OP you're overthinking. I thought padstones were supposed to be slate or metal! Mr. If it was my own place I wouldn't mind as I would remember to take the key out before opening. there is no 'wall' weight to support - just the lintel itself then the wall plate/roof Flat roof will be (assuming I. Available in a variety of options. All the windows have a concrete lintel as shown on the attached photos. The Stressline fair faced prestressed concrete lintel, 100mm wide x 215mm high, 2. stuart44 Screwfix Select. I’m looking for some advice on a project I’m about to undertake. However, our builder feels that this is overkill and a conventional H beam steel lintol is adequate. Although bearing in minds the contract and expansion isn't that much. There is an existing door on the wall and the new opening would be about 2. Home Forums > Screwfix Community Forum > Builders' Talk > Opening fireplace - lintels. The bricks are probably over-hanging the lintel edges so you can't see anything. You can use a specialy made plastic cavity box or use wide damp profe membrane. Home Forums > Screwfix Community Forum > Builders' Talk > Upvc fascia board/lintel. The window company said they can put a lintel in but just want to check as I dont want a concrete intel. stevie22 Screwfix Select. As suggested could end up in the big house for doing that . #6. etc. Screwfix customers rate this product 4. The actual overhang area of the lintel rests in has a greater height (a bricks worth of height). sorted. " It just doesn't give any indication how mature the mortar should be before removing the props - that's why I posted my question. i live in a flat built in the mid 50s but im having a door fitted were the window was did they put lintels above the windows in the mid 50s. Lintel. Hausfix, Jun 13, 2022. I am planning to make my own concrete lintels for above a garage door, door width is 2200mm so planning the lintel length at 3000mm. They were L-shaped (so I'm guessing there's another lintel for the block part of the cavity wall). Total load unfactored = 1. All you see is the steel lip and then the bricks. 4. Or is there some other method that would work. #19. Most of the windows on the front of the home (though not all) have large gaps between the window and the steel lintel (up to 2. Maybe concrete padstones will be required here. Build up the right hand wall to support the lintel then cut away the excess on the left. Have you fixed the leak above them, because if not, that's. So this was the main lintel over the garage span supporting the upper story. Jord86 Screwfix Select Some pictures of the whole wall would be helpful. I was going to ensure each end of whatever lintel that I get is embedded in the wall by at least 150mm each side. Use a masonry bit to drill 3/4 holes in each brick that spans that joint and use a hammer and cold chisel to cut them. PAGE 1 OF 2. exbg, Feb 14, 2023. Hausfix Screwfix Select. Im after an opinion on the attached photo. The builder gave a fixed price quote. Roughly speaking do you think a H. I am putting some blinds up and need to drill into a solid steel lintel. Allow to set, remove lower bricks to form opening. When I insert the lintel is it best to:-. Jimbo Screwfix Select. Screwfix Community Forum. I intend to replace the conservatory, but just find that the mortar above the lintel has cracks causing like 3-5mm horizontal gap. Most probably yes. handyman. Mix up like a regular powdered filler. com. Busterhymen Active Member. View attachment 24992. They are refusing to pay saying wrong lintel was put in and waiting for structural engineer to do his report. It's not just a question of replacing the lintel either. Screwfix Community Forum. You have to accommodate shear rings and you must assure that the cover of concrete is a minimum of 25mm and the shear rings are 10mm so part the steel 25mm to allow for stone to pass in the mix and your beam is as strong as it can get. Ask a question. As you can see the pad stone bearing (in yellow box) for lintel is 115mm instead of the minimal 150mm required. Home Forums > Screwfix Community Forum > Builders' Talk > lintel. The hip roof trusses are 1. D. So it is one of their lightweight ranges. I’m widening the door frames in my house to 76cm ones. I was thinking of buying a 8mm thick 70mm. An surveyor will probably cost £100 for the call out, inspection and short report and advice on how to fix it. #2. Tamp it well down into the formwork to get rid of any voids. The centre of the hole will be 120mm above the top face of the lintel. sospan, Oct 28, 2015. A lintel is a beam placed above openings like doors and windows to support the structural load. There is a wooden lintel above the door which is bent and starting to rot due to leaking gutter which washed rain water down the side of the building, this has been sorted. Depends on the size of the opening. #2. CLEARANCE. #5. Delivery 7 days a week. The old windows have no lintel, I read in the good old days the wood was strong enough to support bricks. I prefer Catnic as well, although I liked the old Catnic ones better. Now have upvc windows. Steel Shelf Angle Lintel. 20 DeWalt Straight Shank Combination Drill Bit Set 23 Pieces (4635K)The lintel is above a first floor glazing opening which is floor to ceiling height and spans 3. ) stacked on top of each other he. Cut a few holes in the wall and slide in some needles and jack the needles across the upper edge of the opening - Next cut a timber the width and depth of the opening and jack it in place below the opening and whack out the rotten timber. 7m above the sewer then assuming the lines of influence spreadout at 45 degrees then a 3. Remove the windows and put a Catnic steel lintel in place making sure that there will be enough support on the left and right. e. if the 47kN lintel is up to its capacity and spanned say 3m. To make matters worse, right below the lintels is the main water supply pipe (28mm) which makes it difficult to get them out and even more difficult to. Del boy 10, Jun 30, 2023. There isn't a big enough clearance for the key to miss the lintel. 'I-beam, H-beam, girder, lintel, Rolled Steel Joist, Rigid Steel Joist etc. The house is 1930s brick and original windows have steel frames set into a wooden frame with a soldier course above. The 2 seperate lintels support the struts and are obviously bearing the weight of the roof. Step 1: is the lintel man enough to carry the loads? Step 2: install following manufacturers instructions to prop during brickwork as span > 1500. CLEARANCE. We thought about putting a timber batten above the window on the inside wall, but the plaster and paint for the whole room is really uneven, so we're just trying to get some. Is an off the shelf ANG catnic lintel that can support uniform distribution of up to 7kN of weight enough to support a stone head going in above. #3. Step 4 - hollow out chimney. stevie22 Screwfix Select. £29. You will need a lintel calculated for the new length. Wanting some advice. Jitender Screwfix Select. Infill insulation and plasterboard. 4 structural engineers didn't see a need to calculate for the lintel saying a commercially available lintel will suffice. Do I need a new full length steel lintel bridging the whole length, inside and out. There is a very small area of the wooden lintel that seems damp and soft (see the left of. I’ve got concerns about how the lintel has been supported. I saw three of the four lintels that the builder took out. exbg Screwfix Select. D. This lintel will be re used for one window. New Member. This gives me a 200mm overlap on each end. I am using an SDS drill with 5mm drill bit. If i use a catnic lintel then you will be able to see the underside of the lintel rather than the stone head. When lintels were cast insitu the steel was put in the bottom as this was in tension. Read the table on you link your 65mm lintel over a 2. They would be cracking or sagging by now if the lintels aren't enough. e. 8m. PFC Plates - Galvanised Steel. HandyAndy - Really. Cut a few holes in the wall and slide in some needles and jack the needles across the upper edge of the opening - Next cut a timber the width and depth of the opening and jack it in place below the opening and whack out the rotten timber. There are 2 main types, composite and non composite. I'm debating if i need to put in a lintel or in this case a piece if angle iron before I'm going to cut a small hole in a 1960's precast concrete wall. Hi, I'm looking to put in a garage door in an existing double brick wall with a 2600mm opening. The doorways have four runs of blockwork (not the aerated sort) above them in a bungalow. sospan Screwfix Select. Wall on the right side of the opening (the compromised side) is 9cm thick, and wall on the left side is 25cm thick. I’ve got a solid brick wall at around 350mm thickness with an opening of 2. However if the lines of influence spread out at 30 degrees there would be no loading on the pipe. Break out the lintel with a kango in pieces. Put the required lintel spec on a B&Q trade note pad. My inner walls had timber lintels. Height 55mm. 4 - put two 100mm lintels from partition. There isn't a big enough clearance for the key to miss the lintel. 1m will give a UDL of 19. 8 x 0. #2. Yes you can fit a door there, yes you will need a lintel and yes you can reposition the strap or cut the majority off and fix the remaining to the four courses of bricks. Putting a lintel where you suggest should be fairly simple, would be a case of supporting the brickwork above, cutting a slot for the lintel, installing the lintel then transferring the load before removing the support. stevie22 Screwfix Select. All the pressure needs to be down not forwards or back. btw, to get the 6" height you will need two p/s lintels (one on top of the other). From flat steel lintels to catnic steel lintels. Damn, not seen one of those for years. So the lintel manufacturers are more likely the ones spreading such tosh. #1. 8 m wide. stuart44, Severntrent and CGN like this. The wooden lintel spanning 66" is presumably supported on brickwork at either end of the lintel, and given its lasted for decades then you should have no trouble replacing the wooden window with a plastic window. = 282. ), with virtually no risk of the bricks above moving. If you must change it you will need to prop up the ceiling with Acros and a board, use a concrete lintel and slate to wedge the bricks up. The RSJ size is 5155mm supported on the side wall 250mm pillars. You select your lintel based on loading it needs to resist Based on your description you will need a lintel that can take Area of a 45 degree triangular load above lintel = width x half the height = 1. Hello. 1/ spread mortar along its top surface, use a spare akro to wind it up into place (not too hard tho) then backfill the 2 bearing surfaces on either end. 3 - take out layer of bricks in the sides of stack and break into partition wall. 0m) cut to size obviously. 2. Want some proper acrows supporting that lot, also lintel need a minimum bearing of 150mm each end. So it’s supporting all the wall above it (2 floors) and then the roof above that etc. No need for structural engineers, no need for expensive steel beams, no need for fuss. SE round here charge around £300-400 for these calculations. Use like a regular powdered filler. Area of load = 41m2. S Builders, Oct 12, 2008. 22 each (Inc. CGN, Oct 8, 2015. forever i said! I'm hear all week! Major Mal Funxion, Jun 26, 2008 #1. The span is 2300mm and there was a prestressed concrete lintel with a span of 2700mm. I was thinking about putting a bit of timber although that would need brackets (i was thinking of a wooden block) on the end verticals to support it and worried it might all be a bit ugly/bulky. 35kg/m2. The new opening will give an unsupported width of 1m. Screwfix Community Forum. 7kn/m run. If they have been there for 15 years then I don't really see the problem. The installers need to sort it properly. If the screw is extremely tight to wind in, it maybe to large for the pilot hole and could snap if this is the case. I've taken down the old mouldy plasterboard around this door to replace with a new energy efficient door and PIR then new plasterboard. Any advice is gratefully recieved. Aaron Mcculla New Member. The outer leaf dropped and the frame distorted. This is unlikely. You need to check with whoever has speccd them to ensure they meet structural design. You could use a self tapper if you're feeling especially technical but there really is no need, imo. 1 - 210x100x1800 lintel how I originally wanted flat side down (need to be absolutely sure it will be the right way to take stress of weight above) 2 - make opening in front face of bricks above lintel and locate stack. I can't use battens side or face fix. Hello, I just had a random question. I was thinking of putting 2 concrete lintels in, one for each skin of the wall to make life easier, theres 5 courses of brickwork above my proposed lintels with a tiled roof. Order online at Screwfix. Thread by: senlim , Mar 16, 2023 , 1 replies, in forum: Builders' TalkA prestressing process gives the concrete lintel a high strength to section ratio, minimizing costs and making for safer manual handling. hallbeck New Member. £177. The interior already has a concrete lintel in. It’s flat and not L-shaped. ChrisLong Member. com. 1 windows lintel looks a little rotten so I am thinking it will need replacing. And there is a wooden frame around the PVCu door frame. 4. sospan, Feb 9, 2017. 75 x 6. Screwfix Community Forum. Yes it all may collapse down when you take out the old lintel especially if the load above has been big enough to cause the original damage, Try googling replacing lintel for more guidance, ( Unless you intend to takeout a triangular area of brickwork above the existing lintel so that there is no load actually acting on the lintel) Last edited. Discussion in 'Builders' Talk' started by goldeneye78, Jul 26, 2018. VAT) Supreme Prestressed Textured Concrete Lintel 100 x 100 x 1050 S10. Thanks. 2m. I've been quoted around £10k to deal with the crack and replace the lintel, this seems like a lot though and thought some advice from people with expereince here could let me know whether I. I understand the loading to be 1. stuart44 Screwfix Select. CLEARANCE. Don't reuse the old lintel. More importantly, a solid concrete lintel crossing the cavity is a bad detail for cold bridging and damp. Either a solid wall lintel or concrete internally and L shaped steel externally, all @1500 in length. If that's the case, then if it's for a door, you'll probably want to move the opening over a few inches anyhow to allow clearance for the door handle etc. 8m (wall is 3m) and need to support the roof (7×2 joists 18mm osb) but dont have the room for a rsj because of the 2. 99 Inc Vat. CGN Screwfix Select. Fillers and Putty are used to fill or seal holes, cracks, or gaps prior to further decorating. com. 3 high, max 4 metre to apex roof. Screwfix Community Forum. I suspect it could do with replacing. 7 KB Views: 22. 32 mm. There is no loft above, pictured will provide a better idea of the situation. A crack in a reinforced concrete lintel isn't going to be of much concern normally, but this sounds like it could have been a very heavy/substantial impact in a direction the lintel isn't designed to be strong - something of an unknown quantity - I'd want it replaced. Bob Rathbone, May 7, 2023. Any ideas please? fred812, Jun 18, 2021. #3. Non composite are designed to take point loads, for example a joist sitting straight on top, composite need 3 courses of brickwork first. Either dot and dab plasterboard to the reveals square to the window to narrow the gap, dot and dab plasterboard at an angle (my preferred choice) to the window and reveals, batten out the reveals and plasterboard, or wet plaster/render it, but you'll need lots of aapplications and it will take weeks to dry out fully. Above the garage door will be cladded with cement board rather than be load bearing like blocks. Yep and I feel it's happening to my house. And some on the lower floor if solid, would be a good idea with board spanning the floor joists at right angles. Steve, just so you know the theory of the concrete lintel. The old windows were wooden frame and aluminium. The job was due to be done within a month but various delays meant that didn’t happen. You could use strappers to tie the blocks into. The material from which the windows are made has no influence on the strength of a lintel. It's a heavy lift, but two strong people can do it. Graham Swire New Member. Discussion in 'Builders' Talk' started by Steve_11, Mar 4, 2021. The rawlplug goes about 60 mm into the lintel. Morning, Any suggestions for fitting brackets where a lintel is in place? I am touching the steel after 15, 20mm. Inset lintels and bed in place with mortar. Hi. But if the underside of your foundations are 1. 6 mm. Hi, I'm in a predicament with what lintel to put above a garage door, im currently building a 5. Some lintels are marked top. I'm trying to drill some holes above a wide window in a 1960s/1970s ex-council house to fix some brackets (top fixing) for some blinds in the kitchen. downstairs bay window frame is cracking and was also fitted on to loose brick work which the company just repointed . as it's not only the lintel that has suffered. Break out the lintel with a kango in pieces. If it is ok to drill a little way into a concrete lintel, how come my combi drill and masonry bit aren’t making a. Support 1 course above where catnic is going using props and strong boys, remove area where lintel is going, bed lintel in on mortar (level both ways obv) with at least 150mm overhang each side, prop lintel off brick below, build brick off lintel to meet upper course. When he finally turned up on site, he said the existing lintel wasn’t big enough and we’d need a new lintel. Next day pack gap with slate and remove acrow. I'm embarking on building an extension on to the back of my house. Any ordinary DG plastic frame will do because The new window will not be supporting anything. 6m. Spot on. I used an angle grinder to cut through the bricks and got a fairly good result. Wayners Screwfix Select. 2/ mortar up the 2 end bearings drop the lintel onto these then backfill the upper surface. #15. Correct way to do this would be to use accrow props with stronboys. The wall is internal, concrete block partly supporting a loft floor above. This would then tie the 2 together. It is unacceptable to screw two thin lengths of wood together to make a thicker piece and call it a lintel- 'it is not appropriate to the stresses involved'. Walls approx 2. The lintel only needs to support 4 courses of bricks above the door. Joe the Plumber, Feb 17, 2019. This is why is quite important to drill a pilot hole 1mm less than the screw to get a good fixing. 2m window over a smaller 1. Add to Cart. 22 each (Inc. 5 inches). The top of the french door (1800mm wide) and two windows(1200mm wide each) will be in the top layer of blocks - i. I would arrange for someone to come and certify him. Alfie Johnson New Member. 75 x 6. #1. fix the redwood to the wall with the fixings at either side of the lintel, and then fix the curtain pole to the redwood. Render on the wall insulation and fibre glass on the roof insulation. 0. Houses are 150+ years old and the lintels are very wet/rotten and have started to fall out. The images attached should go some way in showing the problem. 4m long with a clear span of 2. Notnowvicar Screwfix Select. The UK’s leading retailer of. You can then remove the infill below back to the opening and rebuild properly. Bearings at each end must be at least 150mm. thanks for the advice about not needing a. Probably be Universal Beams. As you say the lintel is only holding 1 row of bricks so not supporting a very heavy load. Home Forums > Screwfix Community Forum > Builders' Talk > Which lintel. The opening's been narrowed and shortened at some point in the past (I get the feeling this was done by a previous owner rather than a professional). Discussion in 'Builders' Talk' started by Judith Birkett, Nov 8, 2020. Would anyone know if there is an issue and what I should expect to pay to get it sorted. The proper way is to remove chust the 'lintel' bricks first, clean up the slot, dampen, apply a bed of mortar where it'll be 'bearing', and slip in the concrete lintel. 1. BuilderMCR, Feb 12, 2014. The wall ia load bearing for the floor joists above and a wall which itself is not load bearing. £15. Bob Rathbone Screwfix Select. For one row of breeze blocks and not loadbearing the header would need to be at least 4" high (and that means it would be about 4" high and about 5" wide). Hi gregz0012, yes you should be ok to remove the recent brickwork, years ago they built what they called a "builders opening" for fireplaces, and whatever form of fire was put in afterwards, they also used to put timber lintols in, so that arch was put there to relieve the weight of the chimney breast off the timber lintol, in fact i think they were/are called. Non composite are. From my experience BC have asked for accompanying calculations for every steel or lintel I have ever fit. Mr GrimNasty Active Member. Grind out the notch though rather than hammer/bolster. I merely pointed out that there is usually more than ONE correct terminology for the same thing. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel alternative? Discussion in 'Builders' Talk' started by mcooper2406, Jun 23, 2019. Use either lintel or angle iron between brackets. Bigger window and lintel replacement. 6 meter bifold doors in the front of the extension. The roof construction is 145x45 x3m c16 timbers on 400 centres with a warm deck construction using OSB and expanded pu foam insulation. white rabbit Member. Just as important as the size of beam/lintel itself is to check that the lintel manufacturers will be designing the padstones to support each end of the lintel. A standard brick is 102mm wide. You will need a lintel and if this is the advice he gave you I would arrange and in independent person to check his work. CGN Screwfix Select. Fixing could either be bolted through the beam or strapping however it depends on load. Fixings not included. Hi All, I was hoping someone may be able to shed some light on this one for me. above. If the screw is extremely tight to wind in, it maybe to large for the pilot hole and could snap if this is the case. Local merchants do a box section HD lintel with 50 kn UDL for about 40 quid. #2. 2 = 2kN/m run of lintel so provided the lintel you are proposing quotes a Safe Working Load greater than this then all is good. I looked at the wall,at the end of the lintel and discovers it to be soft so upon pushing the plaster off,behind it was newspaper Which I pulled out and it left a. So, it serve important an fuction & you can't just put a opening in on the ground. If windows were fitted by a window company then they should have notices this at the surveyor. The lintel is bowing slightly in the. The issue is long term Damp Proofness of the lintel (i. Screwfix Community Forum. Screwfix Community Forum. sagging. D. Supreme L02 Steel Reinforced Concrete Lintel - 100 x 65 x. 4 x 0. If a red plug wasn’t the overall best and simplest idea I wouldn’t have suggested it. Just use a 6mm drill bit straight through the steel. arrow Screwfix Select. So ref your other post about the steel, it has to carry. Some info: The lintel length will be 1200mm (150mm overhang on each side) but not sure what height and depth to buy. No no handy A bit like a standard brick, but a bit more of a hard bar steward! Compo on top of your lintel. One more for you guys. In fact, on a door width size opening, you could almost eliminate the lintel once the wall above it was built and the mortar had set. . Screw a wood trimer over it, and secure the new timber work to that. JPG File size: 186. Allow to set before then cutting and removing the space below. The lintel has failed at the end, you can see outside where the end has been patched up. Read the table on you link your 65mm lintel over a 2. 8 m wide. The ones with the black squares is where the window will be going. Pick a joint line and follow that. Wooden windows were replaced with uPVC around 8 years ago and from what I read that may have contributed to the problem. The correct way is to butter the top of the Lintel/RSJ/Beam with a decent mortar mix say 4 to 1 sand/cement, then carefully lift it into position and have a third pair of hands pinching the acrows up until they’re nice and tight, not too tight though otherwise you’ll start disturbing brickwork up above, then jam slate or. Current construction brick outside, breeze block inside with cavity. Measuring the gap is totally pointless yet simple to estimate, the 20mm side has a 7mm gap whereas the 24mm side has an 11mm gap, based on it being 12. I was thinking about putting a bit of timber although that would need brackets (i was thinking of a wooden block) on the end verticals to support it and worried it might all be a bit ugly/bulky. For the sake of a bit of extra work and sorting that mess out just hire a couple of size 0 acrows, a couple of strongboys, stitch drill the mortar bed joint and bang them in above the higher lintel, remove all the cack underneath that's not needed and insert a new lintel once the brickwork is tidied up. = 184. Chang New Member. Buy online & collect in hundreds of stores in as little as 1 minute! 30 day money back guarantee. Get 10% off - View Offer. After the new lintels are in place. Lintels 44 products Compare Sort Sort Expamet Concrete Lintel, (W)100mm 7 options (3) £ 13. Aug 25, 2022. Steve, just so you know the theory of the concrete lintel. Concrete lintel would be absolutely fine. Bobby Dazzler, Nov 9, 2020 #2. A concrete lintel is not designed to be a acrow, you are well out of your depth. KBJ Active Member. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel.