Will this be enough. the case is, it is a kitchen area, i have plastered 4 walls, 3 dried completely. I'm painting a house at the moment and the customer wants a more long term solution so I'm cutting away 4" of render either side of the corner. Screwfix Community Forum. Tarmac Once Coat Render is a pre blended render, just add water to apply. 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'. High performance waterproof treatment for exterior porous surfaces. Remove as much dust as you can and apply a decent coat , you may want to apply a second , then throw sand over the area of bitumen this will help key the render , the next day apply a scratch coat over area and leave until dry , apply top coat of render and set to finish. #9. the rendering is the easy bit. The render around the mock Tudor beams on the outside of a property I am looking at is cracked. Seeking a bit of advice, been waiting for my plasterer to come and do my external rendering. Don't try and apply render in one coat it will only sag and probably fall off wall. 202 Integral Liquid Waterproofer is a liquid additive that provides long term water protection to mortar, concrete and rendering. 1. drill driver New Member. render on lead. Effective sealer for waterproofing damp walls. Victor Lek Member. We were looking at using a product like K-rend up to the coping stones. 'A' way to do it is this. Use it after clearing. When applied, Febtank Super forms crystals preventing water ingress and provides an extremely durable waterproof coating. Sika Waterproof Coating Grey 5kg. Apply your floating coat (finish) and use a bit of 2X1 vertically to rule off with and form the curve, any slacks (indents) fill them with more render then rule again, will be awkward to plastic float so finish off with a rung out sponge lightly over for best result, dont forget the waterproofer in the finish mortar mix. Now I am intending to use cement, sika waterproofer and sharp sand and render this wall. . 4:1 with morticiser for scratch you can float next day with 5:1:1 sand, cement, lime + waterproofer in water butt. Hazard safety codes: R22, R36, R38. Adheres to damp masonry and is weather-resistant. FREE Click & Collect within 30 minutes. 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. Water Seal. Screwfix Community Forum. These products enable a way to effectively aid in water removal as well as keeping other area’s watertight. Suitable for a Variety of Applications. Screwfix customers rate this product 5/5. Sharp sand coarse and fine, lime and cement in 2 : 2: 1 :1 ratio for bottom coat ( scratch ) coat, with waterproofer. This is an interior wall but yes its a wall with a window and other side is exterior. Single application waterproofing compound for emergency repair and general maintenance of most roof types. Waterproof. This'll make sure it's drawn into the render to provide a nice primed surface. The rest of the building had bell beading so it was only about a 4 metre section I had to do. ★★★★★ ★★★★★. Screwfix Community Forum. Order Bostik SBR Admixture White 5Ltr at Screwfix. How many coats do you reckon fort he top coat?Water resistant bonding agent for external rendering and screeds; Admixture for concrete repair and tile fixing mortars; For improving resistance to abrasion, chemicals and oils; Reduced shrinkage and cracking; Improved workability, waterproofing and mechanical properties; Approx consumption : 5 - 7 Litres per 25Kg cementOrder online at Screwfix. Find your nearest Screwfix store and up to date opening times. If it was my place I definately would not paint it. Ideal for locations such as basements. HandyAndy - really. 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. 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. You would usually add waterproofer to the scratch coat (base coat), & again to final/floating coat (top coat). In terms of damage to your external walls, if any water that has gotten into your brickwork freezes, it will expand outwards within the brick, creating cracks (or more cracks) in your brickwork. You can sand down the corners as far as poss and put a few coats of red oxide or any other number of magical rust cures, I've done it a few times, it will buy you a year or two. 4 use mechanical fixings to fix this system to the wall. The 2nd. chillimonster Screwfix Select. Click & Collect. This is especially important if you apply a thick traditional multi-coat plaster. Cement based coating for preventing water and damp penetration in walls and floors. 80. I want to chop off about 500mm from the wall to widen the path and then render the cut end to match the wall - so a small area to render, approx 900mm high by 2 brick widths. If the wall is wet, not sure trapping the damp in the wall in under new. From what I’ve read on this very helpful forum, it’s a water/salt problem. This Everbuild 402 Water Seal is a sealant that stops water wear on brickwork, stone masonry, concrete, pebbledash and other exterior walls. Contains enough to waterproof a standard sized shower. £9. Everbuild’s Black Jack paint is perfect for. 41 Per unit £0. Fast-Drying. Extra grip, render bonding agent that contains a fine aggregate to provide an improved mechanical key before applying render on external concrete, blockwork or brick. Volume. 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. We stock Everbuild PVA, ideal for use as a contractors PVA due to its high strength. I recently bought a bungalow, it was built 1970. Air entraining – will not “flatten” the mix. Water & Weather-Resistant. B. 5055492702975. Can anyone tell me which is the best silicon based waterproofer they have used for waterproofing an exterior stone wall. Supplied in a graduated bucket. Once dry then add a cup full per mix of neat sealer in the water. 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. Will depend on the type of silicon, and will only work with oil based paint. The fine aggregates are suspended in a unique waterproof polymer to ensure easy application by roller or brush. Sometimes i use wire ( render lathe to all you young spreads ). I have a small area (2. Apply the render with a steel plastering trowel and scooping it from a plasterers hawk. Dow 791 Weatherproof Silicone Sealant Anthracite 310ml (44836) (42) compare. Primer Not Required. Read more. Buy Multi Purpose Fillers from Screwfix. too much suction 4:1 will do you. Click & Collect in as little as a minute. £34. 99. Add for Delivery. IKOpro Synthaprufe Trade is easy to apply and provides damp proofing for concrete floors, foundations and masonry walls below, at or above ground level. Apple Pay accepted in store. Primer Not Required. 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. Asked at the garden centre, what to do to stop it soaking in. Phil the Paver, Nov 22, 2014. the render has retarder/waterproofer in it. Stops freeze thaw damage. You shouldn't use PVA for external render however they do make an external grade one but this isn't necessary. I've slapped a PVA solution to brickwork on internal walls prior to render, I GUESS that this situation is no different. Forms a transparent, waterproof barrier. Float at 5:1:1 Builders sand : OPC : LIME with waterproofer in the water How does that sound? 2. Exterior rendering is, I think, a more manageable beast that, say, internal skimming. Order Bostik SBR Admixture White 5Ltr at Screwfix. Products reviewed by the trade and home improvers. 2017 #2. Out of stock. I plan to re-flaunch my chimney in April when weather improves. Waterproof a leaking roof. 7 litres of SBR per 25kg bag of cement to give a totally waterproof render. For Fixing, Sealing & Binding. Buy online & collect in hundreds of stores in as little as 1 minute! 30 day money back guarantee. Screwfix Community Forum. Sika 1 Waterproofer is an aqueous solution containing complex colloidal silicates. Is either expanding foam, or white silicone OK in this situation (inside of course, render with waterproof mix on the. damp down the area your about to work on to get rid of the dust. 1-2hrs Approximate Setting Time. that's why i am kind of believe the exterior wall is vulnerable to weather conditions. Voltage Proof at 3000V. giving a lighter easier to work gauge of mortar. Im nervous about it cracking so please can you confirm the correct mix to use. 90m x 50mm. If the wall is dry (unlikely this year!) lightly damp it without soaking it completely before applying the. 5/5. uk. This not painted at the time as suspected water ingress problem however this issue now resolved. G4 Pond Sealer Clear. Click and collect in as little as 1 minute. . My plan is: 1) Cut back the render from the ground. First of all you need to get the mix right first coat needs to be 4-1-1, 4 sand 1 cement and 1 lime and 1 cup of waterproofer. 5 Ltr. VAT) Quick. PAGE 1 OF 2. Discussion in ' Builders' Talk ' started by roger waters, Sep 11, 2006 . (we could render the side but not the back). Leaving me a few mm to be skimmed. £ 28. They do say that a suitable bonding agent could be applied prior to the render scratch coat. If in the top coat the waterproofer or water resistance(r) may/fail and then damp has every chance of getting through. Developed to repair damaged masonry between brick and stonework. Delivery. Ricky Johnson New Member. ALlow to dry for 4 or 5 days and then finish with a render of 6:1:1 rendering sand:cement:lime. Add for Delivery. Render thickness seems to be between 5 and 10 mm. FREE next day delivery available, free collection in 1 minute. Screwfix Community Forum. 99 Inc Vat. Order Sandtex Quick-Dry Stabilising Solution 5Ltr at Screwfix. The old injection attempt has not worked, and neither has the inside attempt to render to 1m ht. 1/5. Quick-Dry Stabilising Solution. 5 Ltr. Discussion in 'Builders' Talk' started by ssss64, Jan 23, 2007. £ 28. Hi, I am going to render round the bottom of the bay windows, would it be a good idea to use integral waterproofer? One of the bays is north facing. Extremely durable and will adhere to any substrate for filling and repairs with no depth limit. there is a waterproof pva available which some say would work ok, but the consensus here is that either sbr or a sand/cement. Home Forums > Screwfix Community Forum > Builders' Talk > Help with Rendering please Discussion in ' Builders' Talk ' started by mikethesmoke , Apr 26, 2009 . Delivery. I am after some advice if poss. I added Sika MaxMix concentrated integral waterproofer, but not sure I used enough as I added it to the gauging water and not the weight of the mix and the sand was damp. Sandtex masonary paint is top notch, waterproof and flexible so as long as its put onto a good base (hence the Satabliser solution first), it would do the job and look great. Covers up to 4m². unless you do a lot of good drainage behind it and seal it with something more waterproof than render. I will be hacking off and re rendering the whole house, The time between hacking off and rendering, will the house be no longer “waterproof” and get damp inside if it rains?I've done some DIY plastering, but have no knowledge of rendering, so would anyone be able to help me out with some info, please? The bathroom walls were originally rendered half-way up, and its so hard to remove, I would like to leave the existing rendering in place and just add new render the remaining top half. £ 52. The Bonding coat should not be allowed to dry before application of the render or plaster. . 2: Hydrophobic Coatings. Water vapour permeable. giving a lighter easier to work gauge of mortar. Currently in Stock. Learn more about Graphic Design Architectural Rendering | Victoria, BC. Ensure wall is sound, clean and ready to receive HardieBacker®. Tags:. common sense tells you that this system will go nowhere and it wont. I then intend to paint on something called a cementone aquaprufe, which is a cold applied bitumen to the wall, and then finally dot and dab standard 12. 5°C. There are various types for different applications, including quick single coat options. View all: No Nonsense Cement Mix. Weather-Resistant. VAT. Extremely durable and will adhere to any substrate for filling and repairs with no depth limit. MyPetFrog likes this. Bonding is not a good idea on external walls, it attracts water to it. 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. £6. you will then have a render. I intend to stipple a further slurry of Unibond, cement and sharp sand before I render the wall to make it suitable for applying tiles in the shower area. com. 400 ml. Then sharp sand fine, lime, cement in 6: 1: 1 ratio as top coat. £12. Covers up to 4m². Masonry cream is snake oil, it does nothing. . Suitable for interior and exterior use. There is no insulation or a cavity. It looks like I'd need 3 different types to do the job properly with that stuff but it looks like good stuff. I'm having to strip back and re render the walls where the shower is going as the plaster is poor and has been sealed with pva i think. This full-bodied, solvent-based paint dries quickly to form an odourless and taint-free black film – it’s suitable for metal protection as well as overcoating wood and felt. £9. Screwfix customers rate this product 4. only one left wet. Change the physical properties of building chemicals to suit the job. waterproof render will work however yoy need to overcome the possibility of presure pushing the render off. PVA Sealers. Volume. 50/Kg)Product Details. Â, Dec 1, 2007. Over 40,000 products. You should have. Mixing: Add the SBR undiluted to the mix and then adjust the consistency with clean water. ex. B) To seal around the bathtub - I am planning on using the Schluter Kerdi TS Bath and Shower Sealing Kit. Sika Bond SBR+ Waterproof Bonding Agent and Mortar Admixture - 25L (6) £99. However on the upside the materials that are available mean that working with sand and cement with added lime and waterproofer (for the record) and the ability to ashlar, and form all manner of quoins and window reveals/bands etc take far more skill than the average. FREE next. Over 40,000 products. £11. e. Can anyone tell me which is the best silicon based waterproofer they have used for waterproofing an exterior stone wall. Volume. FREE next day delivery available, free collection in 1 minute. Float at 5:1:1 Builders sand : OPC : LIME with waterproofer in the water How does that sound? 2. I know this is not the best route to go in waterproofing a wall normally. 25 Year Waterproofing from a Single Coat . If I render with febond sbr sand and cement render then I can use 10mm travertine tiles. have 2, or even 3 cups of tea. 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. roof king, Sep 17, 2010. Primer Paints. BS 4887. Febtank Super. 99 Inc Vat. Universal Protector Water-Repellent Spray. Apply Water Seal directly onto damp surfaces to provide long lasting waterproof protection within hours. today he's applying top coat with no waterproofer. Delivery. final coat of render needs to. #2. 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. Apply with Brush or Roller. The wall is an external leaf, subject to high prevailing salty winds and has had dampness for years. Im asking for some advice on the best way to repair this. 2) Fit a bellcast. #10. • Drying time of around three to four hours. Product code: 139057. £17. Need some professional advice on waterproofing my 3ft garden flowerbed retaining wall. com. It sets to a rock-hard finish and can be overcoated in 24 hours. com. Live in an old stone cottage,just chopped a load of original lime/horsehair plaster off some of the kitchen walls,rendered it couple off weeks ago with 1st coat 3 sharp 1 soft 1 cement and redermix aditive,put the soft in as did a 3. Using colour dyes to a render coat would not work because the colour would fade over time even if you did achieve a uniformed initial colour when batching up. Lead-Free. shazauk New Member. Because it's durable, weather-resistant and breathable, Weber one coat render is particularly useful for outside areas that are exposed to the weather, like garages, conservatories or garden walls. 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 been. The shed is 5m x 2m high & has 2 end walls about a metre wide. 8. Rapid-setting waterproof cement. I know this is not the best route to go in waterproofing a wall normally. I know I need to attach mesh to the surface, but a friend has told. Hi, I wonder if anyone can help/ offer some advice as we’re at our wits end. 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. )As long as you have good key you could get away with one coat say 10 mm thick. Use on Plasterwork, Skirting Boards, Windows & Door Frames. A-. Pay your way. Went on white. Preparation of the surface to be painted with gloss. TDav Member. View all: Mapei Shower Waterproofing Kits. Charlie Far!ey New Member. 8m)above newly-fitted french doors to render. It sets to a rock-hard finish and can be overcoated in 24 hours. Free returns. Order Bostik Waterproof Cement Grey 10kg at Screwfix. 6 January 2021 at 10:22PM. Don't listen to jim he doesn't know that hes talking about you always 2 coat all render, bricks also. 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%. 4) Remove the damp plasterboard internally, remove the wet sand, waterproof paint the brick internally and. The rest of the garage walls are rendered and painted and I would like to know if I can render over the blocks. . B&L, Choose one or the other. Order Bostik SBR Admixture White 5Ltr at Screwfix. External wall is rendered. Product Type. What depth should the battons for the scratch coat be? I was looking at 10-15 mm deep off the wall. VAT £15. 3. I'm quite a confident diy'er and wanting to try rendering a garden wall for the first time. 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). Customer lives close to coast will the salt in the air have any impact on my. Cold & Heat-Resistant. Rub up the render with a plastic or wood float ( an off-cut of 2" x 4" will work as a float trowel) and tile straight on to it. Page 1 of 2 1 2 Next > Thread Replastering around doorframe with very uneven brick walls. I’m doing the patio and the intention is to fill the void. High Bond Strength. 49 Inc Vat. Low Odour. If it could be dug down far enough then a waterproof render might be enough hallbeck, Jan 24, 2007 #3. If you use an oil based paint, thin it 50/50 and use that as a cover coat. When diluted with water it produces a gauging solution for improved adhesion, workability and waterproofing of mortars and cementitious mixes. 41 Per unit £1. Sika Waterproof Coating Grey 5kg (83502) (67) compare. #2. The wall is hollow concrete block, backfilled with concrete and reinforced to some rather substantial footings. 99 Inc Vat. £ 24. A waterproof render is more a damp proofer than a waterproofer. Overcoat 48-72 hours after application with any standard water-based masonry paint or mineral. My builder is advising to render and d&d, but this seems like more work to me for no real reason. £3. If you bought the paint you can get a refund on it. The process involves using a detergent to chemically clean the render using next to no pressure at all. ex. This ready to use Sikagard facade from Sika is a water based impregnation emulsion. Render Waterproofer. This has now altered a little and it will often look like a kind of crazy paving which I belive are cracks in the dash which is allowing water into. 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. Also for repairing cracks and damaged stone edges. Styrene-free, vinylester-hybrid, high performance mortar for the most demanding requirements. 99Inc Vat. Mix was about the same consistensy as for laying bricks. A-. Depending on the ratio you used for waterproofer/water in your mix you should find that the render is virtually weatherproof. Search titles only By: Search Advanced search…Eco Prim Grip Plus 5kg. The garage is being used as a semi heated workshop hence the insulation, but I don't forsee any great generation of moisture within. 80/Ltr)I am building an outdoor kitchen for gas bbq etc. The fine aggregates are suspended in a unique waterproof polymer to ensure easy application by roller or brush. The render would or should have had a waterproofer added to the mix when rendered so it will be waterproof, as the render is new it is not necessary to apply a stabilising solution. Thread. Will fill without depth limit and repair without formwork. ie. Suitable as a damp proof membrane on solid concrete floors. 93. 99Inc Vat. DIY_Has123 Active Member. qwas123 Screwfix Select. Ready to Use. Light grey colour when dry. £39. but the property is in a really exposed position in the Penninnes, built of sandstone, it is grade 2 listed, and the mortar it is pointed with. Stormdry Masonry Protection Cream is a colorless waterproofing cream for application to brick, stone, mortar, render and masonry. £ 14. 54 Inc VAT. 8/5. The front apex has often shown signs of water ingress as the mortar lines underneath are often visible after heavy rain. K Rend). gauge everything put the water in the mixer then add the lime to the. Covers Approx. 8/5. £21. ★★★★★ ★★★★★. too much suction 4:1 will do you. Hi, I have an 1910 solid brick, no cavity built house that is all pebble dashed. Sika Bond SBR+ Waterproof Bonding Agent and Mortar Sika Bond SBR+ is a one component, water based, general purpose, styrene butadiene rubber emulsion bonding agent and mortar admixture. It's like comparing a totally waterproof jacket costing £500 with a 'showerproof' jacket costing £25. Tarmac One Coat Render is a pre blended render that can be applied in one coat for patch repairs or larger rendering projects. PVA sealer is an extremely versatile, odourless, waterproof and non-toxic adhesive that is suitable for a multitude of tasks and requirements. 24 kg. Suitable for new or renovated substrates, either unpainted or painted: gypsum plaster, old painted surfaces, cement, concrete, breeze blocks, bricks, stones, glass and. Suitable for new or renovated substrates, either unpainted or painted: gypsum plaster, old painted surfaces, cement, concrete, breeze blocks, bricks, stones, glass and glazed tiles. I'm not expecting a smooth 'craftsmans' finish as other areas of render have a rough finish but look perfectly acceptable once painted. It produces a superior. Product information. oggie78 New Member. However as an temporary repair would it be OK to remove the loose render, apply unibond and then use Waterproof cement from Evo-stik - idea being this sets in 20 mins. This is to avoid spraying the chemicals which can then drift in.