View options. Grey EPDM Rubber Membrane. The roof tiler should have pointed it out to you though; it. 1. To the dry and cleaned surface, apply Rainstop by brush or squeegee at an approximate coverage rate of 1kg-2kg/m ². No more than 7-8 rivulets that didn't reach the floor, but still a concern. Rub-Clean Shower Head. PAGE 1 OF 2. Without the need for special primers, Roofix 20/10 offers outstanding adhesion to almost all roofing. £26. £94. FREE next day delivery available, free collection in 1 minute. Mechanical products work by either circulating or removing undesired qualities such as heat or humidity through use of electrically powered components. ex. Harmer offers a variety of options for Roof Outlet fittings; Cast Iron Roof Outlets, Aluminium Detail Roof Outlets and Insulated Roof Outlets are among the options available to buy. In some cases the requirements may still be met by using flue outlet height lower than the recommended height, whilst in other cases a higher flue outlet height will be needed to give a good draw. Probably the best is to use insulated roof decking, most are a sandwich of foil/ insulation/ foil and ply. Suitable for all kinds of vent ducting from waste pipes to bathroom fans. Consistent thickness from strip to strip. Hi we had a leak in our flat roof extension after the hottest day of the year late july 2022. Easy Cut to Measure & Snap-On. Im not sure the best way to do this, the ceiling is quite angled and would be a bit of an eye sore of the ducting was a straight line. Click & Collect. £38. Ask a question. An alternative, is to use self-adhesive felt or even nail-on, although the latter is not. Waterproof. I’ve had some quotes for replacing a section of flat roof just under a metre wide and about 2 metres long between two pitched roofs, a bit like a wide valley roof I suppose is the best way to describe it. Screwfix customers rate this product 4. I would like to do it as cheaply as possible but obviously not just slap a bit of shed felt on top. Waterproof. Product Diameter. £16. Thread by: Dirk visser , Oct 27, 2022 , 2 replies, in forum: Builders' TalkMark DM Active Member. You've removed the vents and stopped the air leakage through the old windows. If you are in need of high-grade screws and fixings for your insulation (whether that may be fixing plates or warm-deck insulation. I'm planning on replacing the board then obviously going to felt over. CMS PVC Flat Roof Vent From. 8m). 52 locals recently requested a quote. 7m posts the other end. slate/tiling £40-£45 per sq mtr,plus you will have to add insulation on to this(new building regs)add on if needed dry verges etc. The only way I can see to accomplish question 2, is to have the joists sit on the inner leaf (and not go any further). stevie22, May 22, 2023. Probably worth a plastic leaf guard in the gutter outlet to catch it. If you want something less temporary looking then yes, corrugated sheet or onduline sheet will do. Anyway the ply is about 15mm thick from memory so i don't think it will melt. Ubbink OFT-1P/131 Flat Roof Vent / Terminal (131mm Diameter) - PVC. 7/5. Apple Pay accepted in store. The guy is ghosting me, can't count on him coming back to fix his work. We had a problem with our shed workshop flat felt roof leaking and needed a quick repair. 39 Inc Vat. For instance, a 115mm deep gutter will likely have a higher flow capacity than a 112mm half round one. com. Vent and Terminals. a) I have a cold roof which is already vented (I believe anFAnderson roofing system) b) I need to maintain a 50mm gap below flat roof c) I need 125mm of kingspan beneath this (with foil) to act as vapour barrier. Requires 25mm Back Box. Wago L32 25A 32-Terminal 2/3 or 5-Way Junction Box Set 115mm x 155mm x 35mm (621HV) (12) compare. I’ve scoured the Internet for as many examples of flat roof construction details as I possibly could and have found the following. 49Inc Vat. 5m x 5m bathroom roof cost just over £529 for the resin and top coat. It leaks after the first repair, so he. £64. 1610mm. . John9857, Mar 4, 2021. I'm pretty sure once I've disturbed it I'm going to. £164. We have the roofing ventilation to meet all requirements. Delivered by our approved supplier, Find out more. £75. TriRoof 600g Fire Retardant, Fibreglass Roof Kit (Moderate Foot Traffic) As low as. 00 ex VAT. Roof does slope away but our lantern window in the extension ceiling prevents the water. It runs tight up in the buttress at the rear of the house through the flat roof. Add to cart. Knightsbridge 13A 2-Gang DP Switched Screwless Double Socket Matt Black with Black Inserts (275TX) (1) compare. ft. There are two core types of ventilation - mechanical and natural. Long lasting and weather resistant. Supply and fit new joists,new furring strips 11mm osb,vapour control layer, 130mm insulation and 18mm osb deck and 250mm roofing fixings and new Facia and guttering £1280 Supply and fit 6m2 Fiber glass covering including trims and upstands £500 Plasterboard and skim internal ceiling £310 Omitted roof light window as not needed. Click & Collect. All laps checked by client before top cap proceeds. Add to basket. Box profile roof sheets. It's smooth and can be easily swept or hosed clear of leaves and any debris as required. There clearly was a split where the flat roof joins the tiles roof, and roofing contractors (approved by the freeholder's spent 2 hours yesterday purportedly fixing it and replacing a few roof tiles that - apparently - needed replacing. Suitable for Zone 2. 2mm From. GRP Fibreglass Floor Drain Outlet Regular price. £184. Buy online & collect in hundreds of stores in as little as 1 minute!. Save on heating bills. BuildingMad said: ↑. Buy Electrical Sockets at Screwfix. com. In the meantime use some CT1 silicon, its very good quality sealant and will even seal if the surface isnt dry, Good luckHowever, whichever roof covering should lap up the inside face of the parapet and half way over the top. Discussion in 'Builders' Talk' started by Bhant, Oct 2, 2020. 45. Shape the lead flashing. H226 - Flammable liquid and vapourH334 May cause allergy or asthma symptoms or breathing difficulties if inhaled. Get a few tubs and get going with it. Remove top coat completely, sand base coat & lay a new top coat is the only option, if base coat is sound & not lifting as well. Delivery. Use 70mm dia. Delivery. Buy any 10+. We currently have an extension project on the go. I put it on a large roof here this summer, all sealed tight. Available in a variety of options. Weatherproof corrugated roofs. At base of vertical pipe you fit a ‘condensation trap’ (look these up), solvent weld to pipe, available in 110, 125, 150mm sizes - ‘most. Product Type. DIYDave. Block existing ventilation throughout. I had a Cooke & Lewis Kitchen Extractor (CTCHS20 - 90cm) hood installed a couple of weeks ago - the flu was put through the flat roof with a 4" flexible pipe which was fitted with round 4" round vent top outlet. The aim is to have 3” of overlap on the edges, and 6” of overlap on the ends of the roll. mcwilly New Member. One option I have thought of would be to cut slots into. Repair stuff (leak fixers) is somewhat different but they don’t need topcoat either. British General 900 Series 20A Unswitched Flex Outlet Plate White (21114) (23) compare. MK IP66 30A 4-Terminal Weatherproof Outdoor Junction Box 95mm x 65mm x 95mm (57892) (13) compare. Wide range of Blanking Plates at Screwfix. The problem I have is our bathroom is in a flat roof 2nd floor extension and to get the vent pipe to the outside of the house it will need to go through joists 4x2. It is standard building practice to use Celotex (or similar) hard foam insulation in roof voids so you just have to make do with it and run the wires in as best you can. The water droplets are over the ceiling and you can also see some forming on the inside of the outer brick skin. 550mm Sun Tube – Ideal for rooms 15 – 22m2. Calder Lead Code 4 Roofing Lead Flashing Roll - 1200mm More Options. Noise Level 41dBA at 3m. Over 40,000 products. 79Inc Vat. 37 ex VAT £18. Choose from top trade brands. alternatively I presume I could use 125mm of kingspan (polyurethane) (without foil) and use polypropylene sheet as a vapour barrier. 5011 Recker Hwy, Winter Haven, FL 33880. Play a hose on the roof and see if the water pools, if so do as dewalt sudgests and increase the pitch slightly. 52 locals recently requested a quote. My question is this: I am running 2x8 ceiling/roof joist to span 15 ft. Click & Collect. It's been leaking constantly for a few months and I've had two roofers round. We've had some really strong winds lately and I've noticed one side of the flat roof on my extension lifting a little in strong gusts. The light through the roof is mainly via a number of these triangular lanterns - please see photo. £2,357. I'm building a timber porch to use as a utility room. A boiler flue is a duct or pipe which is used for the expulsion of waste gases and condensation from a boiler to the outside of the property during the heating process. com. 78 sq. Suppliers of VELUX Windows, Redland Roof tiles, Marley Eternit Roof Tiles, Sandtoft Roof Tiles, Roofing Lead, Ventilation and Roofing Accessories. 54. 19 Inc Vat. The problem is it could be several ways: up drainpipe then under roof tiles, via cavity walls, over roof then through felt, etc. At UK Flat Roofing, we supply an entire range of insulation fixings and screws to secure your home’s flat roof insulation. Arris rail detail to abutment. Add to basket. This gives a warm roof void but does involve the extra cost of stripping the felt and refelting. £6. Add to basket. Firestone Rubber Roof Trims. 1 Year Guarantee. price incl. Browse our range of GRP roofing kits, trims, resins and accessories to create your GRP Roofing System, from Cure It and RoofCell. Contemporary Design. Plastic Construction. Always clean up any areas you wish to repair. 4529 stainless steel, for extremely high-risk and corrosive environments such as swimming pools – designed to fix sheeting and cladding to timber, light and heavy steel. The roof pools water when it rains. I can't find any information - is this legal or do I need to run the pipe to a gutter so the water does not run along the roof? Any help would be most appreciated. Add to basket. Add to basket. Domestic and commercial use. £216. Prevents leaves blocking downpipe. the roof is a flat roof at moment i was wondering if anyone would be able to give an approxamate cost to add insulation above exsiting roof felt then refelt above. My understanding is that this will be a cold roof as the insulation is not going over the joists. Good old torch on felt will last years if done right and maintained. Maris Polymers MARISEAL Systems. Click & Collect. The roof needs to be re-covered as it leaks. Flow Capacity in Excess of Half Round. Flat Roof Outlets and Accessories. Add to basket. 00 incl VAT. Stephen Dunne said: ↑. £84. This product comes with four caulking tubes of sealant. Roof sealant is designed to weatherproof specific areas of roofs, providing protection against the elements. 99 Inc Vat. Flexitec 2020 Application Kit. £61. Mechanical products work by either circulating or removing undesired qualities such as heat or humidity through use of electrically powered components. View all: Essentials Roofing Ventilation. Discussion in ' Builders' Talk ' started by MechanicalDan, May 11, 2019 . Buy Flat Roof Kit Membrane Roofing Felt at Screwfix. UK call centre ready for your call 24/7. 5/16" Connection. Vaillant Flue Flat Roof Tile (937KK) compare. 72 ex VAT £221. Probably worth a plastic leaf guard in the gutter outlet to catch it. EPDM. Flomasta Cylindrical Ball Float 90mm (448FY) (31) compare. Ventilation products improve the air quality in homes or business spaces. To the point, I need to do something about this leak myself. Sort By. Noticed that one on the roofs didn't look right, so called the roofer to have a look. Apple Pay accepted in store. Key Features: Size: 20kg Colour: Grey Coverage: 1-2 kg per m2 Manufacturer: Cromar Building Products Application: Flat and Pitched Roofs, Roof Lights, Flashings, Fibre Cement Sheeting, Gutters, Slate, Asphalt, Lead, Metal and Roofing Felt Description: Cromar Cromapol Acrylic Waterproofing Roof. At. The depth of the roof is different on the tail of the L to the body of the L otherwise I would just show a hip. Single-Speed. Requires 25mm Back Box. you could spray it with a weed killer such as roundup. £290. Ubbink OFT5 Insulated Black 125mm Diameter Flat Roof Vent Terminal - 535mm Flange. Buy Fixings & Fastenings at Screwfix. Flat Roof Vent - TPE - 100mm. Click & Collect. I have now sealed the roof with isoflex liquid rubber so I believe it is now watertight. Out of stock. com. 50 degrees. 06 ex VAT £136. The only screws required when doing a flat roof are ones to fix the gutter brackets to the facia board, or if new build fix restraint straps to the wall. (Max pitch is 12°due to a window) fit 12mm wbp ply sheets. Buy some black. Now cut a piece of milled lead to around 1. Just the basic roofing felt (top coat and under felt) it would have come to £500 based on Wickes prices. Once it dies off you can sweep it off or it will probably come off on its own. Protective & Decorative. Click & Collect. Raised Square Profile. It's currently got no insulation or ventilation. Products in Building Materials and Tools: Showing 1 - 36 of 1717 products. Model KV-12 has aluminum 18 in. H351 Suspected of causing cancer. The guy is ghosting me, can't count on him coming back to fix his work. Product Length. View options. £27. Deleted member 11267, May 15, 2019. #4. Rob_bv Active Member. Order online at Screwfix. You should probably go for 3" solvent weld soil/waste pipe with the appropriate rainwater flat roof outlet,depending on the area of the roof. 1200 mm. Delivery. Stainless steel vertical. If you eventually, whenever, strip the roof then come back here - I can see various difficulties in your pics, & could advise you on a new roof re-build. £15. Flat Roofing Accessories. Sorted by: 4. Hi, I have two pitched roofs with a flat gully in-between. 66 inc VAT Was: £0. galory New Member. . Roofer came and painted a rubber coat across the. Get in touch RoofBot - Roof Calculator. Rob_bv,Oct 26, 2017. White. I was wondering - Could I push up a load of mineral. Re-do the flat roof in a proper way. Seamless Finish. stevie22 Screwfix Select. flat square flange. Net free air space: 113 sq. He was going to get a roofer in to do the pitched roof but did the flat roof himself. Add to cart. I can't get my head round if that even works from a. PVC. ClassicBond Flat Roof Kit Membrane 8' 6" x 18' 6". FREE next day delivery available, free collection in 1 minute. This is so my warm flat roof insulation doesn't become obsolete from the cold air within the cold pitch roof. Swimming pool fixings . Polypropylene Construction. Personally I design the roof properly in this situation and often, with a couple of 2x8s spanning, the rest of the roof can be much lighter. At the time the builder said it was around the same price after I had asked if it would save me money, but I've just had the final bill where he says the flat roof is a lot more work and materials and has charged an extra £1000 for a 3x4m extension. Cromar Aluminium Solar Reflective Paint - 25kg (Premium Grade) £145. IKO Premium SBS Torch-On Roofing Underlay 12m x 1m - 300m2 Pallet. Width of ducting is 150mm. Manrose Cowl Vent White 125mm (54366) (255) compare. Add to Cart. Funnel & Flexible Pipe. Stripped Bare Wire. Glidevale Brown Continuous Soffit Vent for Sloping Soffit - Pack of 10. GeoffonTour New Member. 50 Ex VAT. If it were mine, I'd double them up, so nail another set of 100x50s on top of the existing ones. Buy Guttering online at Screwfix. It will be a flat roof. A big roll of heavy gauge DPM is probably your best bet. Flashing Kit for pitched roofs. 37 incl VAT. Delivery. At Travis Perkins, we're on hand to help you complete your roof project, whether that's for commercial or residential properties. Prevent the rainwater splashing over the guttering. Ryno F2L GRP Roof Edge Trim 40mm x 85mm x 3000mm - Black. Add to basket. Just wondering if it's been fitted properly. I put on some Cromopol under the turned up felt for the time being, which has stopped the leak. 55 ex VAT £13. Some popular services for roofing include: Top 10 Best Flat Roof Repair in Los Angeles, CA - November 2023 - Yelp - Roof Repair Specialist, Final Touch Roofing, The Best West Roofing, Terrazas Roofing, Top Roofing Inc, AAA Expert Roofing, Smart Roofing, Benefit Roofing, Heaven Roof & Gutters, Lawsons Roofing. Pay your way. com. Discussion in ' Builders' Talk ' started by Flymore, Mar 14, 2023 . #1. Need Help. 89 Inc Vat. Truckcab79 Screwfix Select. The buildup is going to be a warm roof (joists, firrings, 11mm sub deck, VCL, 120mm celotex, 18mm deck, EPDM). Kitchen/bathroom go for a warm roof, & cover with GRP will last 40 years or more. PaulBlackpool, Nov 30, 2015. The size quoted in the original post would be £160 for a 30 year life time! sospan, Oct 3, 2016. Use high-performance Phenolic insulation like. Leaking flat roof, could I pour liquid screed. uPVC Construction. #2. Buy Windows & Window Fittings from Screwfix. Fit before or after installation of soffit boards. com. On top the roof it appears to be eroding in certain places, mainly due to (I think) a build up of. 25mm x 50mm Treated Counter Batten -. qwas123 , Sep 23, 2023 #10Firestone Rubber Roof Trims. I've got some 60x90 CFP flat roof (fixed) velux windows that are going to be fitted. seneca Screwfix Select. Manrose Cowl Vent White 125mm (54366) (255) compare. Hi, I have a cold flat roof on my new (not yet finished) extension. Round. Treat the stains with an oil based white undercoat paint, a couple of coats and then finish to your preferred colour. The TCR Sun Tunnnel Skylight features a low profile dome in acrylic or polycarbonate with a one piece metal curb mounted flashing that is perfect for any flat roof. Monodraught 230mm Diamond Dome Flat Roof Sunpipe Kit with Flashing. But, you need plenty of cold bitumen to ensure water tightness. Delivery. Xpelair DX150 Extractor Fan Wall Kit 150mm (7948H) (5) compare. Provides a ventilation area of 10,000mm2 per metre run when installed between rafters at eaves level. I would like to re-cover it myself but I wonder if this is possible. Wide range suitable for the trade or at home. 95 ex. Add to cart. It also allows airflow which extends roofing life, prevents roof rot and ice building in winter. When built 2" of polystyrene was placed against underside of deck but then joists were ventilated at window side making insulation worthless!!!Flex Outlet Plate (1) Floor Socket (1) Socket (1) Socket Tester (1) Sockets (1) Switched Spur (1) TV Satellite & PC Ethernet Socket (1) Telephone & PC Ethernet Socket. 99 Inc Vat. Bulk Save - View Offer. 79Inc Vat. £16. £53. He would be able to make an ideal firring from 3x2. Gutter water from roof coming down pipe onto new flat roof extension. Calder Lead Code 4 Roofing Lead Flashing Roll - 1070mm More Options. 1 Year Guarantee. Vent Width: 150mm. Add to basket. Locally owned & operated. My plan is to board the ceiling with 50mm insulated plasterboard (with foil barrier included on it) and leave the roof space empty. £97. I'm not sure how to frame out the corner of the L. you will also need to take into account the fixings-75mm ring shanks. you could spray it with a weed killer such as roundup. If its just small cracks, I guess I could use plastering. FREE next day delivery available, free collection in 1 minute. Screwfix customers rate this product 4.