CJR1989 New Member. 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. Prestressed concrete lintels are an excellent solution in providing economical and robust masonry support over door. Discussion in 'Builders' Talk' started by adamgee, May 29,. Nearly every switch drop that is within 6" of the doorway will have been notched into the lintel unless the plaster was thick enough to conceal the trunking/conduit. Joe the Plumber, Feb 17, 2019. I am looking to put a concrete lintel above this which will support a single coarse of blocks and the flat roof. So it is one of their lightweight ranges. The upstairs ones you cannot even see above the solider bricks before you hit the roof. Severntrent Screwfix Select Assuming its a 3" x 4" lintel to C16 grade then calculation shows that strength and deflection wise its in required capacity, calculation was done using a loading nearly 1. If you look at how the soldiers line up with the brickwork at the top of the frame, it doesn't look like there is. 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. New-to-DIY likes this. com. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel. The lintel has the same width as the PVCu sliding door. Hi Jitender. sospan, Oct 28, 2015. Trowel it smooth on the exposed top face. 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’ve taken away the wood surround to expose the brick work behind and I can’t see a lintel. I thought padstones were supposed to be slate or metal! Mr. Add to Cart. Galvanised, mild steel. Prob best to take old beads off. yetanothermike Member. S Builders, Oct 12, 2008. Support bracket for removal of internal chimney breast. There has obviously been a timber lintel there before the pvc cowboys came along and fitted the existing door. If it's only 3 courses (9") would it not be prudent just to fit a upvc infill. 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. #2. 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. Rebuild brickwork above lintel and allow to set. get a longer curtain rail and a length of 22mm (or whatever the metric size is) x 125mm redwood. Grind out the notch though rather than hammer/bolster. I was going to ensure each end of whatever lintel that I get is embedded in the wall by at least 150mm each side. The actual overhang area of the lintel rests in has a greater height (a bricks worth of height). 1/5. The hole i want to make is 18 inch wide x 25 inch high in the inner leaf blockwork. #2. When doing decorating your can see the solider bricks directly above the window frame hence why I'm assuming there is no external. 4m long with a clear span of 2. May be tricker if you have a 'soldier' brick. Screwfix Community Forum. stuart44, Severntrent and CGN like this. sospan Screwfix Select. Its an 80's house. ), with virtually no risk of the bricks above moving. 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. so a 140x100 is 140 high as concrete lintels only span a single leaf of bricks. A new HSS bit should easily carve through a lintel without problem. You can stitch drill out half a brick quite easily and the lintel will then be resting on good solid brickwork. Screwfix Community Forum. Some info: The lintel length will be 1200mm (150mm overhang on each side) but not sure what height and depth to buy. Problems started when the timber were replaced with plastic ones. If you’ve got a brand new drill bit, you’ll find it quick and easy. 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. But if the underside of your foundations are 1. Masonry load above (standard Catnic lintel) 2700mm span. 5-5 mm. Richard_, Oct 5, 2019. I going to go with CN71A (catnic), as it removes the need for two courses of bricks and is strong. Hi, I've been having some trouble drilling into a lintel above a couple of windows, I'm fitting new blinds. Home Forums > Screwfix Community Forum > Just Talk > lintel. It may have been cast in place and bars have gone rusty plus water got in it so it's cracked. the reinforcement steel inside) that is holding the wall above it. Cut a slot with an angle grinder with diamond blade. Andrew Gill Member. The lintel appears to support the gable wall. Any ordinary DG plastic frame will do because The new window will not be supporting anything. Steve_K New Member. Hi, I'm in a predicament with what lintel to put above a garage door, im currently building a 5. 31 each (Inc. 8m) Rather more than a rotten piece of timber strength of not much more than 0kN/m, with the. I’ve got concerns about how the lintel has been supported. Notnowvicar, Feb 23, 2023. 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. Quality SDS drill is what you can do with for drilling concrete lintels , you dont have to buy one you can hire one to save you some expense, cos you get what you pay for you might as well hire a quality one than buy. What lintel is on the outer skin? Or is it an arch. I have. Buy online & collect in hundreds of stores in as little as 1 minute! Free returns. 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. Compare. I figure the lintel does not offer bearing to the bricks above. £23. 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. Buy online & collect in hundreds of stores in as little as 1 minute! 30 day money back guarantee. This would then tie the 2 together. Morning, Any suggestions for fitting brackets where a lintel is in place? I am touching the steel after 15, 20mm. Discussion in 'Builders' Talk' started by shaun1235456, Apr 13, 2017. Install a single leaf lintel (Catnic, IG or Keystone lintels) with 150mm overhang each side. Screwfix Community Forum. PJ Wales Member. 4 metres. Good. Discussion in 'Builders' Talk' started by Lee Swain, Jan 10, 2022. Lintel and Cavity Tray The lintels are obviously different types. Anyway it cost me £180 to have one installed and they used props to hold up brickwork. I do believe there are no lintels. Danblez New Member. 8m. A lintel works with the wall during construction and it is at this point when it is under maximum stress. . Inset lintels and bed in place with mortar. I saw three of the four lintels that the builder took out. Live in a 1980s semi-detached house and during winter months we get excessive condensation on the recess wall above the bedroom window. When I insert the lintel is it best to:-. Use strong mortar (3:1) for bedding. Infill insulation and plasterboard. Steve_11 New Member. 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. 65x1. Jimbo Screwfix Select. 23mm (517HR) (1) compare For Angle Grinders Sabrefix Gallows Brackets Galvanised Hot Dipped 490mm x 50mm 2 Pack. Yes, you need a lintel even though it’s only for 6 bricks and you also really needed it signed off by building control either via the fensa scheme or a BCO. The bricks under the lintol should be kept too the line. If you’ve got a brand new drill bit, you’ll find it quick and easy. Discussion in. You've done structural work so BC should have an involvement. 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. Product Type. #3. 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. 7 metre clear span (max) is capable of 1kn loads an average floor load is 1. At the least you WILL need a lintel. CGN Screwfix Select. I was thinking of buying a 8mm thick 70mm. I’ve got a solid brick wall at around 350mm thickness with an opening of 2. 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. Which would sensibly be a PS concrete type. Steve, just so you know the theory of the concrete lintel. Choose from top trade brands. New Member. I am building a concrete workshop which will have a doorway 1. Supreme L02 Steel Reinforced Concrete Lintel - 100 x 65 x. neilbick New Member. Having the lintel more or less touching the frame isn't a problem, it just shows they measured an manufactured the windows accurately as you don't want big gaps. stuart44 Screwfix Select. 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'. P. #2. Damn, not seen one of those for years. Support bracket for removal of internal chimney breast. House was built in the 1970s. 6 mm. #6. 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. Phil the Paver Screwfix Select. The builder has put a concrete brick in the coving of the RSJ but it is only under lapping the lintel by about an inch. Another possibility is a lintel has cracked but again this is major issue not a £350 invisible repair! Honestly I can not imagine any work that a) a window company would do 2) would cause no disruption 3) would only cost £350. 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. Trying to put a plug in for a new fixing and getting refusal at 20mm. Sabrefix Gallows Brackets Galvanised Hot Dipped 490mm x 50mm 2 Pack. The brickwork is sound apart from the section between the door and window. Support bracket for removal of internal chimney breast. Bob Rathbone Screwfix Select. And some on the lower floor if solid, would be a good idea with board spanning the floor joists at right angles. I reckon the start of my opening will be 450mm away. There is a very small area of the wooden lintel that seems damp and soft (see the left of. 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. Screwfix Community Forum. 28 x 284. Originally it was an open fire when the house was built (around 1850) and then circa 1990s it was changed to a wood burner. Prestressed concrete lintels are an excellent solution in providing economical and robust masonry support over door. It's all right to do but good luck doing it, I have cast insitu concrete lintels in my house and have fitted vertical blinds, what a nightmare it was drilling the lintel, you need to aim for the middle if possible because of the reinforcing wire tends to run along each side, normally a couple of inches in from the edge. The roof is a tiled type goong front to rear and pitched in construction. When you can feel that the drill in nearly through then stop and use your 5 or 5. S Builders New Member. 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 lintels were cast insitu the steel was put in the bottom as this was in tension. CLEARANCE. 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. 3m span is on your lintel that is 1. Discussion in 'Builders' Talk' started by neilbick, Mar 22, 2022. 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. Hi all, I'm moving a door opening 350mm to one side and need to know what lintel to use, the current door way was put in years ago to access the garage and goes through light block wall, above it is 1 and 12 light block which support 3. You should find a wooden lintol behind the arch, supporting the inside brickwork. Hammerman99, Mar 4, 2012. Such as flat steel (on the outside wall) inserted all the way underneath the present lintels, thereby bridging the centre part - with the new window underneath to add additional support. The chimney is now completely out and supported in the loft but the. 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 wooden window is looking like it needs some attention too. 1 windows lintel looks a little rotten so I am thinking it will need replacing. There is 1 window, width 580mm, where I cant put the lintel without changing the. The lintel will only be supporting the bricks up top the height of the current soffit. ElecCEng, Aug 27, 2020. 5 for the floor load and doesn't leave much for the brickwork and any roof loads on the wall. Discussion in 'Builders' Talk' started by Aron82, Apr 18, 2021. Parts of cracked block have moved inwards into the room: the small piece I’ve labelled A has moved into the room by about 2mm, and the larger piece B has moved into the room by about. 'I-beam, H-beam, girder, lintel, Rolled Steel Joist, Rigid Steel Joist etc. 1,The lintel on the brickwork should realy have a bed under it but not essential. Wooden lintels work just fine - unless you render the outside of your house with Portland cement. e. What would be the name of the lintel i. The old windows have no lintel, I read in the good old days the wood was strong enough to support bricks. The lintel has failed at the end, you can see outside where the end has been patched up. I have no idea how to overcome that as the brackets will not hold up when. I merely pointed out that there is usually more than ONE correct terminology for the same thing. On the ones without a steel lintel a roll of 18inch Hyload could be used to form a tray, or sometimes lead. Would anyone know if there is an issue and what I should expect to pay to get it sorted. The centre of the hole will be 120mm above the top face of the lintel. CGN Screwfix Select. Click & Collect. so a 140x100 is 140 high as concrete lintels only span a single leaf of bricks. 60 metre garage out of 6 inch solids, the span of the door is 4. I wasn't provided with building regs or drawings and used my 25 years experience during job. You'll find building control will say it doesn't comply with modern standards. multiply by a FoS of 1. This is why is quite important to drill a pilot hole 1mm less than the screw to get a good fixing. rogerk101, Feb 16, 2022. 2m. Probably be Universal Beams. It can do, depending on the age of the building. Mr GrimNasty Active Member. Above one of my windows is a crack going along what i presume is a concrete lintel, is this dangerous and. 5 inches). However this only appears to work for some drill holes and not for others. You will have a whole load of the house down around your ears. Afternoon all I’m about to put a single skin lintel in above a window before putting patio doors in. Choosing the correct drill bit is essential to avoid injury, damage to the material and damage to the drill. 4 metres. 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. CLEARANCE. Do I need a new full length steel lintel bridging the whole length, inside and out. PAGE 1 OF 2. 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. D. I would like to replace the lintels as it got a crack. 6m. . Google “ Welsh arch” , and no you don’t need a lintel. 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). Â, Feb 21, 2006. sorted. Lintel. Next day pack gap with slate and remove acrow. The lintel only needs to support 4 courses of bricks above the door. Would a 100 x 65 lintel be sufficient given that there is very little weight above or should I go bigger. The screws are spaced out by about 600 mm. And, the bricks above that lintel are going to likely fall oot too so will need rebuilding after the new lintel has been put in. thanks for the advice about not needing a. Home Forums > Screwfix Community Forum > Builders' Talk > Securing BiFold head into Keystone Lintel. Screwfix Community Forum. Or hire a builder for a day. 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. All the repair would be done from the inside. this has left a gap between the lintel and brickwork above to be around 2” one side and about 3/4” the other side. Fitted some windows last year and BC wanted lintels even though the top windows were only supporting a header course of brickwork. #2. in the end i had to go to another travis perkins. Hi. 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. stuart44 Screwfix Select. My question is what is better a concrete lintel ( Supreme Concrete Prestressed Textured Concrete Lintel 65mm x 100mm) from travis perkins or a wooden lintel also from travis perkins ( Sawn Treated Timber Regularised C16/C24 75mm x 100mm x 3. Most probably yes. 3m span is on your lintel that is 1. Buy a few and return them if it turns out that they weren't needed. SJ, Dec 15, 2003 #2. Supreme L03 Steel Reinforced Concrete Lintel - 100 x 65 x 1200mm. I have used 10 mm x 100 mm frame screws made by rawlplug. 99 Inc Vat. you are asking a question that can not be answered over the net, a little stupid me thinks. Anyone could help to explain their advantages and dis vantages. If you can't move it, then I wouldn't get too worked up about the bearing, provided the brickwork above the lintel is properly keyed into the adjacent wall. stuart44 Screwfix Select. Prevent heating of the drill bit by using water. 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. I'm embarking on building an extension on to the back of my house. Handyandy Screwfix Select. If windows were fitted by a window company then they should have notices this at the surveyor. CGN, Jan 16, 2022. Easily secure a wide range of applications in place. It's often cheaper to use steels with a plate welded on for the face work. sospan, Feb 9, 2017. Drilling into a lintel seems like a bad idea, what with it holding up the wall and everything. Remove loose paint and wire brush lintel, then dust down. You could use strappers to tie the blocks into. 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. This will prevent the stones from falling away when they're disturbed. From my experience BC have asked for accompanying calculations for every steel or lintel I have ever fit. From flat steel lintels to catnic steel lintels. Your screws are too short and the self tapping side of things is pointless for this scenario. Non composite are designed to take point loads, for example a joist sitting straight on top, composite need 3 courses of brickwork first. When he finally turned up on site, he said the existing lintel wasn’t big enough and we’d need a new lintel. 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. tore81 Screwfix Select. This supports 2 seperate steel lintels. Hi. The wall is very cold to touch during the. Home Forums > Screwfix Community Forum > Builders' Talk > timber lintel. " It just doesn't give any indication how mature the mortar should be before removing the props - that's why I posted my question. Any advice greatly appreciated. Jord86 Screwfix Select. Alfie Johnson New Member. The doorways have four runs of blockwork (not the aerated sort) above them in a bungalow. 2m) would mean that there would be some minimal loading on the pipe. 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. Discussion in 'Builders' Talk' started by Pawr, Apr 29, 2017. handyman. if 1200mm or less, 100mm bearing is sufficient, if greater than 1200mm, 150mm minimum bearing required. Step 1: is the lintel man enough to carry the loads? Step 2: install following manufacturers instructions to prop during brickwork as span > 1500. 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. e. Perhaps a better question would be are most/all window lintels no higher than a course of bricks - i. 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. 7 metre clear span (max) is capable of 1kn loads an average floor load is 1. Click and Collect is available or enjoy free UK delivery on selected orders over £150 ex VAT. rogerk101 Screwfix Select. Order online at Screwfix. The bricks are probably over-hanging the lintel edges so you can't see anything. ) stacked on top of each other he. As a temporary fix, hubby screwed a heavy-duty angle bracket (like for a roof joist) into that corner, and wedged in another "jamb" on that side. Scotmac, Jun 18, 2016. Retract the bit every 10 seconds to remove debris from the hole. #2. It’s all a bit awkward, as it’s where near where my water and electric mains come into the house and there is some legacy mess of the electric box and a bunch of cables etc. My issue is that I cannot seem very to find the same width and height lintel at 1. . Discussion in ' Builders' Talk ' started by tore81, Jun 26, 2022 . Hopefully the picture helps. VAT) prestressed concrete lintel. There isn't a big enough clearance for the key to miss the lintel. To prevent corbonation it must be vibrated and the mix. This goes in about 20 mm and then hits something and the drill can not make further progress. A concrete lintel is not designed to be a acrow, you are well out of your depth. Also is it ok to use a little expanding foam . Home Forums > Screwfix Community Forum > Builders' Talk > Lintel type. " It just doesn't give any indication how mature the mortar should be before removing the props - that's why I posted my question. Home Forums > Screwfix Community Forum > Builders' Talk > Core Drill Above Lintel. Have you fixed the leak above them, because if not, that's. I've some concerns about whether or not the job has been done properly. The lintel will need replacement as it carries the roof weight almost directly with not many courses of brick above for buffering and spreading the weight. 22 each (Inc. Therefore I think careful considered drilling will cause no problems. Typically made from galvanized steel and designed to be installed quickly and safely. 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. Discussion in ' Builders' Talk ' started by Andrew De'ath, May 26, 2020 . 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. additional dead weight = 145. Read the table on you link your 65mm lintel over a 2. Phones getting used. beam direct onto the brickwork. Lintels 44 products Compare Sort Sort Expamet Concrete Lintel, (W)100mm 7 options (3) £ 13. I think the boot lintels could be twisting causing the issue? I know the cracks are not very big, but if there is an issue I would like to get it sorted before it gets worse. Ian Dingwall New Member. Screwfix Community Forum. there are 4 catnic lintels that will do a solic 9 inch wall, all with various strengths I have now found out. Is a stressed concrete lintel suitable for this job (like a wide doorway)? Or should I put a steel section in there? Thanks. Hi Im running alarm cable to a door frame but there is a concrete lintel where above the door. Ask a question. Don't use one of those saws. Notnowvicar, Feb 23, 2023. Hi All, New member so go easy I am thinking of converting my garage and putting Bi-Fold doors in the side. Home Forums > Screwfix Community Forum > Builders' Talk > Lintels. There will be guidelines on Birtley's website: what else do. stuart44 Screwfix Select. You will need a lintel calculated for the new length. I've uncovered the metal lintel (installed in 1990) and it looks pretty rusty. S Builders, Oct 12, 2008. forever i said! I'm hear all week! Major Mal Funxion, Jun 26, 2008 #1. This lintel will be re used for one window. 4 - put two 100mm lintels from partition. 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.