Product Type. Our builder thinks this is excessive saying you can't use the same formula for screed as for. Save £50 and spend a bit longer floating the screed and playing about with it. The usual (correct) way to do it is to cast the 200mm slab, then put on at least 100mm (preferably more) of insulation and then the UFH pipes set in 70mm screed. £ 14. 1200 dpm. Click & Collect. Buy Cement Mix at Screwfix. +For under screed applications the stone wool resilient insulation layer can vary from 25 – 50mm depending on the slab, screed and load imposed on the floor. Tiling over floor tiles? FUNDIMOLD, Nov 22, 2023 at 6:46 AM. Container: Jerry Can. Self levelling compound is often known as floor screed or floor levelling compound and is essential for creating an even floor surface in preparation for upper flooring layers. And seamless terrazzo flooring is another suitable product. Screwfix Community Forum. Latex Floor Screed Thickness. Ideal for renovations and extensions, it can be used as a replacement. The floors in the old small rooms were all different levels after. Consistent and durable results. Contains enough to waterproof a standard sized shower. Same as self leveller over flooring ply, 1 coat SBR 1-4, pour away, happy days. It’s great for waterproofing outside areas that are liable to be damp, humid or continuously exposed to water or steam. 52. . Not available for delivery. If so, I think this may impede proper adhesion of Marmox (using usual tile adhesive) and I. 99 Inc Vat. When we have been getting quotes for the screed floor it is in excess of 2k. View all: Diall Building Tape. 99 Inc Vat. No Nonsense Cement-Based Levelling Screed 20kg. The reason the screed cracked was because of the difference in expansion coefficients of the screed and the steel. Screwfix Community Forum. com. Sometime back in the late 70s, the concrete floor in my flat was channeled out for central heating pipes. Ask a question. Conventional sand/cement screed. Simple and cost effective, it can be laid underneath various floor types and is ideal for smaller spaces. Can be used with underfloor heating systems. 75mm over ufh pipes which are laid on floor crates. Bridges cracks and alleviates stress; Functions as waterproofing in indoor applications; Highly resistant to mechanical loadingProduct Details. As to joining - take bricks down to the bottom of the insulation later and run your insulation (which I presume is celotex type) into the opening, screed over insulation level. Repair Mortars. I just lay some 2x1 batten on floor & screw some sheet material like ply, chipboard to it. 25 m. Galvanised Steel. Liquid screed,self leveling screed or its correct name of anhydrite screed is almost always treated with kid gloves but this needn't be the case. (Will be adding plenty to the walls and roof to make up for it) I was planning on a “floating” floor with DPM then PIR then chipboard as this is a nice easy DIY and cost effective. Talon Snappit Radiator Tail Pipe Cover Chrome-Effect 18mm x 200mm 2 Pack (280RJ) compare. Insulation is of course advisable and the most suitable seems to be Marmox 10mm (firm and not too thick, no screed needed). Lee Allen New Member. Click & Collect. Buy Tools at Screwfix. Abrickie said: ↑. FREE next day delivery available, free collection in 1 minute. Reduce cracking and shrinking when mortaring with this SBR bonding agent from Everbuild. There are two distinct ranges to suit the requirements of the job, with no compromise on quality, only the application method. Buy Self-Levelling Compound at Screwfix. 5. Setcrete Deep Base Floor Levelling Compound - 20kg. Use our A-Z Screwfix store finder. I was going to purchase the mapei ultraplan renovation screed 3440, I understand that I may need to prime the floor beforehand. Long Lasting Smooth & Durable Finish. Inc. 2: Floor Screed Construction. It should be waterproof to prevent any rising damp getting through. 5 Ltr. Detects Ferrous Metals, Non-Ferrous Metals, Wood, Live Wire & Filled Plastic Pipe. Need help? Trouble logging in? Concerns with your order? Please visit our FAQ’s page where you will find lots of self-help guides that may answer your question. Ideal Throughout the Home. It will be left uncovered for some time because other work needs to be completed before the laminate can be laid. 50mm minimum on a screed that will last. Sika Accelerator is a cold weather and rapid hardening admixture for mortars, screeds and renders. Most likely need to lay timber guide rails tapered from 75mm down to a few mm's, once screed has dried, these can be removed & channels filled in with screed. Apply up to a bed depth of 50mm (3-50mm in one application). There are diagrams that show this. Sometime back in the late 70s, the concrete floor in my flat was channeled out for central heating pipes. Click & Collect. Jord86 Screwfix Select. 99Inc Vat. Asphalt paving section detail - Floor screeds even on a concrete slab are laid each time a developer has finished the slab concrete. Cement screeds. To me it sounds more likely that movement is occurring under the 20mm leveling. 9m x 6m (76864) (49) compare. Coverage: at 3mm Thick 4. Material. Epicon Fast Set Mortar a fast-setting high strength resin mortar suitable for surface repairs in concrete in heavy duty environments. 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. Interior. Coloumb Screwfix Select. What are the Different Types of Floor Screeds. Suitable in All Areas where Resistance is Necessary. They enable the application of an even coat over large areas with ease, and more quickly than using a brush. Do I need to wait for the screed (between 60 and 75mm) or can I build the stud wall and screed up to it? I assume I can fix it to the concrete with screws to prevent it moving about (concrete floor is 100mm thick)Steel Bar With Fixed Anvil Tapping Block. 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. trustmark New Member. Self levelling compound is often known as floor screed or floor levelling compound and is essential for creating an even floor surface in preparation for upper flooring layers. first of all check your existing floor is perfectly level, if not then forget the freeflowing screed as it will not level up with the existing floor. 3-40mm in a Single Application. Bosch D-tect 200 C Detector (131JM) compare. Apollo 13 x 25mm Galvanised Welded Mesh 0. This required creating a key in the self-leveling compound with a light sanding, careful dust clean up, and then covering the floor with the epoxy layer. jonathanc Guest. Suitable for use with warm water underfloor heating systems. Rawlplug BZP Steel Threaded Rods M10 x 1000mm 5 Pack (674JF) compare. Provides a degree of frost resistance and long-term resistance to freeze-thaw cycles. They typically consist of two parts; a frame and cover which are joined together and. €25. This results in increased durability and a reduction in laitance layers. 3. thats a good tip, thanks Ghost!Projects a sharp, clean laser along a floor surface at a 90° angle, up to 15m. Meters of various types are used to measure the possible environmental impact of work being carried out. Mr. Wolff 13397 Smoothing Compound Rake Blade R1 56cm. 88 per sheet (Inc. A ordinary screed is not a final wearing surface, it's designed to have a finished surface like laminate, carpet,etc. Bostik Concrete Sealer is a quick drying, low VOC water based sealer that seals and stabilises surfaces. Many can be used over a variety of existing uneven substrates, using gravity to allow the latex mixture to self-level. com. Material. 500 mm. Cement based coating for preventing water and damp penetration in walls and floors. Can. 99 Inc Vat. Can be used internally on various substrates to either level or raise the height of an existing floor. 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. 5 kg bag will produce 1. True feather edge allows for greater coverage. Click & Collect. either way, as the other posts say, you would be better screeding which will also take out any irregularities in the concrete. Lay the chipboard onto a screed base rather than bearers. Ne. 45 Inc Vat. Self-levelling smoothing compound, designed for smoothing and levelling internal floors. Walkable in 4-6 hours. Someone suggested a T&G glued ply floating floor over Kingspan/Cellotex insulation. The advice of a structural engineer should be sought for any exceptional point loads in the design of the floor. Get 10% off -. Don't use PVA on that floor. Water-Resistant. FREE next day delivery. Fill dips or recesses. Simply add water and mix. All plasterers hate them but do them. The only advantage you will have is that you pour the screed, float it, walk away with a perfect slope. Mapei Ultraplan Renovation Screed. com. £49. Air entraining plasticiser that improves workability of brick and plastering mortars as well as preventing shrinkage, cracking and crazing during the setting process. Hi, just had a new LVT floor put down. Delivery. £13. I believe there are traces of old black bitumen-type adhesive on floor where old floor tiles were stuck down. Self levelling compound is often known as floor screed or floor levelling compound and is essential for creating an even floor surface in preparation for upper flooring layers. The epoxy paint suggested two layers, and for best results we needed to sand and carefully clean. £21. On cementitious renders prior to smoothing with gypsum-based products. wont interfere with the glass (more luck than judgement). Suitable for ceramic, porcelain and non-moisture sensitive natural stone tiles. Mix 1 part water to 1 part Prime & Bind. For interior and exterior floor and wall installations. rogerk101, Jul 3, 2018. Buy M10 Threaded Rod at Screwfix. Order online at Screwfix. California Curb Cut 3667 Esperanza Dr Chino, CA 91710 (909) 222-7389. Buy Detectors at Screwfix. Coverage: 4m² Coat Depth: 50mm Dries in 4 Hours For Interior & Exterior Use Suitable For Heated Floors The screed will need to be 75mm. Can be used to prepare cement based surfaces prior to smoothing with self-levelling or smoothing compounds. stick tiles directly using a solid bed of adhesive. For use on new or existing concrete,. Click & Collect. 2 Year Manufacturer's Guarantee (T&Cs Apply) Bulk Save - View Offer. Water-Based Adhesive. Edge Insulation Roll. Attached Files: DIYDave. 2000W. Option 2 is to lay insulation slabs on the sloping (!) floor, then screed with embedded UFH pipes (the more standard way of doing UFH as I understand and the screed should be 60mm at least I believe), then adhesive. Temperature Range: -40-510°C. Does anyone have any advise on how to create a strong floor screed mixture? I need to apply screed over 100mm Jablite 70 floor insulation. 2m². The installation of fittings in screed should be avoided. Finished my selfbuild 3 years ago,underfloor heating groundfloor and firstfloor bathrooms,house size 20 mtrs x 9 mtrs ground floor area. 5mm. £33. 2m². The tar and screeds installation method is very unique, and regional in where it is. If I go with option 1 the floor screed is only separated from the outside wall by a small. Puncture-Resistant. Product width. You need insulation underneath your underfloor heating. Coverage: Approx 6 m at 3 mm thickness. 98 Inc Vat. (I should say "we" got, because my partner did as much as me. com. 00am just after the ready mixed screed was delivered and they had finished and. squeeze some slightly damp mix in hand and if it stays together thats the right mix and tipped onto the floor, using battens at certain locations depending on the room and drawing a length of straight timber towards yourself to level out the screed. 520mm. Sikafloor Level 30. gav22, Feb 5, 2010. For Indoor Use. 98 Inc Vat. This is for a garage conversion that will not be heated. Makita GA9020S/2 2000W 9" Electric Angle Grinder 240V (641PV) (4) compare. Hire a floor scabbler to grind the screed down. Not available for delivery. For use on concrete, screeds, flooring grade asphalt, terrazzo, existing quarry and vinyl tiles. Can be used. Floor levelling compound is essential for creating a perfectly even surface for your tiles. com. 90min Approximate Setting Time. 5Ltr (7665F) (64) compare. Talon 10/12mm Nail-In Clips 100 Pack (25877) (75) compare. Product Type. Product Thickness. Shop cavity wall, roof and floor insulation boards from trusted brands like Celotex, Kingspan, Ecotherm and more. 99 Inc Vat. Primers are used for pre-treating floors and are often applied prior to leveling materials or floor adhesives, to create a base and assure good bonding of upper floor layers. Underlay is an essential step for ensuring your flooring is laid correctly. 5kg & 10kg pouches. Can be used with underfloor heating systems. I will be screeding onto a concrete pad (new extension, 75mm) and screeded floor (old extension,25-0mm). Semi-flexible plastic blade for flattening, finishing and ruling off. £5. To improve bond between old and new can use SBR diluted with water 1-4 mix to brush over all surfaces before adding mortar. KIAB Super Member. 20kg. Delivery. 19 Gauge. Click and collect in. 4Ltr. #6. No Nonsense Floor-Levelling Compound 20kg (453HU) (14) compare. Conduit pipe is supplied with an outside diameter of 24mm for use with 15mm pipe and an outside diameter of 30mm for use with 22mm pipe. 5014555011447. #10. Best trade for floor screed. 7. Apply the PVA sealer to the concrete floor. I'm thinking of disc cutting 40mm deep slots, say 50mm apart over the whole floor then chiselling out after. Click & Collect in as little as a minute. Free next day delivery available. Wide range of fencing, decking and decorative features. The base was about 150mm thick concrete. Ideal for creating a smooth finish in preparation to receive floor coverings. Many can be used over a variety of existing uneven substrates, using gravity to allow the latex mixture to self-level. Delivery. DIY floor screed. Electric Underfloor Heating. Floor levelling compound is also known as self-levelling compound. Finished my selfbuild 3 years ago,underfloor heating groundfloor and firstfloor bathrooms,house size 20 mtrs x 9 mtrs ground floor area. Flexible Tile Adhesive - 6mm (using 12mm notched trowel) Tile - 9mm. Heat Screwfix Select. Whilst this is tempting to make it easier to give a good finish, it can produce the cracks you mention. Tiling Trowels & Spreaders. com. The rest of the floor is properly adhered and intact. Delivered by our approved supplier, Find out more. Schluter DITRA Matting can be used for both floor and wall applications on a wide range of surfaces including timber, concrete, mortar screeds, gypsum-based screeds, heated screeds and mixed substrates. Wide range of uses from roofing to joining plasterboards. Can be used on concrete, screeds and stone floors. I’ve seen this in my grandfathers house, the pipes needed all relaying. Help with self levelling compound (screed over tile jokes opportunity, come in here!) r/DIYUK. 98 Inc Vat. If i put down engineered wood on my old floor i'd live with it of course i would. There is a 20mm polystyrene insulation strip around the external perimeter. For concrete thicker than 6 cm, allow 4 weeks drying time per additional cm. com. Order online at Screwfix. Nevert. The Screwfix Community Forum strives to be a friendly and supportive place, where you can share your expertise, ask others for theirs, and enjoy ‘socialising’ online with people who share a common interest. Click & Collect. 45 pm. Fibreglass 1. FREE next day delivery available, free collection in 1 minute. I was going to put down a traditional insulated screed floor in but was a bit put off by the drying time before laying floor covering, (estimated at around three months, give or take, based on 85mm screed at 1mm per day). Trim-A-Slab 40 Magic Crack Bucket 8019 The Home Depot. FREE next day delivery available, free collection in 1 minute. This offers long-lasting protection and makes it a popular choice for many. How about looking a resin stone bonding, that goes on quite thin 10mm or so. 99 Inc Vat. OX Pro Stainless Steel Plastering Trowel 14" x 5" (166PK) compare. Mapei were founded in Milan and have multiple manufacturing sites worldwide, with over 100 products produced in the UK. I am digging out the old cement floor which is uneven and sloping and replacing it with either a new level concrete floor with timber frame on top with celotex around 90-100mm thick then 22mm chipboard or going to run a two brick high course around the edge of the room (50mm cavity gap) then same depth. Fibre-reinforced, self-smoothing floor underlayment. Waterproof. #3. Laitence normally refers to the very top later of concrete which will typically have excess cement and fine in it from the action of floating off the surface often exacerbated by bleeding of too wet concrete. F king hate doing floor screeds, not a diy job at all. Mapei Ultimate is way cheaper, not flexible but fine over a slab but, max 10mm pour in 1 hit. screed. The floor in the existing extension is 150mm concrete on 100mm Expanded Polystyrene on polythene on compacted sand/hardcore. Simply add water and mix. Floor screed is applied as a mixture, pumped or trowelled into place to level uneven flooring, provide a subbase, or act as a finished. 8m². ARDEX Cement-Based Repair Mortars are essential products for the professional tradesman, allowing the rapid repair of levelling and smoothing compounds, screeds, concrete and renders. bilco New Member. . Pieces in Pack/Case. 1. Walkable in 3 Hours. Do I need to wait for the screed (between 60 and 75mm) or can I build the stud wall and screed up to it? I assume I can fix it to the concrete with screws to prevent it moving about (concrete floor is 100mm thick) I'm looking to reduce the depth of our kitchen floor screed to allow underfloor heating pipes to be installed. Suitable Application. Then thought about insulated screed. I've put down a grano screed in the kitchen, made up 4:2:1 ratio, but i only put in a very small amount of water, basically 8 bags of grano, 4 sharp sand, 2 cement and about half a bucket of water - the mix is really dry, and seems quite crumbly (its now 12 hours since it was laid). com. Cold & Heat-Resistant. Then sand/cement screed. The base was about 150mm thick concrete. Hi,can anybody help, I’m trying to work out how many tons of sand and bags of cement I need to screed 85m2 at 60mm thick?Screwfix Community Forum. £27. Click & Collect. Ultraplan Renovation Screed 3240 is suitable where good resistance to loads is required, also for castor wheel traffic and underfloor and undertile heating systems. Damp proofing is an essential aspect of most building and construction projects, designed to prevent the ingress of moisture into interior spaces. Can be used with all universal decorating poles (sold separately SKU 607340) Each spike is 20mm long. Ideal for Use in Basements/Cellars but may also be Used. VAT. Expansion cracking and delamination of floor coverings. Can. Underlay Flooring. Bulk Save - View Offer. Proposed floor in the new extension is 50mm screed on 125mm kingspan on 150mm concrete on compacted sand/hardcore with. How to make concrete wall texture - Floor screeds even on a concrete slab are laid each time a developer has finished the slab concrete. Provides frost protection in the wet mortar during the setting period even in sub-zero temperatures, as well as allowing faster finishing times in the cold weather. 5mm = 2. Whether you need lino underlay, wood floor underlay, or laminate underlay, you’ll find everything you need to install high-quality flooring here at Toolstation. If oversite not good enough then I would go: Crush to level/25sand blinding/DPM/75 Kingspan/DPM/100 ST2 concrete/50 sand cement screed. Is the area where its moved, a join between old and more recent. For Interior & Exterior Use. Can be used on concrete, screeds and stone floors. FREE next day delivery available, free collection in 1 minute. As I did this when renovating my son's house. Used to smooth and level floors in preparation for laying a wide range of floor coverings on top which is important as this base layer will effect the overall finish you get from the project. We have a 80 square meters floor in a new build. Click & Collect. 08. ARDEX K 301 is ideal for resurfacing exterior concrete areas including driveways, garage floors, walkways, paths, patios and other concrete wearing surfaces exposed to normal foot and rubber wheeled traffic. Mould-Resistant. Unfortunately a pre-mixed sand and cement screed isn't an option due to the site's accessibility. 6m² at 3mm thick. Unger Resin 2Ltr (171HY) compare. #9. Delivery. The finished product will give a contemporary designer style. Cement-based, rapid-setting flexible adhesive. Offshore Active Member. Do I need to PVA the floor first? Is this worth while doing or do I just crack on with the screeding? Thanks Kerry5455, Aug 1, 2018 #1. Installed at the juncture of the sill and. Floating and heated screeds have a particular tendency to buckle and crack even later, e. Screwfix - Fibre-reinforced self-levelling compound. 2. the DPM and new floor can then go on top of this. Resources. screed first, dryline second thus keeping boards off the floor so moisture doesn't rise up the board. Please note this product is NOT heat resistant. Quick and clean, whether laying floor tiles, parquet, laminate, carpeting or PVC. They are used to spread "thinset" of the adhesive or.