It's often cheaper to use steels with a plate welded on for the face work. This coupled with the fact that the bedroom directly above has a very spongey and dipping floor (dips roughly in line with the window below) make me. You could use a self tapper if you're feeling especially technical but there really is no need, imo. The standard design figure for a flat roof is 1. Step 1 - Stripping wallpaper to see plaster board identify existing lintel and remove render. I think we need a lintel for supporting upper floor structure (mid terrace house small house). The house is in a close of about 30 houses and they've all got double glazing with a upvc sill and external concrete lintel with no posts so I don't know what to think. Drill hole- fix bracket with a twin thread 4. The Stressline fair faced prestressed concrete lintel, 100mm wide x 215mm high, 2. Will SF basic wood screws work fine or do I need to buy a specific type / brand? What's your preffered screw type /brand for fixing into lintels? Thanks. In the dining room we currently have a upvc window that is just over 1500 wide and we want to remove it to fit in some patio doors also 1500 wide. ), with virtually no risk of the bricks above moving. 2kN/sqm, So half of a 3. Any advice greatly appreciated. It is perfectly ok to remove such a small amount from this section, it is done all the time. The deviation is approx. Supreme L04 Steel Reinforced Concrete Lintel - 100 x 65 x 1500mm. When you can feel that the drill in nearly through then stop and use your 5 or 5. Some look like they’ve been repaired previously but now have hairline cracks again. Before i proceed - and make a bigger hole (50mm) - can anyone help me understand what might have been preventing the first pilot hole (i'm assuming some hidden lintel) just to help me picture what's embedded in the cavity and how best to position my larger hole to avoid it. This is why is quite important to drill a pilot hole 1mm less than the screw to get a good fixing. Ask a question. It’s a cavity wall construction with block internal walls and brick external with timber rafters spanning the width of the building topped with concrete roof tiles. Discussion in. The ingoing edge nearing the ceiling hit a metal lintel some 3 foot or so into the garage. Vin, Jan 11, 2015 #2. 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. The construction is concrete marley tiles supported roof trusses which sit on the existing 9x3 wood lintels and the outer brick walls. #6. Suits Screw Diameter. On others there was a metal lintel such as a Dorman Long which sat partially over the inside concrete lintel and down over the frame carrying the brickwork and also forming a tray. hallbeck New Member. Use like a regular powdered filler. The garages doors are 3 foot out front of the main house wall. Jord86 Screwfix Select. Fischer FIS V Zero 300T Injection Mortar 300ml (498HL) compare. I managed to buy 2700mm long, 100mm by 150mm concrete lintels from my local builders merchant for my garage doors. so a 140x100 is 140 high as concrete lintels only span a single leaf of bricks. Is a stressed concrete lintel suitable for this job (like a wide doorway)? Or should I put a steel section in there? Thanks. Use either lintel or angle iron between brackets. The manufacturer will be able to tell you the deflection tolerances. I suppose option 2 makes it easier to get the lintel. rogerk101, Feb 16, 2022. And there is a wooden frame around the PVCu door frame. Whatever your steel lintel requirements are, we've got it. House was built in the 1970s. I suppose option 2 makes it easier to get the lintel. Jord86 Screwfix Select. 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. The centre of the hole will be 120mm above the top face of the lintel. If you haven't got much depth on the wall above window you may get away with using some 6mm board screwed to the front of the lintel so it doesn't stick proud of existing finish. VAT) Supreme Prestressed Textured Concrete Lintel 100 x 100 x 1050 S10. Allow to set before then cutting and removing the space below. I would put a slightly longer lintel in that is toothed into the sides of the original builders opening. 23mm (517HR) (1) compare For Angle Grinders Sabrefix Gallows Brackets Galvanised Hot Dipped 490mm x 50mm 2 Pack. . Buy a few and return them if it turns out that they weren't needed. jpeg File size: 601. Sean_ork, Sep 20, 2013. if 1200mm or less, 100mm bearing is sufficient, if greater than 1200mm, 150mm minimum bearing required. Every builder knows that bricks will, to some extent, support themselves in the short term and there is now a device called a Joint Expansion Tool which you place in the perps and wind up to tension the bricks to stop them dropping. No need for structural engineers, no need for expensive steel beams, no need for fuss. 20mm at its most extreme and it’s pulled brickwork to the right the window, causing quite a lot of cracking. The bricks are probably over-hanging the lintel edges so you can't see anything. The cavity tray (as per lintel install guidelines) runs down the lintel and bedded under the first course of bricks / blocks that sit on the outer leaf of the cavity lintel, which lead. I thought padstones were supposed to be slate or metal! Mr. e. Steel lintels are structural components installed over an opening in a wall, like a window or a doorway, to support the loads above the gap and prevent the structure. This would then tie the 2 together. 2m. This is a big RSJ steel lintel which has a plate welded to the bottom of it and so I am guessing it is approxinamely 10-12mm thick. Discussion in 'Builders' Talk' started by Sam Dingle. You need to get yourself at least two, maybe three acrows with strongboy head attachments and slot the strongboys under the dodgy blocks then fit the acrow props on top of a plank of wood to spread the load distribution, then jam the acrows under the strongboys and. 4kg/m = 364kg. Choosing the correct drill bit is essential to avoid injury, damage to the material and damage to the drill. The lintel is bowing slightly in the. Fixing could either be bolted through the beam or strapping however it depends on load. #3. 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. Discussion in ' Builders' Talk ' started by Alhashed, 4 minutes ago . Architect has advised to use a box 200 lintel, but what are my options. Anyway it cost me £180 to have one installed and they used props to hold up brickwork. The lintel above one of the upper floor windowes is looking less than great but I don't know how bad really. This will be like trying to support a loadbearing wall on a folding steel rule. Discussion in ' Builders' Talk ' started by zak99, Apr 20, 2013 . Graham Swire New Member. You should be able to take that lintel out without any collapse, but it's your call, if you want to put in some props first. During the old render hack off, I noticed that the single coarse of bricks above the window are in fact sat on the window frame it self. 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. I going to go with CN71A (catnic), as it removes the need for two courses of bricks and is strong. 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. Put the required lintel spec on a B&Q trade note pad. foxer fc Member. I also see on some lintel' manufacture website, they. Which would sensibly be a PS concrete type. It is possible to span 3 metres easily with the correct lintel. The wall was a double skin wall, originally the external wall to the house and therefore load bearing. Galvanised, mild steel. 2m window over a smaller 1. 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'. Once this is achieved, you can happily remove the brickwork below the new lintel. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel into existing wall. they have had pvc windows put in 3 months ago and whoever did it put a lintel up because the made the window smaller but the lintel is only 3/4 the lenght of the window and above has been bricked up with paving. I've filled in the gaps around the patio doors but there's exposed lintel on top of both of these. Hausfix Screwfix Select. Scotmac, Jun 18, 2016. I’m planning on using a strong boy prop to hold the downstairs load bearing wall in the centre while I fit a 1200mm concrete lintel. If you hit the rebar in the lintel when drilling in to the concrete lintel, its integrity will be compromised. Google “ Welsh arch” , and no you don’t need a lintel. downstairs bay window frame is cracking and was also fitted on to loose brick work which the company just repointed . 7 KB Views: 22. so a 140x100 is 140 high as concrete lintels only span a single leaf of bricks. Im after an opinion on the attached photo. What lintel could I put in and how could it be fixed? My only though was to bolt a 102 H column to each of the existing end columns and then span it with a better lintel. Screwfix Community Forum. So this was the main lintel over the garage span supporting the upper story. Therefore I think careful considered drilling will cause no problems. Good morning. VAT) Supreme Prestressed Textured Concrete Lintel 100 x 100 x 1050 S10. Click to expand. sospan, Feb 9, 2017. Also is it ok to use a little expanding foam . I am looking to put a concrete lintel above this which will support a single coarse of blocks and the flat roof. Would i need a small lintel above the hole supporting the blockwork? Its a single story extension with a pitched slate roof, so the inner leaf is supporting the roof. All you see is the steel lip and then the bricks. 5 the value that the triangular area of brickwork above the opening actually imparts upon it so structurally wise its well ok as the fact that its. 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. Hi Jitender. What is involved in changing the lintel if necessary. KIAB , Feb 22, 2019 #4I m planning on replacing some old single glazed windows in my house with new uPVC double glazed units. So it is one of their lightweight ranges. The screws are spaced out by about 600 mm. Pack in mortar tightly all around. The house is 1930s brick and original windows have steel frames set into a wooden frame with a soldier course above. Agree with Jord comments above. qwas123 Screwfix Select. This lintel was already in need of redecorating as there is significant evidence of past water ingress, however having lived in the house since 2016. The lintel sounds hollow when tapped and doesn't seem to be any bricks above it - went into loft - no insulation above and just seems to be boards. Hausfix Screwfix Select. The lintel looks to have wood going through it (as per images) and I cant find anything online as to why this might be?Jord86 said: ↑. Abrickie, Jun 25, 2021. I’m about to put a new opening in my 1960’s bungalow for a new window. Hausfix, Sep 15, 2022. Smart™ Galvanised Steel Angle | 150mm x 100mm x 12mm. 22 each (Inc. I don’t believe it is a cavity wall. 8kn. 01m to allow a UPVC exterior door to be installed in the entrance. Supreme L02 Steel Reinforced Concrete Lintel - 100 x 65 x. Screwfix Community Forum. Hausfix, Sep 15, 2022. Break out the lintel with a kango in pieces. The lintel will only be supporting the bricks up top the height of the current soffit. in the end i had to go to another travis perkins. Joe the Plumber, Feb 17, 2019. Hence RHS will have the required stiffness. This supports 2 seperate steel lintels. . KBJ Active Member. The walls are solid brick with the outside lintel made of stone (no cracks or issues that I can see) and on the inside there is a wooden lintel. Severntrent Screwfix Select 600 long x 215 deep lintel at a guess, width 100? ask the SE and tell him not to be so lazy, Doesn't give a load rating, lazy again?Well weather was ok so cracked on outside. #2. The ones with the black squares is where the window will be going. Explore our. I can’t find one anywhere though!. 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. It's a heavy lift, but two strong people can do it. A standard brick is 102mm wide. Found a company called watco that do a 2 part epoxy resin filler for. So the lintel really just prevents that first brick dropping out, which could rapidly lead to others following and the 'breaking' of the 'arch' and total collapse. Abrickie Screwfix Select From those photos, it looks like the it’s a very slight arch, which makes sense as there is no sign the original window sat forward in the outer skin of brickwork, if this is the case the arch needs rebuilding not a lintel inserting. The Tech Spec for the lintel states: "As the brickwork mortar matures, lintels of over 1200mm spans should be propped at 1200mm centres. In the days before lintels, you will always see a relief arch about 4 courses above an opening. Buy online & collect in hundreds of stores in as little as 1 minute! Free returns. There has obviously been a timber lintel there before the pvc cowboys came along and fitted the existing door. above. I would have said not to be concerned but the crack is also on the. stuart44 Screwfix Select. 2m. New Member. sandbags89, Aug 29, 2023. 5m rule. sagging. Attached Files: 2BC8545F-100F-48A7-9071-1FF1D5B8DBCC. Bob Rathbone Screwfix Select. (79 products) Builders metalwork consists of a number of metal products essential to a wide range of construction projects. Got a vaulted cellar under the kitchen. Hi All, I was hoping someone may be able to shed some light on this one for me. I myself would rebuild the left pier, right could be repaired, difficult to be accurate looking at a photo & not actually being there. Hi, I'm a building a garden room out of 3 x2 cls c24. #2. As if by magic the lintel cost £90. I've taken the chimney out in my house and whilst I was removing it found it was partly being supported by what I can only describe as a concrete lintel that is inserted into the party wall, presumably for counter leverage. We always allow more than this, especially if using very lightweight blocks below, as it spreads the weight a bit more. 1,The lintel on the brickwork should realy have a bed under it but not essential. Discussion in 'Builders' Talk' started by shaun1235456, Apr 13, 2017. Current lintel fitted i think is 300mm x 90 mm concrete spanning both courses of brickwork. Imagine the lintel has sagged say 20mm in the middle and you want a level surface to attach your door frame fixings, level surface can be obtained by running a 25mm thick piece of wood fixed at the centre of the sag and and fixed at the outer edges with 20mm spacer pieces to fill in the gap between the lintel and. The standard design figure for a flat roof is 1. as it's not only the lintel that has suffered. Prestressed concrete lintels are an excellent solution in providing economical and robust masonry support over door. I was thinking of buying a 8mm thick 70mm. 8 x 0. Home Forums > Screwfix Community Forum > Builders' Talk > Securing BiFold head into Keystone Lintel. It's not just a question of replacing the lintel either. Prestressed concrete lintels are an excellent solution in providing economical and robust masonry support over door. Step 4 - hollow out chimney. Phil the Paver Screwfix Select. Thermal block has cracked diagonally starting from the end of the lintel, both towards the window opening and away from it, and has crumbled away in places. The bricks are probably over-hanging the lintel edges so you can't see anything. So roughly speaking if I allow some room for the plaster etc I'd likely be able to drill above the lintel if I went in 100mm from the top of the window reveal as seen from the inside? yetanothermike, Jul 12, 2023. This goes in about 20 mm and then hits something and the drill can not make further progress. The ground floor is orignal 500mm thick singel skin walls with 2 windows which have old wooden lintels both windows under 1m. From flat steel lintels to catnic steel lintels. With concrete up top, a prestressed concrete lintel would not look out of place. There will be guidelines on Birtley's website: what else do. Our builder has just installed an RSJ that is meant to support a load bearing wall and structural lintel. Thread by: Slinksta , Jan 7, 2023 , 9 replies, in forum: Builders' Talk Thread A prestressing process gives the concrete lintel a high strength to section ratio, minimizing costs and making for safer manual handling. This gives me a 200mm overlap on each end. Morning, Any suggestions for fitting brackets where a lintel is in place? I am touching the steel after 15, 20mm. 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. The span is 2300mm and there was a prestressed concrete lintel with a span of 2700mm. Handyandy Screwfix Select. I the house is 1950s all brickwork and I need to replace the lintels above the doors as there will not be a big enough overhang each side. There seems to be no evidence of an external lintel but is defiantly an internal concrete lintel for the inner course of brick. Considering changing an 1800 wide window with waist high cill in the ground floor of a brick and block bungalow for a slightly wider set of french doors (2000 wide) that have been offered. One opening will need to support three floor joists at midspan. Hi, I've been having some trouble drilling into a lintel above a couple of windows, I'm fitting new blinds. Mix up like a regular powdered filler. Use strong mortar (3:1) for bedding. The spec of a lintel is almost entirely dependent on the span because in theory it doesn't matter how many floors worth of walls you build on top of the lintel. You’re not the source at all mate, sorry for souring your thread, ask away all you like. Local merchants do a box section HD lintel with 50 kn UDL for about 40 quid. Use the smallest bit to drill a pilot hole and work your way up to your required size. 5kn. Either a solid wall lintel or concrete internally and L shaped steel externally, all @1500 in length. Above the garage door will be cladded with cement board rather than be load bearing like blocks. The roof is a tiled type goong front to rear and pitched in construction. Depends on the size of the opening. Option 1 - I take a loss on the window I bought, buy a smaller window that fits under the RSJ and somehow cover the RSJ with trim. rogerk101, Jul 1, 2020. etc. Then fit lintel and angle grind out the opening, from both sides of the wall if its only a 4" grinder. 6 meter bifold doors in the front of the extension. So the ops 1. This was more common on brickwork that was n't seen, and obviously when it was seen, the more traditional decorative arch was used directly above the opening. Jimbo Screwfix Select. Here are the pictures. The lintel actually sits partially inside the box so it needs to come out, remember this when you get the lintel and when fitting it. D. when i removed the old timber frame patio doors i noticed that there didn't appear to be a lintel on the outer brick wall, only a concrete one on the inner block wall. More than likely an L shaped steel that’s either cut right back into the house walls as a cantilever, or a piece attached to the apex and supported from the outer extension wall. Any ordinary DG plastic frame will do because The new window will not be supporting anything. KIAB Super Member. 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. Most BCO are happy with this. Yep and I feel it's happening to my house. 65 could work dependant on the situation so it might be worth a number crunch instead of reaching for the breaker. 30 mins later van and Oxyacetylene cylinders set up. I’ve got concerns about how the lintel has been supported. There will only be 2 courses of concrete blocks above them then a steel profile sheet roof. 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. I've some concerns about whether or not the job has been done properly. Screwfix Community Forum. Screwfix Community Forum. Log in or Sign up. tomplum Active Member. Your screws are too short and the self tapping side of things is pointless for this scenario. Abrickie Screwfix Select. Discussion in 'Builders' Talk' started by Aron82, Nov. You could almost certainly neatly cut out the horizontal row of bricks immediately above your proposed door frame using your saw so's you can slip your lintel straight in (with a min 150mm overlap at each end - I think. 99 Inc Vat Click & Collect Delivery OX Trade XL-10 Masonry Segmented Diamond Blade 300mm x 20mm (216HP) compare For Disc Cutters For General Masonry, Paving Bricks, Hard Stones, Kerbs & Lintels Sintered £27. Lintel. Hi All, New member so go easy I am thinking of converting my garage and putting Bi-Fold doors in the side. The dimensions of the existing wooden lintel is: Width 1100mm. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel. Made from top-quality steel, our drill bits are durable, long-lasting and able to withstand even the toughest of drilling tasks. Walls approx 2. Screwfix Community Forum. VAT) prestressed concrete lintel. It’s flat and not L-shaped. Lintel and Cavity Tray The lintels are obviously different types. New-to-DIY likes this. All the windows have a concrete lintel as shown on the attached photos. Next day pack gap with slate and remove acrow. The material from which the windows are made has no influence on the strength of a lintel. 4 kN/m (26kN/m if the span is 1. forever i said! I'm hear all week! Major Mal Funxion, Jun 26, 2008 #1. arrow Screwfix Select. 8kn. arrow Screwfix Select. This is load lintel should be capable of taking, no info re capacity is given on Beesly website so you need to ask the question. What about the lack of support over the kitchen window and double patio doors? Screwfix Community Forum. When he finally turned up on site, he said the existing lintel wasn’t big enough and we’d need a new lintel. The roof construction is 145x45 x3m c16 timbers on 400 centres with a warm deck construction using OSB and expanded pu foam insulation. Steve_K New Member. 2,The bricks should be on a bed not right on lintel (but only at the front of the lintel) 3,Depends on the condition of the lintel if it seems ok leave it in fit new window rake out and re point. Some lintels are marked top. I’m looking for some advice on a project I’m about to undertake. I've fit new french doors, uPVC ones. The bricks are 102mm, the lintol shelf is 96mm. This goes in about 20 mm and then hits something and the drill can not make further progress. I would like to replace the lintels as it got a crack. There is 1 window, width 580mm, where I cant put the lintel without changing the. Steve, just so you know the theory of the concrete lintel. #9. 7mm thick plasterboard. If you were to remove the plaster vertically, you will come across the actual lintel, which will be wider. If not, it could be cut down to suit. And besides as said, they are liable to restore. ElecCEng Screwfix Select. if the 47kN lintel is up to its capacity and spanned say 3m. I merely pointed out that there is usually more than ONE correct terminology for the same thing. For concrete lintels the answer is to start your fixing holes with the smallest masonry drill bit you can get, normally 3mm, and work up to the size you require. #11. 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. Any advice is gratefully recieved. = 184. I asked if a structural engineer had been involved in this (was involved in other parts of the build. Buy Fixings & Fastenings at Screwfix. The wall is very cold to touch during the. 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. Lintels are designed to support masonry above an opening, whether it be filled with a window, door frame or nothing at all. The membrane/cavity box directs the water to the outside via trickle vents. The existing lintels in the garage above the doors are box lintels. The material from which the windows are made has no influence on the strength of a lintel. Also fitted a lintel a lot bigger than the wooden lintel. Its an 80's house. Notnowvicar Screwfix Select. This lintel will be re used for one window. The lintel will need to be approx 124. 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. I use a 4mm cobalt bit from the competition (you get a pack of two for a few pence). Joe1985 Guest. Above the lintel is stone to the apex. All you see is the steel lip and then the bricks. It looks OK, no rot. OP you're overthinking. Screwfix: Thousands of products at trade prices | FREE delivery available 7 days a week | FREE click & collect in as little as a minute | Hundreds of storesLintel. Compare. Don't know if the window is set back 4in, easier to take out, or sitting under the arch. There. #11. Do not attempt to join lintels. CLEARANCE. I am using an SDS drill with 5mm drill bit. . Render on the wall insulation and fibre glass on the roof insulation. The job was due to be done within a month but various delays meant that didn’t happen. 5 = 7kn/m run. 42 per M. Read the table on you link your 65mm lintel over a 2. Prob best to take old beads off. #2. We would like to show you a description here but the site won’t allow us. Order online at Screwfix. Bed it in nicely, and allow the mortar to set for. #4. It might be possible to put the doors in with no lintel IF the door header was thick enough. Our engineer specified a PCC lintel for use where the downstairs wall supports a glulam beam, that's in turn taking the upstairs floor joists. . If you're really paranoid, just double them up. The wall ia load bearing for the floor joists above and a wall which itself is not load bearing. #2. 1. replace lintel and then have the joints repointed to ensure integrity between bricks. Catnic do a variety of heavy duty lintels, but at the top end of extreme duty are around £500-£600 for that span. 3 high, max 4 metre to apex roof. Trying to put a plug in for a new fixing and getting refusal at 20mm. 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. There isn't a big enough clearance for the key to miss the lintel. Apparently the top piece of concrete is the lintel and it's being supported by the concrete posts and the sill so nobody is prepared to take out the sides and sill. Mr GrimNasty Active Member. Either way it’ll need a good SE to make sure. 5kn per sq metre. 2/ mortar up the 2 end bearings drop the lintel onto these then backfill the upper surface. or. After the new lintels are in place. Hi Jitender. Remove the windows and put a Catnic steel lintel in place making sure that there will be enough support on the left and right. Screwfix Community Forum. there is no 'wall' weight to support - just the lintel itself then the wall plate/roof Flat roof will be (assuming I. This would then tie the 2 together.