When applied, Febtank Super forms crystals preventing water ingress and provides an extremely durable waterproof coating. Ideal for fixings in perforated brick, solid brick, concrete and aerated concrete. Do i use waterproofer in both the base render and top render? My plan was to prime the brick first with 3:1 unibond and then 1:1 unibond as i offer up the base render. Screwfix customers rate this product 4. . Let it dry for a couple days. Ensure wall is sound, clean and ready to receive HardieBacker®. Ready to Use. Screwfix Community Forum. For plinth probably be best to apply in 2 or 3 coats and pretty stong mix with waterproofer 3 sand 1 cement. One Coat Render can be used For interior and exterior use and has been formulated for single coat. Suitable for brush application only. After that, 2 topcoats of a good quality masonary paint, and job done. Applied waterproof PVA. Latest Offers At Screwfix. External wall is rendered. Quick-Dry Stabilising Solution. Can be applied onto a damp. too much suction 4:1 will do you. 4-1 first coat and 5-1 second coat 3-1 is to strong it will be to brittle and might crack. Scud the wall first with 1:1 sand/cement next day dampen down before rendering with the hose, thermalite are a pig to render unless you are quick. 90 Ex VAT. Less water in your mix, by making sure the plas does its intended job gives a lighter easier to spread render and will also float much earlier and will also rule off with ease which means it will hardly even need a float. Contains primer, coating and waterproof jointing tape. A couple of potential problems come to mind; concrete on a stud wall will almost certainly crack and fracture over time - I think. It is only about 2 months old is it possible I can have a a company in to lay k-rend straight onto the render?The plas will work its way into the mix and soften down the mix as it turns. Bostik 1kg Cementone Colours for Cement - Buff (47) £9. Ideal for emergency repairs, filling and patching. Render thickness seems to be between 5 and 10 mm. Seeking a bit of advice, been waiting for my plasterer to come and do my external rendering. Suitable for 2. 2/5. These so called hydrophobic coatings come in a range of different types, and offer all of the qualities that are needed to prevent the issues mentioned above. He uses plastering sand and cement mixed at a 3:1 ratio with waterproofer added, no lime or plastisiser. Been in exact same position 20 years ago, building control wasn't happy with the so called waterproof render on a small extension, I had to run a disc cutter along the line of the damp coarse and fill it with mastic. ie. If you wait then water will get in behind it and more and more will fall off. Then sharp sand fine, lime, cement in 6: 1: 1 ratio as top coat. 90m x 50mm. Adheres to damp masonry and is weather-resistant. For Interior & Exterior Use. . (£5. 5 kg. Sika 1 Waterproofer is an aqueous solution containing complex colloidal silicates. Float at 5:1:1 Builders sand : OPC : LIME with waterproofer in the water How does that sound? 2. Buy Additives & Plasticisers from Screwfix. Product code. Not available for delivery. You capture lots of potential issues in one go, including new ties and new DPC, and probably the opportunity for some insulation. Overcoat 48-72 hours after application with any. 4:1 with morticiser for scratch you can float next day with 5:1:1 sand, cement, lime + waterproofer in water butt. DIYDave22 New Member. Sealing porous areas and extending coverage with paint sealer will ensure a longer lasting coat. TDav Member. 1. But i have a job to do, and i am considerong using sbr bond on it first, as im always interested in new methods. Bonding is not a good idea on external walls, it attracts water to it. Its faced brickwork which has been painted, plan is to bead it, mesh it ist coat 4:1 with waterproofer 2nd coar 5:1 no waterproofer. Light grey colour when dry. View all: No Nonsense Water Seal. The Bonding coat should not be allowed to dry before application of the render or plaster. Use a coat of 2:1 sand cement with waterproofer followed by a 3:1 and then a 4:1 (all with w. Can be brushed or spray applied. £59. Click & Collect. PAGE 1 OF 2. Order Bostik SBR Admixture White 5Ltr at Screwfix. Suitable Application. Artifical Grass Adhesive 5kg. KIAB, Sep 18, 2015. 202 Integral Liquid Waterproofer is a liquid additive that provides long term water protection to mortar, concrete and rendering. Applying the board directly onto the membrane with thin adhesive and mushroom fixings. cautious New Member. Covers up to 4m². Not available for delivery. Order Sandtex Quick-Dry Stabilising Solution 5Ltr at Screwfix. 99 Inc Vat. 8/5. This time, its butting up against 12mm plasterboard (painted) which was dabbed directly to the brick (no render). Hello. Everbuild Solvented Grab Adhesive 350ml (6048H) (245) compare. Anyone able offer advice on what type of paper i need as I can only find something called tyvek and the images seem to be using it. Screwfix customers rate this product 4. High bond strength. PVC Construction. AC50 Trade Acoustic Adhesive & Sealant 900ml. A friend has given me some acrylic render (premixed tubs 25kg) which is a topcoat, and more than enough to do the job. For Interior & Exterior Use. Then enjoy! I’ve done an extension and due to the nature of the land, now the door of the extension will be about 50cm above the grass of the garden. com. 90min Approximate Setting Time. Choose from rapid or fast set cement for small commercial or domestic jobs. Im asking for some advice on the best way to repair this. Sets in 20 minutes. Stores are open 7 days a week. Search titles only By: Search Advanced search…Eco Prim Grip Plus 5kg. View all: Bostik Cement Mix. Goddo New Member. Most if not all are painted with mansonry paint, (Specialist applications excepted, eg. I am also used 3:1 evermix plasticizer / waterproofer / retardant in the mix towards a strong ratio. With 10mm for the scratch coat and 8mm for the top coat. chillimonster Screwfix Select. 35°C. The the final coat - 5 sand 1 cement NO WATERPROOFER just feb. Designed for use in fully. There is a white crystal deposit under left on the exposed render. 1. In the presence of water these swell and block the capillaries and pores in the applied sand / cement renders, screeds and mortar to provide an effective barrier against the transmission of liquid water with a proven track record for over 100 years. Mastercrete has improved resistance to the cracks caused by freeze/thaw attack when compared to traditional cement. 4 use mechanical fixings to fix this system to the wall. 4m²/Ltr. i have a freshly scoured brick wall, having recently removed half an inch. com. 40. Water & Weather-Resistant. View all:. Is there anything I can do now. Suitable for the damp proofing of interior masonry wall surfaces. K Rend). Given the time since it being applied does this need to have stabilising and/or waterproofing coat before painting?Yes to a mist coat - I generally thin by about 30 - 40%. Click & Collect. Buy Jointing Tape at Screwfix. Fast-Drying. Dow 791 Weatherproof Silicone Sealant Anthracite 310ml (44836) (42) compare. Is Artex Render Waterproof? Discussion in 'Builders' Talk' started by DIYDave22, Nov 8, 2023 at 5:34 PM. High Bond Strength. Wall fillers and flexible fillers create a clean smooth and professional finish. I have been quoted between £600-£800 to re render the shed (just got the one quote so far so I have no idea if I can get this done cheaper)Installation on brick walls. Internal Skimming of conservatory walls. Extremely durable and will adhere to any substrate for filling and repairs with no depth limit. Softwashing is the best way of cleaning your render. Ready to Use. horses for courses, take your pick!! good luck. Good luck. This process is best carried out using a pumping system and water fed pole with a brush attachment. The shed is 5m x 2m high & has 2 end walls about a metre wide. After starting he informed me that. Can anyone give me advice on rendering over Medium Density Blocks for an external garage. 5mm plasterboard to the wall, and then skim. #10. 3-layer spun-bonded waterproof membrane with excellent tensile and tear strength. This can take from between 24 hours up to two days, depending on humidity, temperature, and airflow around the building. Product Type. PVA sealer is an extremely versatile, odourless, waterproof and non-toxic adhesive that is suitable for a multitude of tasks and requirements. DIY_Has123, Feb 3, 2021. 1. Hello. The render goes right down to the ground outside. But I'll have a go. Hundreds of stores Nationwide. Items are easy to install and use while. Delivered by our approved supplier, Find out. B&L, Choose one or the other. 88 Inc VAT-+ Add to Basket. This Everbuild 402 Water Seal is a sealant that stops water wear on brickwork, stone masonry, concrete, pebbledash and other exterior walls. Pieces in Pack/Case. Don't use sharp, builders merchants do plastering sand just tell them thats what you need. 100% Polyethylene Construction. Once dry then add a cup full per mix of neat sealer in the water. Scrape off as much as you can and let it dry-out naturally, which could take a long time, before attempting to redecorate. Hazardous Product – Not available for Mail Order/ TCND outside of Mainland UK. Time is of the essence as access is via scaffold in my neighbor's yard and they want it gone. 99 Inc Vat. I'd get rid of the rusted steel regardless of what you do (unless you tile) as it will bleed through render etc BMC2000 , Oct 10, 2017Hah. Waterproofs Plaster, Plasterboard,. there is a waterproof pva available which some say would work ok, but the consensus here is that either sbr or a sand/cement. Can anyone tell me which is the best silicon based waterproofer they have used for waterproofing an exterior stone wall. (42 products) Gloss paints are used to provide a high shine finish to interior or exterior surfaces. Ideal for Use in Basements/Cellars but may also be Used as an External Coating for Concrete, Brick, Block & Bonded Renders. com. I want a rustic finish which is why I'm not going for tiles, and ideally would like something like lime render but would like to know if their are any waterproof plasters / cement or whether you can use what you like but simply give it 2/3 coats of a suitable varnish. Buy. If it's a cavity, before you go down the render route, go find a builder and ask him how much to rebuild the outer skin of the end gable wall. Volume. p) may be an overkill but this is how <u>PROPER</u> tanking should be done and hey better overkill now than taking it. com. I'm putting a corner shower into the bottom floor (concrete pad) of my house. £12. Provides superb weather protection for bricks, mortar and concrete. Product information. 25 Inc Vat. Buy Multi Purpose Fillers from Screwfix. Float at 5:1:1 Builders sand : OPC : LIME with waterproofer in the water How does that sound? 2. Will fill without depth limit and repair without formwork. Now I am intending to use cement, sika waterproofer and sharp sand and render this wall. 8/5. very big difference. Best chech out the additive that has been used with the manufacturer. FREE next day delivery available, free collection in 1 minute. Just soak the walls with a hose pipe scratch with a mix of 4:1 plastering sand : opc and float with 5:1:1 plastering sand : opc : lime, with waterproofer dosed in your butt. Seeking a bit of advice, been waiting for my plasterer to come and do my external rendering. Fillers and Putty are used to fill or seal holes, cracks, or gaps prior to further decorating. In December I had a 2 foot earth retaining wall built in my garden to separate the garden from the patio. Render - smooth finish. £3. 30 day money back guarantee. Delivery. com. 25 Year Waterproofing from a Single Coat . Discussion in 'Painters' Talk' started by Joelfc89uk, May 24, 2018. That will last. £9. Brick waterproofer to help prevent damp on bricks & masonry. Order Bostik SBR Admixture White 5Ltr at Screwfix. Wait a few minutes, feel the pva. If you are going ot paint it, use a. KA Tanking Slurry is the complete crystalline solution to waterproofing masonry and blockwork. Find directions and contact info, read reviews and browse photos on their 411 business listing. Order online at Screwfix. this mock tudor job i am doing has part of the render overlapping the lead flashing along the biottom. , Apr 8, 2005 #2. Can be used to seal joints between tiles, stone and brick slips and pointing around lead flashing. Crack & Frost-Resistant. Login to save for later. Click & Collect. slapiton New Member. Buy Cable Sleeving at Screwfix. Ideal for internal and external use as a waterproof render, it is suitable for use on walls prior to plastering and on floors prior to self-levelling. This is your 'drip-tray' separating the above and below dpc areas. It’s in such bad shape that you can push your finger quite easily into it and it comes away like wet sand. Change the physical properties of building chemicals to suit the job. i dont really want to strip it all off and start again as im sure there is something i can do with it and with a bit of luck the answer will be in hear with all the tradesmen. Easily secure a wide range of applications in place. G4 Pond Sealer is a moisture cured polyurethane which forms a non-porous seal on concrete rendered ponds, G4 pond sealer uses the moisture in the air and the render to harden, G4 pond sealer can be applied to slightly damp surfaces, but it is important that the render is sufficiently dry to be porous so as to enable the first coat of G4 pond sealer to bond and obtain a. 99. I have a small area (2. 5mm thick maybe more on old uneven walls it has a waterproof addative in the mix. Thanks. 99 Inc Vat. £ 52. The wall has been constructed out of 7n concrete breeze blocks and before i backfill i need to waterproof, it needs to be plant friendly. Low Odour. PVA Sealers. Contains enough to waterproof a standard sized shower. Order online at Screwfix. £32. I intend to apply sandtex stabilising solution and then sandtex fine texture paint which say's it has a breathable waterproofer in it. In fact, cracks are still appearing now, nearly a year on. Contains 1,2-benzisothiazol-3 (2H)-one and reaction mass of 5-chloro-2-methyl-2Hisothiazol-3-one and 2-methyl-2H-isothiazol-3-one (3:1). Not if you’re using lime, paint a waterproofer on after Watch the weather, spray bottle at the ready keep it damp, and don’t curse when the scratch coat cracks Abrickie , May 21, 2020Plumbcrazy New Member. Sets in 20 minutes. Product Type. G4 Pond Sealer Clear. Finishes are subject to high or low maintenance all of which are discussed at time of consultation. gauge everything put the water in the mixer then add the lime to the water ,once the sand and cement is added let it MIX!don't take it out because it looks ok,let it mix dont start rendering until the second mix is ready. com. Order Fabsil Universal Protector Water-Repellent Spray 400ml at Screwfix. Odourless & Solvent-Free. Is vital that the waterproofer is added in the correct amounts according the the manufactures instructions. Buy Resins at Screwfix. thanks, I keep reading that you shouldn't use cement render when a wall is built with lime or cob but because it will not breath but it has already been hard rendered on the outside so therefore it is already. I know I need to attach mesh to the surface, but a friend has told. I would get your render on soon so the block work can dry out. But overmix using Fairey and the mix becomes a foamy mass of bubbles with very limited final strength. Any recommendations based on the wall being made from dense blocks?If you were re-rendering the house you wouldnt put a waterproofer on first. High performance waterproof treatment for exterior porous surfaces. 1. Order online at Screwfix. Ask a question. If you are in a bit of a wild area, then consider epoxy - two-pack - masonry paint. ** Edit ** just ordered the Screwfix stuff as the reviews looked really good and now I've got the say-so from Vinn that it'll work then that'll do for me!Order online at Screwfix. On dense, less absorbent brickwork or render, coverage of the brick waterproofer can be increased by up to 10m² per litre. 99Inc Vat. Done a good job apart from i didn't put waterproofer in. Easy to shape and can be used on a variety of rough masonry surfaces including cement, concrete, breeze blocks, bricks and stones. Coverage: Approximately, 1 litre of SBR per sq metre at. Read more. A. poolthetool is spot on. I have waterproofer and unibond. Quantity: FREE Click & Collect within 30 minutes. Cut back on the admix a little, mix it up stiffish then allow the drum turn for five minutes and let the admix do its stuff, the mix will reach a nice wet consistancy after a few minutes. The process involves using a detergent to chemically clean the render using next to no pressure at all. IKOpro Synthaprufe Trade is easy to apply and provides damp proofing for concrete floors, foundations and masonry walls below, at or above ground level. Buy Fixings & Fastenings at Screwfix. Discussion in 'Builders' Talk' started by Bungditin. £21. Login to save for later. com. rogerk101 Screwfix Select. 3/when dry, three coats bitumen. Render should be fully dry after a few months,doubt they added a water proofer to render, then it will soak up then rain,& then need to dry again, endless cycle. Click & Collect. do i need to apply a thick scratch coat beforehand?? I was thinking of just applying a thin waterproofing mortar just to smooth pores in the block, joints etx, and apply this acryllic on top of. 54 Inc VAT. qwas123 Screwfix Select. The aesthetics don't concern me too much as when the border is planted again, not much of the wall is going to be seen, so I'm not particularly worried about colour matching the. I have followed the general advice given, 4 : 1 sharp sand / cement with the recommended amount of combined water-proofer / placterciser for good measure for the scratch coat. Click & Collect. • Prevents water penetration in a single coat • Improves resistance to dirt, oil and stains• Seals and stabilises non- structural concrete• Sealer for internal concrete floorBostik Concrete Sealer is a quick drying, low VOC water based sealer that seals and. 93. Fill in gaps. Home Forums > Screwfix Community Forum > Builders' Talk > Help with Rendering please Discussion in ' Builders' Talk ' started by mikethesmoke , Apr 26, 2009 . The old injection attempt has not worked, and neither has the inside attempt to render to 1m ht. Thermalite hedge their bets somewhat on their finishes section. Page 1 of 2 1 2 Next > Thread Replastering around doorframe with very uneven brick walls. Delivery Out of stock for delivery. Can I tile onto render that has been made up with plastering sand and Sika1 waterproofer or should I plaster then tile? It is a process that helps make an object or structure waterproof or water-resistant, meaning it remains relatively unaffected by water. 3) Use an additive in a render mix, like SBR to act as a total waterproofer for walls and ceiling, then lay the concrete floor as above. Suitable for interior and exterior use. 3N dense concrete blocks. Water & Weather-Resistant. General Purpose Mortar. This is your 'drip-tray' separating the above and below dpc areas. Screwfix Community Forum. Home Forums > Screwfix Community Forum > Other Trades Talk > waterproofing internal rendering Discussion in ' Other Trades Talk ' started by woodburner , May 16, 2006 . By doing it this way you have. Overcoat 48-72 hours after application with any standard water-based masonry paint or mineral. Been a plasterer /damproofer for 28 years and yes you can use SBR and Paint over it but will need to give a sand or LIGHT. In 20 years of building and renovating, it has never been mentioned in our business. The rest of the garage walls are rendered and painted and I would like to know if I can render over the blocks. Read more. DIY_Has123 Active Member. UK call centre ready for your call 24/7. Completed an extension last summer and the exterior walls were cement rendered the usual way with waterproofer etc. Thread by: Crooky, Jul 4, 2021, 2 replies, in forum: Builders' Talk. Extremely durable and will adhere to any substrate for filling and repairs with no depth limit. Use a waterproofer additive. com. View all: Thompsons Water Seal. 8/5. you will then have a render. normal bricks and most blocks, calls for a 1:1:6 mix for the scratch coat; cement, lime and sharp sand (3mm to fines). Provides superb weather protection for bricks, mortar and concrete. 1/ clean all walls of loose material. Coverage per Litre: 6m²/Ltr. I intend on having the front of the wall rendered so it is important that it is sealed correctly. shazauk New Member. Order Sandtex Quick-Dry Stabilising Solution 5Ltr at Screwfix. 1 remove lose stuff. ex. ST100 104Ltr Spill Tray 795mm x 1195mm x 185mm (769HJ) compare. ex. Primer Not Required. Inc. Primer Not Required. The old injection attempt has not worked, and neither has the inside attempt to render to 1m ht. £7. Paint it on and when its dry, do it again, as the wall has sucked all the moisture from the render that you had put on earlier and that is why it's 'crumbly'. Forms a transparent, waterproof barrier. Can anyone suggest a good product to prevent/reduce water penetration that can be applied over the existing render, preferably by the builder who did the first render as obviously he wants a satisfied customer. shazauk New Member. The formula is solvent-free, making it more environmentally friendly by reducing pollution. Screwfix Community Forum. Effective sealer for waterproofing damp walls. 2 coats. 99. • High water and rain resistance • Water reducing • Provides long term water protection• Chloride free New Sika sku available (code 98821)Long term water protection to mortar, concrete and rendering. Thistle One Coat Plaster 7. Cold & Heat-Resistant. If you use an oil based paint, thin it 50/50 and use that as a cover coat. Protecting from rain, frost, ice and snow, this product is ideal for providing extra protection to your home's exterior. Need some professional advice on waterproofing my 3ft garden flowerbed retaining wall. We're getting a lot of confusing/conflicting information regarding painting it: How soon can it be painted (weather permitting of course, it's in Brecon) Sandtex tell me their products aren't compatible with PVA, therefore not to use it. There are only three walls as it backs on to to a neighbours shed. If you are going ot paint it, use a Stabiliser solution first to prime the render then apply two coats of a good masonary paint and you shouldn't have any problems. Primer Paints. Hi, My extension was built and rendered using a sand/cement render around 4 years ago. Mixing: Add the SBR undiluted to the mix and then adjust the consistency with clean water. sharp is for screeding. DIYDave22 New Member. Domestic & commercial use. Thompson's Water Seal uses a unique micro silicone emulsion to stop water penetration. Find your nearest Screwfix store and up to date opening times. Ideal for Use in Basements/Cellars but may also be Used as an External Coating for Concrete, Brick, Block & Bonded Renders. Use a mixer and measure quatities using a bucket for consistency. put your water in the mixer and then add a shovel of lime ,let it mix up for a minute and add 6 shovels of sand, half a bag of extra special cement and another 6 shovels of sand. My sister had her coal cellar done last year, and the guy used Sika 1, then rendered and plastered over it. Finish second coat with sponge or wooden float.