Most can be used on all common surfaces, and as a decorative trim or door paint. Phil the Paver Screwfix Select. Stores are open 7 days a week. 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. Artifical Grass Adhesive 5kg. Supplied in a graduated bucket. £6. Unibond PVA is renowned for being the only BBA accredited PVA in the UK, and we stock Unibond super PVA with a high bond strength for gluing ceramic tiles, carpets, plaster and much more. Ideal for Use in Basements/Cellars but may also be Used as an External Coating for Concrete, Brick, Block & Bonded Renders. Having said that, there are proper ways to do it - a layer of Tyvek, staple on some. I have asked a local builder to re-read our chimney as it was badly cracked and had started to let water into the loft. Using a small grinder, cut out all loose chunks of render - & open all sketchy cracks. Delivery Next day available. drill driver New Member. co. Fill holes and cracks with ease, suitable for many applications. Suitable for new or renovated substrates, either unpainted or painted: gypsum plaster, old painted surfaces, cement, concrete, breeze blocks, bricks, stones, glass and. Â New Member. Sanitary Fixings Kits. Is there anything I can do now. Read more. Product Details. VAT. 1. If you arent going to paint over it then put the water proofing agent in the top coat. £13. Product Details. If you really want belt and braces, then seal it with a clear sealer, then you won't have to paint it every few years. You can use metal beads for all windows and angles and drip beads for your bell. View all: Thompsons Water Seal. Tarmac One Coat Render is a pre blended render that can be applied in one coat for patch repairs or larger rendering projects. 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. #2. render on lead. Protecting from rain, frost, ice and snow, this product is ideal for providing extra protection to your home's exterior. HandyAndy - really. £27. It failed in one area, and cracked off the wall. £ 27. • Gives coverage of approximately 2 – 4 m² per litre per coat. Sets in 20 minutes. AC50 Trade Acoustic Adhesive & Sealant 900ml. Mix was about the same consistensy as for laying bricks. Covers up to 4m². OK. Easy to shape and can be used on a variety of rough masonry surfaces including cement, concrete, breeze blocks, bricks and stones. Screwfix Community Forum. Fischer FIS V Zero 300T Injection Mortar 300ml (498HL) compare. Adheres to damp masonry and is weather-resistant. Daveukleics Member. Free returns. Seeking a bit of advice, been waiting for my plasterer to come and do my external rendering. 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. Render up to (or very slightly below) the damp course, finishing with a 25° slope down and outwards from the dpc. dougalhouse Member. Ive been told 3:1 (2 parts sharp, 1 part builders sand) and not as wet as mortar for bricklaying. These kitchen areas can be improved by externally insulation, with either Cellotex or Kingspan, and then using metal lathing to render a good cement/lime roughcast to match the existing property. 2: Hydrophobic Coatings. Big Jumbo, Jul 27, 2009. Can anyone tell me which is the best silicon based waterproofer they have used for waterproofing an exterior stone wall. Most if not all are painted with. G4 Pond Sealer Clear. Product code. Home Tags > rendering. You must be 18 years old or over to buy this product. Applied waterproof PVA. Discussion in 'Builders' Talk' started by Cmd38, Sep 21, 2020. 1. koolpc and SeaJay like this. I intend to apply sandtex stabilising solution and then sandtex fine texture paint which say's it has a breathable waterproofer in it. 5055492702975. Contact the team today by calling 0161 509 9009 or emailing info@emperorpaint. I'm putting a corner shower into the bottom floor (concrete pad) of my house. Never heard of the 4 weeks / mould thing before. Delivery. 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. Light Grey. • High performance waterproofer. £9. . sharp is for screeding. Many can be painted over to match the colour of your windows or frames. Most external decorative renders are painted, most have a combined waterproofer and plasticiser addidive in last coat. So you need to fit a waterporoof membrane undernearth your inner skin over the studding. ssss64 New Member. Can anyone give me advice on rendering over Medium Density Blocks for an external garage. 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. gauge everything put the water in the mixer then add the lime to the. 8/5. Suitable for a Variety of Applications. K Rend). Stops freeze thaw damage. Sets in 20 minutes. Provides perfect adhesion without the use of a primer, even on damp substrates. I would appreciate a little advice on the making of the waterproof render,thanks. Finish second coat with sponge or wooden float. Screwfix Community Forum. remove all dust. blertsville, Jul 4, 2011. 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. Waterproofing Block Building. 5mm thick maybe more on old uneven walls it has a waterproof addative in the mix. Apple Pay accepted in store. 2) Fit a bellcast. Weather-Resistant. 30 day money back guarantee. Render - smooth finish. Neosparks, May 30, 2006. He came back and redid that area, and it leaks there worse than ever - it's just like a sponge. DIY_Has123, Feb 3, 2021. Volume. Have look at Weber Weberend Aid made for smooth surfaces, will provide a key. Cmd38 New Member. Neville the tap dancing gibbon, Sep 2, 2006. ALlow to dry for 4 or 5 days and then finish with a render of 6:1:1 rendering sand:cement:lime. 99 Inc Vat. But overmix using Fairey and the mix becomes a foamy mass of bubbles with very limited final strength. DIY_Has123, Feb 3, 2021. You can use this all-in-one primer and sealer to form a waterproof layer on outdoor surfaces such as concrete, lightweight. 5mm² Cables. Bostik Waterproof Cement Grey 10kg (58196) Bostik Waterproof Cement Grey 10kg. Delivery. Screwfix customers rate this product 4. all external work is sand and cement render and is a two coat process the frirst coat applied is called a scratch coat and is about 9. render SamBeevor96__ New Member Renovating an old cottage which has penetrating damp, looking to apply an internal sand and cement render adding thermoseal/waterproofer to stop the damp coming through. As the title suggests is artex that you use to decorate ceilings waterproof?chillimonster Screwfix Select. Reduces water permeability. 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. I’m doing the patio and the. (£1. Order Bostik General Purpose Mortar Grey 5kg at Screwfix. KIAB Super Member. Ideal for emergency repairs, filling and patching. fillyboy Screwfix Select. I'm quite a confident diy'er and wanting to try rendering a garden wall for the first time. Masonry paints are specifically for exterior use and will protect a property from weathering and pollution. Click & Collect. 202 Integral Liquid Waterproofer is a liquid additive that provides long term water protection to mortar, concrete and rendering. 99. apply the sand and cement to above 1/4 inch of the existing. We are ready for your call 24/7. ie. From what I’ve read on this very helpful forum, it’s a water/salt problem. Wire brush the exposed walls to be sure that there is no mould on the. normal bricks and most blocks, calls for a 1:1:6 mix for the scratch coat; cement, lime and sharp sand (3mm to fines). High performance waterproof treatment for exterior. Includes 2 Countersunk Screw Holes for Workbench Fixing. Everbody have different ideas for the perfect render mix, I usually do 1st coat (scratch coat) 3:1 sharp sand with waterproofer, 2nd coat (floating coat) 4:1 sharp sand with waterproofer. £9. • 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. Quick-Dry Stabilising Solution. Need to render an external wall or building? The Everbuild 507 Rendagrip bonding agent will help ensure your render sticks firmly to the desired surface. Render Waterproofer. Microseal Technology. Give them a good scrub or pressure wash and tidy up the pointing. com. View all: No Nonsense Cement Mix. Delivery Out of stock for delivery. 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. It's a concrete block wall, approx 600mm high. Screwfix customers rate this product 4. Provides superb weather protection for bricks, mortar and concrete. Ready to Use. This not painted at the time as suspected water ingress problem however this issue now resolved. Fixing sheets with tile adhesive, step 1. I have heard i need building paper and mesh before i render. #10. Items are easy to install and use while. Bostik Concrete Sealer 5L. Hello. That's not to say lets seal the moisture in the bricks. Forms a transparent, waterproof barrier. The Bonding coat should not be allowed to dry before application of the render or plaster. If you use an oil based paint, thin it 50/50 and use that as a cover coat. Sika Proof Liquid Waterproofing Admixture is a general purpose, ready to use, economic waterproofing admixture for mortars and concretes. Waterproof render (sika 1) on the walls and d&d insulated plasterboard. 90min Approximate Setting Time. £8. Screwfix Community Forum. Initially it was agreed that the old render would be removed and a new render put on the bricks. . 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. Permaproof Waterproofer - Render Additive 5L. Thermalite hedge their bets somewhat on their finishes section. All walls were PVAed before rendering. 1:20 rather than the more dilute 1:40 option. 41 Per unit £1. Internal Skimming of conservatory walls. #2. Good shout? Also, not location of air bricks. She got the guy back and he said 'oh well, it hasn't worked, you need the place tanking which. Screwfix customers rate this product 4. Screwfix Community Forum. Normally you put on a scratch coat of 4 sand to 1 cement ( plastering sand ) with feb, 2nd coat, float coat 5 sand to 1 cement, feb plus water. You could remove all the damp affected render and plaster back to stone and then render with a 4:1 mix of sand and NH lime. 6 January 2021 at 10:22PM. Learn more about Graphic Design Architectural Rendering | Victoria, BC. The first coat is known as the scratch coat, and is applied in a thin layer and left to cure. Hundreds of stores Nationwide. It’s great for waterproofing outside areas that are liable to be damp, humid or continuously exposed to water or steam. As it dries then rough up the surface to match the surrounding render. render SamBeevor96__ New Member Renovating an old cottage which has penetrating damp, looking to apply an internal sand and cement render adding thermoseal/waterproofer to stop the damp coming through. I have a small area (2. I am after some advice if poss. Delivery 7 days a week. Left it a day, then filled with water. + silcone the windows. For interior and exterior floor and wall installations. Currently in Stock. Evening guys. Discussion in 'Builders' Talk' started by Victor Lek, May 24, 2022. EVeryone seems to have their own opinion and hardly. Suitable for a Variety of Applications. Interior Wood Paints. £13. 2nd coat (floating coat) 4:1 sharp sand with waterproofer as above etc. . Single application waterproofing compound for emergency repair and general maintenance of most roof types. Mould & Mildew-Resistant. Apply with Brush or Roller. I wouldn't bother with grinding the wall either just scratch 4-1-1 sand-cement-lime with waterproofer. Sandtex Ultra Smooth Masonry Paint Pure Brilliant White 10Ltr (23771) (573) compare. 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. Contains primer, coating and waterproof jointing tape. The problem I am having is that the waterproofer in the scratch coat is not allowing the finished coat to go off for up to 8 hours ( wall in shade. blertsville, Jul 4, 2011. 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%. £9. Apply a bitumen or Pitch Epoxy coating from the outer edge of your 'slope' all over the existing dpc and up the wall 150mm. 250 cement board. Are there any issues with MDB's - i know thermalites are a pig but are these any easier?you will need to hack off the external render and re-render with sika No. Key products in the Bostik waterproofing range include: Flexacryl - a flexible, single coat compound for immediate waterproofing over most conventional roofing substrates. Repels water on wood, brick, concrete, paving, asbestos and cement. If you do not want to change the appearance of these walls then use a masonry waterproofer (two coats). that's why i am kind of believe the exterior wall is vulnerable to weather conditions. From waterproof adhesive to glass adhesive, it is important to choose the right glue for the job. 8/5. Protect and reinforce joints. Primer Paints. Creates smooth, easy to work with mortar. With 10mm for the scratch coat and 8mm for the top coat. £21. 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. Screwfix Community Forum. Will not corrode steel reinforcement (brick ties etc. Just wanted to check what mixture of sand/cement I need to use for the render for this? is it Scratch coat of 4:1 sharp sand to cement and then top coat of 5:1 sharp sand to cement? Do I need to do any waterproofing? Looking to get something like in the attached. Low Odour. Suitable for brush application only. 30 day money back guarantee. MyPetFrog likes this. Extremely durable and will adhere to any substrate for filling and repairs with no depth limit. com. Render is max 10-15mm thick. waterproof render will work however yoy need to overcome the possibility of presure pushing the render off. 5 apply new finish. 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. Screwfix customers rate this product 4. i now have to patch it up, about a 2 inch strip. Inc. I am also used 3:1 evermix plasticizer / waterproofer / retardant in the mix towards a strong ratio. Free returns. 74/kg quantity Collection Set Store. Doozergirl said: In a word, no. Deme23 New Member. com. Rendering of chimney. 99Inc Vat. )As long as you have good key you could get away with one coat say 10 mm thick. 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. 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. uk. 2 apply a suitable rendering adhesive (Powerwall make one but so do others it is like a polymer based tile adhesive) 3 bed a fibre glass mesh in the adhesive and trowel flat. Primer Not Required. Use it after clearing. 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. It sets to a rock-hard finish and can be overcoated in 24 hours. Discussion in 'Builders' Talk' started by questioner, Jul 6, 2007. 99Inc Vat. B) To seal around the bathtub - I am planning on using the Schluter Kerdi TS Bath and Shower Sealing Kit. Offers long term durability with no gusting wind noise. 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. 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. I don't see why not to both questions. Weber One Coat Base Render 25kg. No waterproofer in render scratch coat. The render on your house has cracked due to a number of reasons, it could of been done in poor weather, or not enough mechanical key. One idea was maybe to do a slurry of waterproofer and render and paint in on with a brush and once that becomes tacky, to add the 1st coat / scratch coat? Not sure what product to use though for waterproofing purpose, pls advise! Cheers. . 25 Inc Vat. Need some professional advice on waterproofing my 3ft garden flowerbed retaining wall. ex. Any advice would be greatly received, we dont want to knock it down. For Interior & Exterior Use. The fact that it's a retaining wall means that it's going to be damp, almost by definition. Rapid-setting waterproof cement. Corrosion-Resistant. Hazardous Product – Not available for Mail Order/ TCND outside of Mainland UK. 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. BS 4887. Hi handy 007 1/2. Create a smooth base. We would like to show you a description here but the site won’t allow us. com. Cement-based, rapid-setting flexible adhesive. The waterproofs range offers you a selection of colours and sizes to suit your needs while keeping you dry throughout your working day. The rest of the building had bell beading so it was only about a 4 metre section I had to do. I intend to apply sandtex stabilising solution and then sandtex fine texture paint which say's it has a breathable waterproofer in it. FREE next day delivery available, free. Low Odour & Solvented. Buy Fixings & Fastenings at Screwfix. Screwfix - Rapid-setting waterproof cement. Order Fabsil Universal Protector Water-Repellent Spray 400ml at Screwfix. There are many external finishes - Finedown (smooth as in photos), Tyrolean, Pebble dash etc. The old injection attempt has not worked, and neither has the inside attempt to render to 1m ht. cautious New Member. 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. Additional information. Building a stud wall with a damp-proof membrane and insulating it. 2/5. 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. There are various types for different applications, including quick single coat options. Strong fibreglass mesh tape that helps reinforce plaster coating and protects it from cracking. Air entraining – will not “flatten” the mix. The old one is of crumbling brick and an (equally crumbling) smooth cement render. Before adding any render, ensure the wall is damp to the touch, but not running with water. External wall is rendered. Covers Approx. Then sharp sand fine, lime, cement in 6: 1: 1 ratio as top coat. DIY_Has123 Active Member. The Sandtex Brickwork Waterproofer & Protector provides a clear waterproof protective layer for bare brickwork. Hazardous Product – Not available for Mail Order/ TCND outside of Mainland UK. Dow 791 Weatherproof Silicone Sealant Anthracite 310ml (44836) (42) compare. 1 Year Guarantee. Suitable Application. The biggest problem with a single-skin external wall is condensation which most people confuse with rising damp. PVA is a water-insoluble resin which is typically white at the point of application, but dries colourless and has a high bonding strength. General purpose, solvent-based. com. The earth is retained in the garden with another wall. A friend has given me some acrylic render (premixed tubs 25kg) which is a topcoat, and more than enough to do the job. Ka Tanking Slurry Waterproofing Solution Grey 25kg. Hazard safety codes: R22, R36, R38. 24 kg. 5/5. com. com. Suitable for interior and exterior use. 5 Ltr. com. i have a freshly scoured brick wall, having recently removed half an inch of old powdery paint layers. You've done the right thing by removing the render to above the DPC, if yo rendered the lower apart again you'd have to leave a 1" gap which would fill with crud and lead to the DPC being bridged again. I'm not expecting a smooth 'craftsmans' finish as other areas of render have a rough finish but look perfectly acceptable once painted. So I think the order from inside to outside should be:- inner skin, waterproof membrane, studding, insulation, blockwork and then your render. This'll make sure it's drawn into the render to provide a nice primed surface. 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. com. 3/when dry, three coats bitumen. After application by brush, roller or spray; Stormdry provides breathable protection against rain penetration on exterior weather-facing walls. 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. Developed to repair damaged masonry between brick and stonework. Thread. Buy. Order online at Screwfix. The formula is solvent-free, making it more environmentally friendly by reducing pollution. Write a review. Cement based coating for preventing water and damp penetration in walls and floors. B&L, Choose one or the other. The proceedure is:-. Handyandy Screwfix Select. Reduces surface absorption. 1 remove lose stuff. Need to paint render which was applied about 4 years ago apparently with waterproofing element included. Buy Cement Mix at Screwfix. 5mm plasterboard to the wall, and then skim. Exterior rendering is, I think, a more manageable beast that, say, internal skimming. 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. Light Grey. This process is best carried out using a pumping system and water fed pole with a brush attachment. 7 litres of SBR per 25kg bag of cement to give a totally waterproof render. Covers up to 4m². PAGE 1 OF 2. On dense, less absorbent brickwork or render, coverage of the brick waterproofer can be increased by up to 10m² per litre. ** 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. Dried clear. 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. Hang on, it's going white again. 4 use mechanical fixings to fix this system to the wall. Question is 1. Handyandy, Oct 23, 2005. Home Forums > Screwfix Community Forum > Painters' Talk > Painting render. Home Forums > Screwfix Community Forum > Builders' Talk > Waterproofing. Buy Exterior Paints at Screwfix. Fine.