. 5 litres per 20kg bag of screed. Provided the tiles are sound and are protected by an underlying damp-proof membrane, skim over the tiles and fill the joints with a latex screeding compound in preparation for laying the vinyl tiles. 322. Like 1. As it might sound, a bonded screed is applied directly to the. Adding a little extra water to a thick mix can make it spread easier, might increase drying time slightly. Wickes sell 'Setcrete Floor Leveling Primer' , which seal porous, dusty surfaces prior to pouring the levelling compound. Wood Floor Hence they need to screed, because dont have ppl who put 30mm of cement before laying tiles. 3. My kitchen floor is part bare concrete and part quarry tile with cork tiles stuck on top. Use long strokes and hold the trowel at a consistent angle. 2. Allow to dry. Like 4. Textiles can be found in fuse boxes behind the actual fuse. ceramics I don’t know. We would not advise that you use ceramic. Applying a semi-dry cementitious type of screed. Step 5 – Measure & Draw a Diagram. When painting a tile floor, the following three types of paint work best:. AS 3740-2010 3. This will provide a dense surface to tile onto and will aid drying. 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. If you're laying Karndean over existing flooring, be sure it is properly prepared. Because concrete has the potential to hit very high strengths, it is used across the construction industry for. 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. Estimated Cost: $75 to $100. 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. material system used as a base over which the ceramic tile is to be fixed. Apply a second coat evenly (if required). 6. Working Time: 6 - 7 hrs. Q. We have been taking quotes for LVT in our ground floor, which is now carpeted. T & G Floorboards. A self-leveling compound is. 1 Sand-cement screeds should generally incorporate a latex additive (such as Planicrete) and should be installed as per the guidelines in Appendix A of AS 3958. The products are mixed together, poured onto the floor and trowelled to a flat finish. SR3 10mm. almightymat. The floor is then completely sanded and vacuumed. DECORATIVE CONCRETE OVERLAY OVER EXISTING CERAMIC TILEOver-Eze stampable concrete overlay and resurfacer has proven itself on many residential and commercial. 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. Reply to Kitchen Floor tiling on Latex Self Levelling Compound in the. However, if the tiles are damaged, it’s best to remove them before screeding. So it is best not to use self-leveling concrete or compound over existing vinyl tile. Waterproofing applications are important in housings, commercial and industrial buildings to protect against water intrusion in bathrooms, kitchens, balconies, swimming pools, basements, etc. 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 -. Chances are there might not be a damp proof membrane under the tiles as well. 3 Step 3: Stacking Tiles: 6. 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. 4 - Ceramic tile detached from a crumbly screed. Green screeds are usually 1:3 or 1:4 cement and sand at a usual thickness of 50mm. 2. Over the backs of ceramic tile, stone or brick before placing concrete or mortar during fabrication of ‘negative’ cast panels. When applied over well-prepared ceramic tiles, it ensures a tenacious grip, minimizing potential issues related to delamination or detachment. Thank you for your advice. It is a considerably cheaper alternative to a full renovation as no hacking is required. MAPEI Technical Notebook(s): 1. AS 4654. This is because the latter generally reacts to external influences, such as temperature or humidity, with stronger expansion behaviour. If you have the height you could tile over the top - its not ideal. Asbestos floor tiles were once a popular choice for flooring, and you will often find old asbestos floor tiles hidden under carpets. Wait a few minutes. 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. See, if it were me, and fitting ply over it, I would fix a 16mm batten all the way along the low edge, fill the lot with cement mortar. bournemouth Super Moderator. of the adhesive, screed and waterproofing compounds onto the surface. Total Time: 2 wks, 1 day - 2 wks, 2 days. When the old floor material is a still strong ceramic tile surface though, you can place the new covering over the tiles as long as you create a smooth surface beforehand. 2×4 on edge; any areas where the gap between the slab and the 2×4 is wider than 1/8 in. 4. 2-m straightedge laid in contact with the screed. Tiling onto green screeds or concrete. ARDEX FEATHER FINISH is ideal for patching and smoothing minor surface damage to levelling and smoothing compounds i. Start at a broken tile or between tiles where the grout has loosened. Liquid Screed. Step 4. £46. If the plyboard has been pulled down in some area because of the screws when securing it a levelling compound might. Last edited: May 23, 2012. 1. 3 Comb the mortar. Working Time: 6 - 7 hrs. Maximum gap measured with a slip gauge. In 1986, a Field Report of the Ceramic Tile Institute of America (86-5-1) titled “Installing Ceramic Veneers with Latex Modified Mortar & Grouts” used the term “Latex Leaching. You can then lay your new floor on top. Color: Gray. Thanks to its protein-free composition, it is also a good choice in environments where hygiene is important such as hospitals and food preparation areas. It is possible to waterproof and tile over existing tiles, provided the existing tiles are in good condition and firmly attached to the substrate. N. It is probably a low content, eg. 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. The sudden expansion or contraction results in a lack of adhesion between the tiles and the screed. As the title says, looking for a good primer and screed to go over quite shiny ceramic tiles. The thickness of the screed allows it to take up normal variations in flatness and levelness of the base on which it is laid. Can be used with underfloor heating systems. . Mr. Use clean water and a mop to wipe the floor (remove the detergent residue). One of the historical Mapei product lines with a complete range of versatile, reliable and innovative products for installing ceramic and stone material. Screed floor leveler over low areas using a 2×4. Dip the paint roller into the primer, then roll out the excess on the tray until the roller is nearly dry. Whilst it is still poured at a shallower depth than traditional sand and cement screed, the minimum 35mm pour is. Scotts Plumbing & Property Maintenance Limited. That will stop any raising damp to your vinyl. 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. Used for: levelling uneven subfloors, internally and externally, prior to laying ceramic tiles, thermoplastic tiles, lino, wood block flooring, or carpet. 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. 3. Starting at one side of the room, unroll the membrane and cut to fit the room as one would a carpet. 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. 1 – Step 1: Prepare the surface. Dump or scoop the mortar onto the surface. 2. 1. I am hoping to cover it all with a vinyl sheet. it could easily be up and down by up to 15mm. 105 mm. plaster, cement render, fibre cement sheet, plasterboard. Add message. 8 Feb 2010. Reply to londonchap81. 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. thank you for the advice!! We notice you have a post regarding asbestos. Screeding over cracked tiles can cause pressure over time on the screed and begin to break it up in the affected areas underneath. SR2 5mmMAPEI. Nonetheless, as simple as this process might sound, there is a lot more to. Screw the sheets to the subfloor, using rust-resistant screws and spacing them 6 inches apart. Be careful of latex compounds that say they can go over ceramics with no primer. The tiles will have to be screeded over before the LVT can be laid. Flooring. s1oww said: The area i need to cover over the tiles is 6m x 2. Epoxy DPM * Existing Adhesive Residues. MAPEI recommends adding 5% to 10% in overage to ensure. a screed should be used prior to fitting any amtico or LVT (luxury vinyl tile) flooring. Next, with a brush or roller, apply high-gloss or semi-gloss latex. 9") and tape them together. Screwfix Select. If you're installing vinyl plank flooring over an existing ceramic tile floor, check that the grout lines are no larger than 1/4. 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. You can paint over any blemishes or missed spots that the painter's tape covered up, but be sure to let them dry. Once traffic starts walking over it, those stresses start moving the tiles and eventually they pop off the floor and get. Prime with two coats, allowing the first one to dry fully before adding the second. 3 Jul 2007. Suitable to receive floor coverings after 4 hours. Ardex Arditex NA is a smoothing compound and is one of the sub-floor preparation products. The tiles will also stick to a concrete floor providing it is covered with a latex screed/self levelling compound.