What's the best latex / screed to cover ceramic tiles Andy O'Hara Peter Newman Flooring Www. If there is a significant trench where the grout is – fill it and seal it. Discussion in 'Subfloor Preparation' started by SandyFloor, May 30, 2011. 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. If the existing concrete is dirty you will have to use some self-levelling compound which includes latex. Tiles greater than 400 x 400 mm should be back-buttered. With an average labour cost of £11 per square metre, we arrive at a screed floor cost of £26. Screeding a floor and setting levels for the required falls is not something for a first time DIY tiler. 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. When painting a tile floor, the following three types of paint work best:. 3 Comb the mortar. we don't need a specialist. Allow to dry. 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. LVTs like Karndean Amtico Moduleo etc yes. Apply a second coat evenly (if required). I'm new to this and didn't select reply before. The function of a primer is to prepare the surface and increase the bond. Make sure to install movement joints in the screed over any structural or cold joints in the balcony. 2. Hence they need to screed, because dont have ppl who put 30mm of cement before laying tiles. and the screeding process can damage the heating cables or mats. plaster, cement render, fibre cement sheet, plasterboard. The level of residual humidity in a screed is measured using an electric or carbide hygrometer (Fig. Latermix Cem Classic and Maxi are no fine screeds based on expanded clay LWA and are quick drying even in high depth. Remember these tips prior to starting work. Before laying self levelling screed, its suitability needs to be determined. 2. Can anyone advise on best course of action?. Superior general purpose Cementitious Tile. tanking. #2. 1 Add a decoupling mat to the substrate. This will provide a dense surface to tile onto and will aid drying. Mastic is a general term for a type of glue-like adhesive. The tiles will also stick to ceramic tiles if they are untextured. Start at a broken tile or between tiles where the grout has loosened. Discuss Advice for self-levelling over old tile adhesive, using Wickes latex? in the Tile Adhesive area at TilersForums. hi. AS3958. commences. Removing the laitance by sanding to provide a key for the primer and/or adhesive. Perfect for using over ceramics. Then mix a lighter, creamy batch and wash over. Mapei prim grip is the grey primer. The tiles will have to be screeded over before the LVT can be laid. 37 mm thick screeding: 0. Application examples:The topic ‘Asbestos floor tiles’ is closed to new replies. The correct way to this job would be to lift all the floor tiles, lay marine plyboard down and secure it with screws. The tiles will also stick to ceramic tiles if they are untextured. AS 3740-2021 – Waterproofing of domestic wet areas 3. It is a considerably cheaper alternative to a full renovation as no hacking is required. If you have a 300mm of depth, you might want to put in 225mm of insulation. 9 Step 9: Allow Grout to Dry: 7 Tiling over Water Underfloor Heating, some helpful tips. Arditex NA is a premium latex screed. Go to product. use f. Tile panel movement joints should be created at maximum 3 meter centres in both directions, as well as around the perimeter of the floor. 27kg ARDEX A 29 cement per m² for each millimetre of screed thickness using a 1:7 mix. #1. Latex floor. If using porcelain tiles, ensure adhesive choice is suitable for. I would recommend F-Balls products. Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water-soluble adhesive residue on concrete. Over time, an increase in stress build-up will make the tiles more likely to pop. If you are installing where existing floors have been removed, check that there are no traces of previous adhesive residue. 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. Chalk paint can be applied without primer to lend a shabby-chic solid color to the. 4. 5-6. 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. SikaCeram®-260 StarFlex Deformable tile adhesive with lightweight fillers. Ive also had 70 m2 latex crack over vinyl tiles. Vinyl planks represent perhaps the best option for installation over ceramic tile. To flash the floor, the guys are using Kerabond mortar with Keralastic latex additive because it bonds so well. 75, The Home Depot. Applying Screed. Liquid Screed is either a cement-based compound or anhydrite (gypsum based). 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. Be careful of latex compounds that say they can go over ceramics with no primer. Floor leveler is usually latex-based cement. 0. the concrete or sand/cement screed should be confirmed dry by. Just make sure the tiles are solid. BASF, the leading latex supplier in waterproofing industry, provides comprehensive solutions for cementitious waterproofing, mastic waterproofing. Step 1 – Fill Large Grout Lines. Latex / screed info please. By contrast, asphaltic cutback adhesive is an older type of mastic made with asphalt-based cement. 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. However, a few superficial cracks developed across the screed surface. co. 2 - 12mm Application. a suitable primer (depending on sub floor) should also be used. Answered 15th Oct 2019 Like 0. Strike the face of stubborn tiles to break them up for easier removal. They flow like liquid across substrates similar to ‘self levelling. Lee Allen New Member. I was charged £2,600 and although I knew this was expensive I put. SandyFloor Well-Known Member. Water or latex based screed. Ceramic tile / stone adhesive - floor and wall thin set mortar DESCRIPTION Davco 168 is a cement-based, thin or medium bed ad-hesive, suitable for fixing ceramic tiles onto walls and floors, dry or wet interior or exterior areas. Resilient floorcoverings can be installed after just 4 hours and ceramic tiles in as little as 3 hours. Skill Level: Intermediate. Handyandy Screwfix Select. NOTE: Arditex NA should not be used on top of vinyl. Use a large carpenter's level to identify low areas of the floor. Adding a little extra water to a thick mix can make it spread easier, might increase drying time slightly. High Pressure Water Cleaning - 1,000 psi (6. 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. Most latex self levelling screeds can also be used to level floors from 1mm up to 10mm (but this will depend on manufacturer) and can also be used at greater thicknesses by adding some sharp sand to your mix. Remove and Smooth. co. g. • For use with porcelain tile and over a wide range of floor surfaces when mixed with Polymer Additive (#13956) instead of water. Fibreglass * Prime. 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. ” 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. In my haste to get started, I ripped up the old carpet and underlay finding thin tiles that easily pried off the floor. so asphalt over concrete, latex screed, either NA or latexplan trade etc. Thank you for your advice. The maximum screed thickness when using sand and cement screed, as such there isn’t one, as long as the screed has been compacted in layers then 100, 200, 300mm is possible. Used for: levelling uneven subfloors, internally and externally, prior to laying ceramic tiles, thermoplastic tiles, lino, wood block flooring, or carpet. Country Availability. 6. I would lay a latex screed over the lounge and hallway after replacing or filling (with sand/cement) any loose tiles. Unconvinced that repairs were necessary, the tiler installed large format tiles over the cracked screed directly. latex floor screed levels out uneven substrates leave a smooth surface to bond to. Go to product. This removes dirt and irregularities and the self-adhesive vinyl floor can be easily installed. Prime and smoothing compound then any LvT. Screed floor leveler over low areas using a 2×4. Work the chisel under the tiles, forcing them loose. Skill Level: Intermediate. 3. Foroblong tiles, each similar. Scraping the screed over the newly applied self-leveling latex compound will help to spread it evenly over the floor, ensuring it fills up every dip. Mr. Shovel up a full load of mix and dump it on top of the mixture. AS 4654. Product calculators. Ideal for installing ceramic tiles, marble, slate and natural stone onto concrete, cement render, rendered brickwork surfaces or over existing tiles. Scotts Plumbing & Property Maintenance Limited. Color: Gray. #1. 85kg Latex Coverage: 5m2 at approximately 3mm thick. The mortar has an open time (work-able time) of about 1 hour. Make sure each area is a manageable size to avoid any issues. They also flog a ply-backed insulation board but don't divulge how they glue it on!The Bottom Line. mortar. The first step in any pool tiling installation is to evaluate the substrate and ensure it is flat enough to receive the tiles. However, with unsatisfactory fixing practices or in certain climatic conditions, moisture expansion in excess of 0. Pour a small amount of bonding primer into a lined paint tray. Actual jobsite coverage may vary according to such factors as job conditions and application methods. The. rip some 18mm ply. Estimated Cost: $75 to $100. JC Flooring Professional Carpet Fitting Service. Step 6 – Double Check Measurements. 12. Before laying ceramic tiles or natural stone onto a cement/sand screed, the screed should be covered and cured for 7 days followed by a further 14 days of continual air drying; a longer period. That will stop any raising damp to your vinyl. Hmmmm Tiles should be installed using a latex modified adhesive system, i. 5 Ltr. Green screeds are usually 1:3 or 1:4 cement and sand at a usual thickness of 50mm. Most of us who do lvts have been asked to lay over ceramic floor tiles. Installation of Heated Screeds and Substrates for. a screed should be used prior to fitting any amtico or LVT (luxury vinyl tile) flooring. Around £12 I remember but will probably be way too much quantity for your small area butafter removing existing tiles or where bricks/blocks are uneven. The function of a primer is to prepare the surface and increase the bond. 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. Mix detergent with warm water. Sanding is a technique where you primarily use sandpaper to grind down a wooden floor. Carolann's carpets. 1-2007. Funnily enough Celotex do say you can float ply over their insulation boards and tile onto it, but they seem to assume that ply comes perfectly flat and don't have any recommendations as to how to get it all nice and rigid. 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. high performance thin-bed adhesive for installing a wide range of tiles and stone including low absorption ceramic tile, porcelain tile, natural and manufactured stone using thin-set. VAT. None of those apply to wall tiles, and the reduced weight of a thinner tile makes for easier installation. . separate application of material to achieve the required vertical flatness (walls). Help! 29/12/12 - Thanks for your replies. Latex screed. Underneath the floor tiles was this black substance which I have since found out to. The latex also allows the floor a certain amount of flex over time so this helps to prevent cracking and shrinkage. Labour costs. In this case the screed or topping is separated from the floor by insulation boards or an impervious membrane. DIYDave. material system used as a base over which the ceramic tile is to be fixed. You’ll also see tile adhesive used as an underlayment beneath laminate flooring or. USE To level uneven internal subfloors to provide a smooth surface. Can be used in bonded and unbonded applications. 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. Once broken up into sections you can more easily ensure your floor will be evenly screeded. The thickness of the screed allows it to take up normal variations in flatness and levelness of the base on which it is laid. Floorcoverings can be installed after as little as 15 minutes. MAPEI Technical Notebook(s): 1. ball & young stopgap 128 latex liquid, mixed with f. Economical: Suitable for tiling on fresh screed. 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. Priming becomes even more of a necessity once you consider the amount of dirt, plaster, adhesive, and various. e. Work the chisel between the tiles and the concrete, hammering them up with a 2-lb. 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. you might just have a low spot along the old wall where the concrete meets the wooden floor. If you use a paint sprayer, it is recommended to use a. Maximum gap measured with a slip gauge. The mortar has an open time (work-able time) of about 1 hour. Pry the tile section using the chisel to remove the tile altogether and proceed to the next till the job is done. (19 mm) Thickness) Typical Mix Ratio: 5. 6 mm/m) can contribute to problems. As a rough guide, laying a conventional sand/cement screed costs around £15/m2, increasing by around £5/m2 when delivered ready-mixed. ceramics I don’t know. If u dont use the right primer the floor screed will blow under nieth eney flooring. scraper to pry and scrape it up. If your tiles are loose, cracked, or broken, you will need to repair or replace them before applying self-levelling. s1oww said: The area i need to cover over the tiles is 6m x 2. Step 4. • When mixed with water, suitable for ceramic tile, quarry, pavers and saltillo tile over cementitious surfaces. “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. All that’s required is spreading the compound over the prepared tiles. Order Bostik Cementone Cempolay Universal Primer Clear 2. 9") and tape them together. Resilient floorcoverings can be installed after just 4 hours and ceramic tiles in as little as 3 hours. Where it differs from other smoothing products is that there is a latex additive. Bonded. they will 99% of. Perfect for using over ceramics. 2. . It is probably a low content, eg. ARDEX Screeds will pass a BRE Screed test in as little as 6 hours, rather than 2 weeks with conventional screeds. Making sure the floor is level is vital when laying vinyl tiles. Applying a semi-dry cementitious type of screed. a solution that binds, regulates and fosters air flow in the base you’re going to apply. The best solution would be to pull the tiles up. It can be confusing because many leveling compounds are marked as useable on a variety of surfaces, including linoleum and vinyl. A. 1. not a water based mix. Use a 3/4- or 1-in. 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. According to the industry standard for ceramic tiles with a length greater than 15 inches, the variation in flatness should not be greater than 1/8th of an inch in 10 feet. 2mm to 3mm latex screed must be installed before any sheet or tile floor covering is installed. (with added latex powder), requiring only the addition of water. I was charged £2,600 and although I knew this was expensive I put. Asbestos was added to the mastic for its. 2-m straightedge laid in contact with the screed. 2-m straightedge laid in contact with the screed. Drying times vary according to the brand of. Then once the screed is dry use a liquid DPM such as F-Ball Stopgap F77. After the surface has been sanded, any dust must be removed using a vacuum cleaner. Hi Charlotte, I wouldn't screed over them as the adhesive used under the Marley tiles will be a very week bond and over time walking on the floor they can come loose which will then crack the screed and then the Karndean will be up. Cleaning the debris: Soak a cloth in clear water and wipe any dust or debris off the plywood surface. 4 - Ceramic tile detached from a crumbly screed. 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. Decoupling mats are also obligatory when laying tiles on an existing wooden floor. Keep going until you’ve shifted the entire mountain atleast 3 times. 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. Self-leveling Properties: Ceramic tiles may have minor level. The mortar has an open time (work-able time) of about 1 hour. There are four variant of TILEFIXO for different application. Forget the PVA. For bathroom wall tiles, it is important to take note of the material they are made from. Step 6. Check the entire slab for low spots by laying a straight 10-ft. 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. 2 litres of water with a slow speed drill. Lee Allen New Member. 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. So it is best not to use self-leveling concrete or compound over existing vinyl tile. Pour as much Easy Mix Traditional Floor Screed into your mixing bucket as you feel you can comfortably mix in one go. thank you very much for the clarification. Ideal for fast-track tiling, ARDEX AM 100 is ready to receive tiles after just 2 hours, regardless of thickness. 3. Work the chisel between the tiles and the concrete, hammering them up with a 2-lb. PT Flooring Specialists. The products are mixed together, poured onto the floor and trowelled to a flat finish. 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. CAC FLOORING. 322. I would recommend screeding it because it would encapsulate the tiles but also give you a perfect surface for whatever flooring you decide on in the future. Systems,. Category: How To Guides. Leave to go off slightly then sprinkle some water over and smooth over with the trowel. Use a 2×4 to screed the floor and completely. simple answer is no, this is mainly down to the adhesive failing underneath. I am hoping to cover it all with a vinyl sheet. You can paint over any blemishes or missed spots that. Using either a specific tile primer or SBR, follow manufacturers instruction on container (SBR likely diluted 1-4 with water) paint on 2 coats over the Marley’s. Glazed or textured tile surfaces should first be sanded back to ensure a good bond with the concrete, wide grout joints should be sealed to avoid obvious outlines and sinking, and several coats of primer should be used to prepare the site. Not all primers cure the bitumen i would recomend a 131 primer before u laytex. Where it differs from other smoothing products is that there is a latex additive. Remove cork tiles and then screed over concrete and remaining quarry tile/ cork. ball & young p131 general purpose neoprene (diluted) floor primer, to prime the tiles. Once the tiles are rumoved there will still be bitumen on the sub floor. Screeds are typically bonded onto most. Cheers vman, Mar 3, 2012 #1. Every room was covered in thermoplastic ("Marley") tiles, attached with a thin layer of bituminous adhesive. Green Screed. Screeds / Mortar Beds . Also use for interior applications over exterior-grade plywood. Suitable for both internal and external, thin bed applications. Remove loose tiles and leave the space open for filling with the compound. Screeds to adhesive fixed rigid tile applied floorings: BS5385 Part3. Floor leveler is usually latex-based cement. 20 -25 min Working . Rich mixed up a 5 gallon bucket according to the directions and let it slake for 5 minutes before mixing it again. MAPEI Technical Notebook(s): 1. However 13 IS a Prime Number as it can only be. 50 per square metre. 8 to 5. Using chalk or a pencil, mark low and high points and check again for any ridges or depressions you. Photo credit: Weber. Only really suitable for domestic loose lay vinyl. The floor needs to be. If you are applying paint in a high-traffic area or an area with a lot of moisture, a protective coating is also recommended. Unit Size Available: 20kg Powder 4. Not actually used it myself (yet) but looking to level my garage floor so done a little research. Mapei prim grip is the grey primer. The floor is then completely sanded and vacuumed. screed. Use duct tape to try and rip it off like a waxing strip. 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. To flash the floor, the guys are using Kerabond mortar with Keralastic latex additive because it bonds so well. When laying vinyl, ceramic tiles, carpet and other floor coverings. 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. This prolonged drying also means that the job can be delayed for significantStep 1: Divide the floor into sections. 5. A chipboard floor will move when walked upon. screed over insulation. 4-6mm would be fine. As it might sound, a bonded screed is applied directly to the. #1 hi all. Both times was because they didn't want to remove asbestos tiles. One of those options is a new layer of ceramic tile. JC Flooring Professional Carpet Fitting Service. quarry, ceramic and most natural stone tiles* over interior or exterior concrete and masonry floor and wall surfaces. With a floor leveling compound, the smooth subsurface is easy to create. LVT is warmer underfoot than tiles anyway so you’d probably not notice the difference that it will make for heat travelling, any cold spots will probably feel warmer too. 2 states: Where a tile bed or screed is used, the waterproof membrane shall be installed above or below the tile bed or screed. hand maul. The matt sits on top of insulation boards (10mm), which in turn sits on top of a concrete floor). PRIMINGDescription. 0222 / mm thick: 6 mm thick glazed tile + adhesive: 0. BS8204 Part1. Using chalk or a pencil, mark low and high points and check again for any ridges or depressions you. A slow or rapid-setting adhesive can be used to apply porcelain tiles onto your screed. 3. 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. Lay down polyethylene or PVC sheets to separate the concrete from the screed layer. FREE next day delivery available, free collection in. over almost all subfloors without priming, including ceramic tiles, bitumen and flooring grade plywood. Maximum gap measured with a slip gauge. Floor tiles need to be thick to withstand years of foot traffic, the weight of furniture, and the sharp shock of dropped objects. oogzy Member. 214: 10 mm thick glazed tile + adhesive: 0. As a result, bigger tiles require flatter floors. 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. 8 Mpa). Rapid, High Flow Self-Leveling Underlayment. FAQ. A selection of acrylic, synthetic resin and SBR primers. “A common cause of problems in rigid tiled flooring is cracking, associated with underfloor heating. How to Install Sheet Vinyl Flooring Over Tile. You can then lay your new floor on top. Traditional sand and cement such as a 1:4 ratio could be bonded at 40mm. If the plyboard has been pulled down in some area because of the screws when securing it a levelling compound might. Allow the tiles to dry. Reply to Kitchen Floor tiling on Latex Self Levelling Compound in the. We have been advised to sort the floor out and latex screed was mentioned.