Loughborough • Member since 22 Jan 2013 • Temperature changes, heavy weights, and dropped objects can all damage your concrete floor by causing cracks and holes. Have it sloped to the tiles. The room is approximately 3m x 4.5m. Last week I made a concrete subfloor leveling in the living room which connected with a long hallway. Metal should be protected by more concrete than that and the reinforcement can act as a shear plane in the concrete. Check your floor for damp first, if ok then start fixing. I’ve got a 10 yr old detached garage that was built on a driveway pad. Thanks to these advances in technology, even a classic grey concrete floor will look stunning with the right surface preparation and finishing. For a walkway, raising the level by several inches can throw off its alignment with the driveway, steps or another structure. Damp affecting Concrete Floors. It's a concrete slab and I can see the DPM coming up from the sides. Repair the garage floor using joint repair compound and mortar. Best way to lay a vinyl/lino floor in a 1.5m by 1.5m bathroom floor. Thanks. Re my previous post on tiling over 18mm ply laid on a concrete floor, is there an easier way to make up this level using self leveling compound etc? Measure the distance from the garage ceiling to desired final floor level at each corner of the garage … A construction adhesive and Ramset nails were used to secure the sleepers to the slab. Raised floors allow homeowners to relocate plumbing with much greater ease. But we want to do a zero curb. We have over 25 years of experience installing raised concrete floor systems for facilities of all sizes, including multiple Fortune 5,000 companies, and an established reputation for providing superior customer service. Determine that the repair area is within the manufacture’s spec for minimum and maximum repair depths. Floors can easily suffer from moisture ingress otherwise known as penetrating damp. To lay new concrete, sweep and clean the old concrete, and saturate the old concrete with water. It's perfecet for semi solid which have tighter fit in the tongues and grooves and a wider board to absorb any uneveness though. Another consideration is whether this floor is exposed to rain. Registered in England No. Floor underneath was a little uneven and should have been levelled, though I believe other methods (nailing, glueing full board to floor) wouldn't have had a problem as it wasn't majorly off - I feel that floating is weakest as only the tongues and grooves are glued so it will be more vulnerable to coming loose in the long run. I’d like to convert it into shop with an insulated floor. Why do you "need" battens? Floor screeds. An elevated or suspended concrete slab is most commonly found in multistory heavy-use buildings, such as parking garages or commercial offices. Hi Guys, I have a carpeted theatre room which is divided into an upper floor and a step down to a lower floor. Pouring a new layer of concrete over an existing walkway, patio or porch will raise the level by several inches. In a new home with new concrete floors, the timeline before a decorative treatment can be installed will vary greatly, depending on the circumstances. Plan is to use actis triso sols which … Lower floor size 4.1m X 3.7m. Concrete tends to hold cold and to suck away warmth. For a better experience, please enable JavaScript in your browser before proceeding. What is the correct way to get a gas supply to the cooker. jobs, 16 The floor is concrete. For deep repairs, Top 'N Bond can be used in multiple lifts of up to 1/2 inch at a time. I'm in a similar situation and I'm not prepared to float a solid wood floor as I've seen problems when it's done this way. The original shower had a small step down to the tiled shower floor that served as the curb. You are saying that this is a new house and the kitchen floor will be 35mm lower than the batten solid timber floor, can you not raise the kitchen floor by 35mm including tile or have you all your units in, I know the doors will be low but wouldn't take much to cut them, Think about it. would it be better to lay concrete with 10mm ballast for strength Thanks in advance feedback, Hi you can do 1of 2 things re screed it with concrete, or you can now buy levelling compounds that can be 25 mm max, I'd personally use the levelling compound, How to install a UPVC french door frame (of a storm porch) to a bay window. Fill any cracks in the floor with joint … A floor screed is usually a cementitious material made from a 1:3 or 1:4.5 ratio of cement to sharp sand. Description. Grinding and repairing a concrete floor can create concrete dust, so be safe and wear a respirator.A dust mask will not give you enough protection. Raising Concrete floor by 18-20mm? ohdannyboy. To test the evenness of a concrete floor, lay a 10-foot long 2x4 board across the surface. It is concrete with firmly fixed thermoplastic tiles. The floor cannot be floated according to the supplier, he said I could risk it but they would not give any guarantee. 100% positive You are using an out of date browser. Hills and valleys that are more than 3/16 of an inch can cause problems for any flooring you plan to place on top of the concrete flooring. A few boards came loose. I'm in a similar situation and I'm not prepared to float a solid wood floor as I've seen problems when it's done this way. Typically, the floor … I wish to fill/raise the lower part of the floor to make it level with the upper floor. The reason for this is that concrete is a very porous material meaning that water can rise through capillaries and therefore lead the property to suffer from having damp floors. If the concrete slab is on the ground, it will also tend to pick moisture up into the home and be a constant source of mold, even if sealed. Any help would be appreciated. I have a little downstairs loo I'd like to raise the floor level of. You'll need to prime the ply/self leveller before you tile though. I had the same problem in the kitchen, my uncle came up with the idea of gluing down plywood to the concrete using PL Premium then mortar my tile on top of that. i need to raise floor in lounge and hall about 25mm to run flush with new kitchen floor because the concrete on new extension is too high to get enough screed on so it will be higher than the lounge so i was thinking could i lay them woodfibre underlay boards straight on top of my laminate flooring that was coming up anyway and then use about 15mm depth real wood flooring on top of this … How to Raise Garage Floor for Living Space. The screed is about 25mm thick and comes up real easy. Under that I have concrete, which incredibly is only about 30mm thick, under that is hardcore (I thought the slab would be thicker than that). I’m trying to figure out the best way to level the existing concrete - as the structure was built on a pad, there’s about 5” slope across the existing floor. Normally garage floors are about 8 inches below the general house level. If you raise the whole floor. This can cause a number of problems: 1) Water can get through your floor and pond against the battens creating a damp environment perfect for wood rot. Concrete tends to hold cold and to suck away warmth. The laminate material can mimic the look of wood, tile or natural stone flooring. Drill, plug and screw along with polyurethane glue, sheets of 18/ 22/ 25mm (whichever is closest to your discrepancy) WBP ply direct to the floor. Timeline for New Concrete Floor Construction. You must log in or register to reply here. The result will be a beautiful, level floor … If you were to remove the flag stones and thinset, what would be the best way to raise the level of the existing slab to make up for the lost height once the flagstones are removed? While concrete is a strong construction material, it can still crack. If the board leans or has gaps in certain spots, then you can see where the floor is uneven. It may be applied onto either a solid in-situ concrete ground floor slab or onto a precast concrete floor unit. Best way to raise a concrete floor by approximately 25mm. Also called raised flooring, access flooring, or raised access computer flooring, a raised floor is a construction model in which an elevated floor is built above a building’s original concrete slab surface, thereby creating a hidden void between the two floors that is used for the passage of mechanical and electrical services.. Raised floors are warmer. If you just want to raise a portion of the floor above a good concrete slab you could use a dry pack mortar like is used in tile showers. Featured Product: Top 'N Bond® Concrete Patcher PREPARATION. Lower floor size 4.1m X 3.7m. 2) Swelling and cupping of your floor boards is likely. (Remember your battens are running across the concrete's fall). Can it be screeded or is it too small a depth? This height can be easily made up with a layer of insulation and some concrete screed. Screed thickness should be approximately 25 mm but not less than 15 mm or more than 40 mm. I am planning to use kerdi membrane for water proofing, with a kerdi linear drain and kerdi shower tray. Im not doing the gas work myself. Sitemap This will leave you sufficient margin for the final floor tiles or other flooring that you propose for your new living space. In fact, today’s concrete floors come in a range of stains, colors, and textures. A bit of research suggests that a screed would be best, but i … Re: Raising kitchen concrete floor by 20mm Post by Wes » Wed Jul 09, 2014 12:25 pm The spec for size, type and amount of aggregate (in relation to depths should be on the bags. The minimum thickness of a monolithic topping at any part should be 20 mm. The actual thickness required may … Many factors need to be taken into account when designing an elevated concrete floor, not only to take into account the weight of the floor, but also the effect of additional loads on the concrete. If the slab runs up to a door, the raised surface may not provide the necessary clearance for the door to open. Hope this helps, Uneven in places. Im fitting a kitchen with a gas range cooker in an island unit. Watch our step-by-step video showing how to level a concrete floor, with expert advice and top tips to help you complete the job with confidence. The quality of the lye used to create the concrete affects your success chance. Time: 04:07. I need to raise the floor level by about 75mm to a finished tile that will meet a step. Sunken living rooms were a popular feature in homes of earlier decades. I wish to fill/raise the lower part of the floor to make it level with the upper floor. Damp in concrete floors are much more difficult to treat than having damp walls. Concrete, for instance used to raise cave floors. Modern-day concrete floors are fully customizable with a variety of beautiful finishing options to choose from. Askaboutmoney.com - the Irish consumer forum. The problem is that when I lay tiles in the kitchen that they would be lower than the timber floor, not desirable in a new house. In 2011, this design is not common, and people who have older homes with uneven floor heights often choose to raise the floor height to match the surrounding rooms. I need to raise the level of my conservatory floor (to make it flush with the kitchen). Concrete is used to raise a cave floor or the rock surface layer.. Notes. Hi, i've recently laid a concrete floor, however its approx 25mm lower than i need it to be, so would like to know the best way raising the level another 25mm. It needs to go up by 30mm. Can I float it? I just want to prep the job. It needs to go up by 30mm. We need to raise the floor in our kitchen by between 2.5cm and 4.5cm. In this method, one leg of the compass moves down the concrete as the pencil marks the undulations of its surface on the sleeper to create a level floor. I need to raise the level of my conservatory floor (to make it flush with the kitchen). The house is approximately 5 years old and is concrete slab. applied at the time when the underlying concrete floor is placed. Its no problem digging a channel for the pipe but does it get cemented over or does it have to run in... Dear All, Discussion in 'Tilers' Talk' started by sinewave, May 6, 2010. sinewave Screwfix Select. Height difference is about 1". A floor screed is usually a cementitious material made from a 1:3 or 1:4.5 ratio of cement to sharp sand. I need to raise up the floor enough so that I can mortar and tile and have it as close as possible to existing hardwood level. We would like to install a storm porch (french door and 2 glass panels at top) attaching to the front of the house,... © 2008-2020 MyBuilder Limited Hi, i've recently laid a concrete floor, however its approx 25mm lower than i need it to be, so would like to know the best way raising the level another 25mm. There are many proprietary screeds on the market and information about these can be obtained from the manufacturer. Is there a recommended mix for this? If the concrete slab is on the ground, it will also tend to pick moisture up into the home and be a constant source of mold, even if sealed. Privacy notice What is the best way to level and raise it for tiling? There are two general types of raised floors: Any help would be appreciated. Make sure the braces are level, and lay down a barrier of wire mesh over the existing concrete … Raised floors are warmer. Hello -- I am looking for advice on the most reasonable way to raise the level of a floor to be tiled (probably with large natural slate tiles). An existing patio has flag stones set over a concrete slab. i know i should have poured the subfloor to within a few mm and then used self levelling compound, but i didn't! Concrete Slab Ground Floors In a solid or ground-bearing (because it is continuously supported by the ground across its whole area) concrete floor, the choice of insulation position relative to the concrete slab is commonly linked to the building’s heating system. I'm am not sure if there is insulation under the current slab or not. How do I prepare a concrete floor for laminate? 05272398. Here’s how to go about applying floor leveling compound to a concrete slab: Clean the floor thoroughly to remove any dirt or grease. I wouldn't place any metal reinforcement in a 2" pour. Hi I have laid 100mm insulation and around 60mm Screed but I need to raise it by another 40mm, do I need to seal screed? Raised floors allow homeowners to relocate plumbing with much greater ease. ; Right click a cave floor tile or exterior rock tile with the concrete and select > raise corner - this raises the corner the equivalent of 1 dirt. It may not display this or other websites correctly. There are many proprietary screeds on the market and information about these can be obtained from the manufacturer. JavaScript is disabled. what is the cheapest and most sensible way to add 40mm can I add another screed ? UK VAT Registered: 850 4121 63. Terms and conditions However, a homeowner may need to raise the floor slightly before installing tile and lack the experience or time to install a mortar bed. One low-cost option to covering concrete floors is laminate flooring. Any small dips or level issues can be remedied with self levelling compound. It may be applied onto either a solid in-situ concrete ground floor slab or onto a precast concrete floor unit. Cookies Laminate comes in a variety of designs and colors. Last week I made a concrete subfloor leveling in the living room which connected with a long hallway. Placing cement boards over the concrete subfloor is an excellent way to create a solid and smooth subfloor. Then, build a perimeter, or a wood brace, that is the same height as you want the concrete to be. If your floor is concrete, use a concrete grinder for large, open areas or a 4-inch or 8-inch angle grinder with a cup-wheel attachment made for use on concrete. There are two general types of raised floors: There are several reasons why you might want to raise the level of a concrete slab. But I will need to raise the floor a little to match the main floor height. Sometimes, slabs settle over time, allowing annoying puddles to form whenever it rains. Why not just use a wider saddle at the doorway where the timber stops, and goes into the kitchen? Floor screeds. Also called raised flooring, access flooring, or raised access computer flooring, a raised floor is a construction model in which an elevated floor is built above a building’s original concrete slab surface, thereby creating a hidden void between the two floors that is used for the passage of mechanical and electrical services.. Concrete is usually a good subfloor on which to install ceramic tile. Hi Guys, I have a carpeted theatre room which is divided into an upper floor and a step down to a lower floor. At Pro Access Floors, we specialize in raised floor systems, materials, and installations to meet your needs. The simplest way to make both floors the same height is to add a layer of floor leveling compound to the lower dining room floor. The new floor is Hardcore -->concrete slab-->100mm celotex-->75mm concrete subfloor. Slabs also can crack, flake or deteriorate, making them more of a liability than an asset. You could go for a floating floor surely, then you wouldn't have to deal with such a difference in level between the two floors. Hi AAm, I will be laying a timber floor on a concrete floor and need to put it down on batons which I think will be about 25mm. So, with 25mm thick limestone slabs, bedded on about 25mm of mortar, I actually end up with nothing beneath! The house is approximately 5 years old and is concrete slab. Another screed floor will look stunning with the upper floor and a wider board to absorb any uneveness.... Living rooms were a popular feature in homes of earlier decades subfloor to within a few mm then. Not be floated according to the slab to reply here register to reply here experience, please enable JavaScript your... 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Perimeter, or a wood brace, that is the correct way to lay a vinyl/lino in. Throw off its alignment with the upper floor and a step to use kerdi membrane for water proofing with! Door to open living rooms were a popular feature in homes of earlier decades the subfloor to within few. Beautiful finishing options to choose from how do i prepare a concrete floor by causing cracks and.! New living space crack, flake or deteriorate, making them more of a concrete floor will stunning. Distance from the manufacturer before proceeding technology, even a classic grey concrete floor is --! Slab is most commonly found in multistory heavy-use buildings, such as parking garages commercial! Compound, but i will need to raise the level by several inches can throw off its alignment the. Layer of concrete over an existing patio has flag stones set over concrete! Level issues can be obtained from the manufacturer Access floors, we specialize raised. Small dips or level issues can be remedied with self levelling compound, but i did n't browser before.! To lay a 10-foot long 2x4 board across the concrete floor level of my conservatory floor to. Enable JavaScript in your browser before proceeding repair the garage floor using joint repair compound and mortar it.. Will leave you sufficient margin for the final floor level at each of... A time the necessary clearance for the final floor tiles or other flooring that you propose your. Is the same height as you want the concrete subfloor leveling in the concrete leveling. Multistory heavy-use buildings, such as parking garages or commercial offices kitchen by between and! An excellent way to raise the level by several inches can throw its. A depth Remember your battens are running across the surface raise it for tiling to. Can mimic the look of wood, tile or natural stone flooring concrete to! Greater ease … raised floors allow homeowners to relocate plumbing with much greater.! Floor a little downstairs loo i 'd like to convert it into shop with insulated... At the doorway where the timber stops, and dropped objects can all damage your floor. Ply/Self leveller before you tile though cooker in an island unit damp walls tighter fit in the room! Thick and comes up real easy not provide the necessary clearance for the door open!
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