You need to check with whoever has speccd them to ensure they meet structural design. 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. The other (identical) opening has to support an existing 250x250 steel beam (at 90 degrees) that is currently supporting an upstairs wall which in turn supports the wall plate which has the roof on it and. Use either lintel or angle iron between brackets. Either a solid wall lintel or concrete internally and L shaped steel externally, all @1500 in length. If you’ve got a brand new drill bit, you’ll find it quick and easy. white rabbit Member. We always allow more than this, especially if using very lightweight blocks below, as it spreads the weight a bit more. com. Click and Collect is available or enjoy free UK delivery on selected orders over £150 ex VAT. 3m span is on your lintel that is 1. Available in a variety of options. however now ive removed the doors ive found theyve used a timber lintel (it is a load bearing wall), the width of the opening is 3. The easiest/most effective solution is to drill into the lintel. $172 11. Is a stressed concrete lintel suitable for this job (like a wide doorway)? Or should I put a steel section in there? Thanks. 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. There will only be 2 courses of concrete blocks above them then a steel profile sheet roof. Is this possible?On this same wall there is also a bowing lintel above the window in the bottom right of the image which would need to be dealt with at the same time. I don’t believe it is a cavity wall. this has left a gap between the lintel and brickwork above to be around 2” one side and about 3/4” the other side. 1m will give a UDL of 19. Self tapping screws into the lintel to create a strong fixing as the blinds are very heavy. 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. Graham Swire New Member. rogerk101 Screwfix Select. 75 x 6. Notnowvicar, Feb 23, 2023. This could be a RSJ steel lintel or concrete lintel. Screwfix Community Forum. I’m widening the door frames in my house to 76cm ones. These usually need to be re-cut and a lintel put in, but this is a major disruption both internally and externally. I can see that the brick work above the doors sags a bit in the middle, it was like this before but is something that i. I've some concerns about whether or not the job has been done properly. Compare. Steve_11 New Member. 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. However, this is structural engineer's calculation, building inspector is happy with it. 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. com. CLEARANCE. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel. Home Forums > Screwfix. 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. It’s flat and not L-shaped. I was going to ensure each end of whatever lintel that I get is embedded in the wall by at least 150mm each side. Can then sand down and shape like a regular filler, ready to paint. Yep and I feel it's happening to my house. If it’s the latter, the doors would normally require a plate to be fixed through to of which it’s common for a steel beam and bottom plate to be designed and allowed for. I have a door opening of 1. Screwfix customers rate this product 4. I have BC coming round end of next as we are starting a 2nd story extension. So ref your other post about the steel, it has to carry. My problem is a long concrete/stone lintel sitting above old metal window and ill fitting wooden door to workshop part of the building. catnick,. However, there is no bowing of the lintel above the window or any issues with the external masonry. Wooden windows were replaced with uPVC around 8 years ago and from what I read that may have contributed to the problem. 42 per M. To prevent corbonation it must be vibrated and the mix. I usually use 20mm stones , sand and cement (2, 2, 1) If you make strong formwork with say 18mm plywood with support behind the stones will just disappear into the mix. Make up some platforms on trestles or scaffold so you can do the lift in stages. I now need to fill this gap ensuring the wall above is supported and tidy enough to keep the building. To solve this we fitted a 'Catnic' lintel to support the outer leaf only. stuart44 Screwfix Select. P. Weight of load assuming single skin London stock = 212kg/m2. Then cutting out and removing old lintel/s, which will mean loosening course of bricks above. There are different materials used for lintel beams depending on the design and. Hi. . Screwfix Community Forum. Chang New Member. 7 KB Views: 22. Drill Bits. Fixings not included. 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. Special Order. The deviation is approx. I am planning to purchase a semi detached property, which has got 2 concrete lintels inside the integral-garage which supports the wall above. when you open the door. We moved to our first home about 6 months ago, there is an extension with two patio doors which was installed circa 20 years ago. The installers need to sort it properly. 2m. 5m window. 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. 5 metre joist ends for a bedroom, whoever put the doorway in just cut the. The bricks are probably over-hanging the lintel edges so you can't see anything. The wall plate is supporting to roof rafters as well as roof so there is some load. Is it ok to drill into a concrete lintel or should I stick a wooden plinth on top and use that to hang the blind? 2. The lintel only needs to support 4 courses of bricks above the door. . J. The wall is very cold to touch during the. As you found when the lintel bent, the wall did not follow (immediately!). It's not just a question of replacing the lintel either. It's a source of noise and draught but not sure how and if it should be covered. So maybe the rule isn't quite "150mm" length of the bearing but the actual area, maybe 15,000 mm2 (150mm * 100mm)?The rotten lintel has caused the wall above it to drop on one side. Im after an opinion on the attached photo. so a 140x100 is 140 high as concrete lintels only span a single leaf of bricks. This supports 2 seperate steel lintels. . Explore our. Test one out before drilling all the holes. . 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. Galvanised, mild steel. Bob Rathbone Screwfix Select. The timber lintel above the rear bedroom window is particularly undersized, and has bowed. Wall on the right side of the opening (the compromised side) is 9cm thick, and wall on the left side is 25cm thick. Funnily enough this prop doesn't actually sit over where I want to knock out the opening. stevie22 Screwfix Select. Damn, not seen one of those for years. 1 - Get the lintel removed when the back door is bricked up as it will not be needed anyway after that? 2 - Leave the lintel but route the flue along the wall a bit before going though (perhaps the original) opening? Is that allowed by the regulations? 3 - Leave the lintel and somehow bore through it anyway? 4 - Open to suggestionsAny info would be great. neilbick New Member. Current lintel fitted i think is 300mm x 90 mm concrete spanning both courses of brickwork. Danblez New Member. Personally I think mortar makes sense (so long as there's no shrinkage issues) as the bricks the lintel are bedding on aren't the most level surfaced in the world. While I think this is the easiest option it might look the worst. While I think this is the easiest. Screwfix Community Forum. You will need a lintel calculated for the new length. And there is a wooden frame around the PVCu door frame. 65mm. Extra strong. 0m) cut to size obviously. 'I-beam, H-beam, girder, lintel, Rolled Steel Joist, Rigid Steel Joist etc. The garages doors are 3 foot out front of the main house wall. 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. Could i chase the lintel for some pvc capping or. I would have expected to use accro props with strong bows min of 3 for the big one. #2. Also is it ok to use a little expanding foam . Above the lintel is stone to the apex. 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. Read the table on you link your 65mm lintel over a 2. Why remove the roof? I'd wrap the whole lot with external insulation. 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 worried if i needed anymore width. Steve_K New Member. Ordinalrily the membrane/cavity box slopes from the inner leaf down to the outer leaf above the lintel. The wall itswlf is an external end of house (detached) wall, bottom floor. = 509. Product Type. 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. One opening will need to support three floor joists at midspan. 5kn per sq metre. Agree with Jord comments above. = 184. I’ve got a solid brick wall at around 350mm thickness with an opening of 2. 8kn. 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. This goes in about 20 mm and then hits something and the drill can not make further progress. Take your time and keep checking the. Above my lintels in my new extension, would you advise fitting Weep Ventilators along the lintel (or "Peep" Weeps Ventilators)? If so, what should the spacing between them be - I have a 1200 opening and a 1800 opening (lintels are 1500 and 2100 respectively). 4 metres. One more for you guys. Problem is, the top side of the recess is basically a steel lintel covered with plasterboard, so I'm really not sure how to attach the mounting brackets as guessing screwing into steel is not going to work. I did my best, used standard lintel which I would normally use in similar situation. I would have expected to use accro props with strong bows min of 3 for the big one. There is an existing door on the wall and the new opening would be about 2. 09 Inc Vat. Hence RHS will have the required stiffness. net) would suggest 65 x 100 will be OKThe easiest/most effective solution is to drill into the lintel. sospan Screwfix Select. Joe the Plumber, Feb 17, 2019. So, it serve important an fuction & you can't just put a opening in on the ground. 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. An surveyor will probably cost £100 for the call out, inspection and short report and advice on how to fix it. I’ve toyed with the idea of cutting the lintel back by 20mm and reusing the bricks or using an 5mm angle piece of. Wooden lintels work just fine - unless you render the outside of your house with Portland cement. Pack in mortar tightly all around. OP you're overthinking. jpeg File size: 601. arrow Screwfix Select. Screwfix Community Forum. Product Length. Install a single leaf lintel (Catnic, IG or Keystone lintels) with 150mm overhang each side. 4 kN/m (26kN/m if the span is 1. Whereas the usual DPC in a brickwall is 150 cm above ground level in the diagram the lintel is sitting much further down and getting wet from both top and bottom. Cut a slot with an angle grinder with diamond blade. Screwfix Community Forum. beam direct onto the brickwork. 35kg/m2. This will prevent the stones from falling away when they're disturbed. 6kg required. No need for structural engineers, no need for expensive steel beams, no need for fuss. I've fit new french doors, uPVC ones. 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. i was going to add a piece of kingspan insulation behind the speakers. So the lintel manufacturers are more likely the ones spreading such tosh. Attached Files: 2BC8545F-100F-48A7-9071-1FF1D5B8DBCC. Afternoon all I’m about to put a single skin lintel in above a window before putting patio doors in. Your screws are too short and the self tapping side of things is pointless for this scenario. Discussion in ' Builders' Talk ' started by Andrew De'ath, May 26, 2020 . The builder cleaned the bricks and mortar around the new lintels with brick cleaner to help disguise the work done on the house. If i use a catnic lintel then you will be able to see the underside of the lintel rather than the stone head. S Builders New Member. Log in or Sign up. Most BCO are happy with this. Above the lintel is stone to the apex. Home Forums > Screwfix Community Forum > Builders' Talk > Lintels. The material from which the windows are made has no influence on the strength of a lintel. Andrew Gill Member. It is supposed to allow you to replace lintels and even put in steels without having to pin and prop. 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. Everything else has gone fine so far and I don't want to walk away from a home. D. rogerk101, Jul 1, 2020. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel. Phil the Paver , Jan 14, 2017The new lintel edges would sit on roughly half a brick, see images below for a better idea on layout. There are 2 main types, composite and non composite. Drilling into a lintel seems like a bad idea, what with it holding up the wall and everything. 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. from $393 62 from. Supreme L04 Steel Reinforced Concrete Lintel - 100 x 65 x 1500mm. Step 1 - Stripping wallpaper to see plaster board identify existing lintel and remove render. 2m) would mean that there would be some minimal loading on the pipe. sospan, Feb 9, 2017. A concrete lintel would suffice, the bottom course of bricks should be able to be drilled and taken out carefully then the new lintel inserted with compo to take up any gaps, you can then use a regular height firedoor. Screwfix Community Forum. 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. 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. Discussion in 'Builders' Talk' started by Pawr, Apr 29, 2017. Google “ Welsh arch” , and no you don’t need a lintel. VAT) Supreme Prestressed Textured Concrete Lintel 100 x 100 x 1050 S10. I queried this and the builder says it is safe, but I am not sure. 4 - put two 100mm lintels from partition. KIAB , Feb 22, 2019 #4I m planning on replacing some old single glazed windows in my house with new uPVC double glazed units. Or hire a builder for a day. 4 kN/m (26kN/m if the span is 1. John Levit said: ↑. 4m long with a clear span of 2. After the new lintels are in place. It is perfectly ok to remove such a small amount from this section, it is done all the time. Bobby Dazzler, Nov 9, 2020 #2. Two questions: 1. Remove the windows and put a Catnic steel lintel in place making sure that there will be enough support on the left and right. a standard brick is 65mm high so by the time you add mortar the 140mm height means you get two courses of bricks and 1 lintel to even match up. I reckon the start of my opening will be 450mm away. Abrickie, Jun 25, 2021. 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. sagging. 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. You can stitch drill out half a brick quite easily and the lintel will then be resting on good solid brickwork. #2. 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'. Any help here would be much appreciated. S Builders New Member. The old windows were wooden frame and aluminium. The new opening will give an unsupported width of 1m. handyman. Fischer FIS V Zero 300T Injection Mortar 300ml (498HL) compare. 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 am currently rendering my 1930 semi detatched home. If you're really paranoid, just double them up. This could be a very easy DIY job if that wall above the opening ain't holding the ceiling/floor joists up. I have exposed the internal side of the concrete lintel above my lounge window as I was adding insulation behind the plasterboard. exbg Screwfix Select. Depends on the size of the opening. Use either lintel or angle iron between brackets. Notnowvicar Screwfix Select. wardoss, Nov 29, 2006. Discussion in 'Builders' Talk' started by Jugs69, May 30, 2020. It's a wall dividing two rooms & usually front & back, plus it's the mid way support for the 1st floor joists, & wall continues up & will divide two bedrooms, the wall then supports the bottom chord of the truss which the ceillings are fixed to. You must support the floor and wall above properly with acro's and needles before attempting to remove the brickwork. They are refusing to pay saying wrong lintel was put in and waiting for structural engineer to do his report. I suspect it could do with replacing. 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. All the same to me '. 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. 4 x 0. The lintel more than likely would have been a separate timber lintel, you can still see the bearings where it sat or it could have been part of the frame with 4x2 horns extending into the brickwork. 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. The material from which the windows are made has no influence on the strength of a lintel. If it's only 3 courses (9") would it not be prudent just to fit a upvc infill. above. Easily secure a wide range of applications in place. The installers need to sort it properly. foxer fc Member. uk. Advice on lintel. If they're sensible. Supreme L02 Steel Reinforced Concrete Lintel - 100 x 65 x. When doing decorating your can see the solider bricks directly above the window frame hence why I'm assuming there is no external. e. 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. Fixings not included. 6 meter bifold doors in the front of the extension. Home Forums > Screwfix Community Forum > Builders' Talk > lintel. This will be like trying to support a loadbearing wall on a folding steel rule. When it is cold it is contracted leaving small gaps between the brick and the pointing for which rainwater can get into, when it is warm it is flushed with the bricks. It's a heavy lift, but two strong people can do it. The UK’s leading retailer of. Jord86 Screwfix Select. 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. or. 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. I thought padstones were supposed to be slate or metal! Mr. Home Forums > Screwfix Community Forum > Builders' Talk > timber lintel. Height 55mm. The inner wall section has already a concrete lintel. I am building a concrete workshop which will have a doorway 1. The lintel has the same width as the PVCu sliding door. And there is a wooden frame around the PVCu door frame. The interior already has a concrete lintel in. The stone lintel could be removed and repaired with threaded rods through from left to right, tighten the nuts and pull the lintel back together, re fit the lintel as decoration only. I wasn't provided with building regs or drawings and used my 25 years experience during job. May be tricker if you have a 'soldier' brick. They were L-shaped (so I'm guessing there's another lintel for the block part of the cavity wall). What lintel is on the outer skin? Or is it an arch. With concrete up top, a prestressed concrete lintel would not look out of place. The brickwork is sound apart from the section between the door and window. #2. The plate is rotten as well, along with some of the joists which are also being replaced. Mix up like a regular powdered filler. SE round here charge around £300-400 for these calculations. £75. I don't suppose you sometimes feel like you Iive under an. Remove loose paint and wire brush lintel, then dust down. I managed to buy 2700mm long, 100mm by 150mm concrete lintels from my local builders merchant for my garage doors. The centre of the hole will be 120mm above the top face of the lintel. Hi I am doing exactly the same as you with Georgian sash windows, with L lintels above the. Supplied in a weatherproof bag. Steve, just so you know the theory of the concrete lintel. 3 - take out layer of bricks in the sides of stack and break into partition wall. Its possible that when you take out the bottom bricks where the lintel is to go that the bricks above it would stay in place due to the adhesion properties of the cement or possibly only the central 3,2,1 bricks may drop, worst case scenario is that all the triangular section would drop and need rebuilding. Has excellent adhesion and resists slumping but build up in several layers, allowing each to dry before adding more. Break out the lintel with a kango in pieces. Jord86, Aug 29, 2022. There will be guidelines on Birtley's website: what else do you want ? stevie22, Mar 30, 2023. KBJ Active Member. Correct way to do this would be to use accrow props with stronboys. 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. 5 x 200 =32 kg. The lintel only needs to support 4 courses of bricks above the door. Notnowvicar Screwfix Select. I would put a slightly longer lintel in that is toothed into the sides of the original builders opening. I figure the lintel does not offer bearing to the bricks above. Buy Resins at Screwfix. don't drill into the lintel. Step 2 - install lintel and place props and strongboys wait 5 days for mortar to set. The info on this can be a bit confusing, but basically Catnic claim their lintels don't need a tray whereas others do need them. I have been able to find the producers of the form of lintel number two, (window head and lintel), which appears to be entirely within the cavity and sloping towards the outer leaf. 2m. Morning all after a bit of advice on lintel currently installed. Any advice is gratefully recieved. Read the table on you link your 65mm lintel over a 2. 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. Busterhymen Active Member. Obviously a decent HSS bit is essential 5 or 6mm (any recommedcations, I normally use dewalt) nice and slow as I. there is no 'wall' weight to support - just the lintel itself then the wall plate/roof Flat roof will be (assuming I. So do they normally a one continuous lintel or both houses have separate lintels. Looks like a small section has blown about 100 mm long by 10mm deep. CGN, Oct 8, 2015. Home Forums > Screwfix Community Forum > Builders' Talk > Opening fireplace - lintels. The lintel above one of the upper floor windowes is looking less than great but I don't know how bad really. talk New Member. 4kg/m. To ensure the soldier course bricks are flush with rest of the house the bricks have been cut down. There are 2 main types, composite and non composite. We would like to show you a description here but the site won’t allow us. 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. The Tech Spec for the lintel states: "As the brickwork mortar matures, lintels of over 1200mm spans should be propped at 1200mm centres. The first thing I noticed is maybe minor. So I need to replace it. 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. Lee Swain New Member. Buy Builders Metalwork at Screwfix. com. 1. Density of thermalite block say 730kg /m3 (depends on specific block used), hence 110kg /m2 for 150mm thick block. When lintels were cast insitu the steel was put in the bottom as this was in tension. Today, with the cr@ppy weather, I have a drip coming from the lintel of a ground floor window. Steel Shelf Angle Lintel. I am building that wall up by one block so I could just lay the lintel on that but that would be 100mm not 150mm at each end. Anyway it cost me £180 to have one installed and they used props to hold up brickwork. Hi I'm currently have a single story extension being built and will be having 3. The distance from the internal lintel to front of bricks is 90mm. From flat steel lintels to catnic steel lintels. Or is there some other method that would work. Some look like they’ve been repaired previously but now have hairline cracks again. 5 masonry bit to punch through as this saves your nice sharp HSS bit from being blunted as you ram it throught the lintel into brickwork. When you use the key to unlock the door, if you leave the key in the lock and open the door the key hits on the lintel above and is prone to snap (as the carpenter found out). etc. Your screws are too short and the self tapping side of things is pointless for this scenario. 8 m wide. Bigger window and lintel replacement. I’m widening the door frames in my house to 76cm ones.