Would anyone know if there is an issue and what I should expect to pay to get it sorted. 5kn per sq metre. CJR1989 New Member. Smart™ Galvanised Steel Angle | 150mm x 100mm x 12mm. #5. . I'm embarking on building an extension on to the back of my house. There isn't a big enough clearance for the key to miss the lintel. Make up some platforms on trestles or scaffold so you can do the lift in stages. The UK’s leading retailer of trade tools and hardware. 2m) would mean that there would be some minimal loading on the pipe. sandbags89, Aug 29, 2023. ThanksWe want to extend this opening from 46" to 55",I know I need a 1800 x 100 concrete lintel but not sure of what height I need,the 1 fitted is 65 mm many thanks. Begin by drilling a shallow hole on low power before increasing the speed and engaging the hammer feature. I going to go with CN71A (catnic), as it removes the need for two courses of bricks and is strong. Some info: The lintel length will be 1200mm (150mm overhang on each side) but not sure what height and depth to buy. #3. Live in a 1980s semi-detached house and during winter months we get excessive condensation on the recess wall above the bedroom window. 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. The old windows were wooden frame and aluminium. Jord86, Aug 29, 2022. 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. If it was my own place I wouldn't mind as I would remember to take the key out before opening. Sabrefix Gallows Brackets Galvanised Hot Dipped 490mm x 50mm 2 Pack. Also some types of lintels should be propped until the brickwork has gone off to stopping twisting and bending. in the end i had to go to another travis perkins. Install a single leaf lintel (Catnic, IG or Keystone lintels) with 150mm overhang each side. Drilling into a lintel seems like a bad idea, what with it holding up the wall and everything. Trying to put a plug in for a new fixing and getting refusal at 20mm. This could be a RSJ steel lintel or concrete lintel. Typically made from galvanized steel and designed to be installed quickly and safely. It'll need to be galvanised so the exposed soffit doesn't rust. I’m widening the door frames in my house to 76cm ones. Hausfix, Sep 15, 2022. 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). Hello, I just had a random question. New-to-DIY New Member. 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. Hi, I've been having some trouble drilling into a lintel above a couple of windows, I'm fitting new blinds. 4m long with a clear span of 2. 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. He says the padstone is 8" x 4" whereas the steel's footprint is 4" x 4". Post-fixing concrete suitable for all types of domestic fencing. S Builders New Member. The above masonry will need propping before fitting new lintel, you will create more work by building a central pier. Use the smallest bit to drill a pilot hole and work your way up to your required size. 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). Thanks for the advice Phil. So the lintel manufacturers are more likely the ones spreading such tosh. I use a 4mm cobalt bit from the competition (you get a pack of two for a few pence). " It just doesn't give any indication how mature the mortar should be before removing the props - that's why I posted my question. Whatever your steel lintel requirements are, we've got it. Buy online & collect in hundreds of stores in as little as 1 minute! 30 day money back guarantee. 8m opening with a 65mm lintel is capable of 1. I have a Catnic single leaf angle lintel and the lip is 91mm. 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. And there is a wooden frame around the PVCu door frame. 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. when you open the door. From flat steel lintels to catnic steel lintels. 7 metre clear span (max) is capable of 1kn loads an average floor load is 1. The plate is rotten as well, along with some of the joists which are also being replaced. Although I asked the builder, when building the shoulder for the new lintel to use the standard 'brick tie in method' (brick, half brick, brick, etc. 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 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. Buy online & collect in hundreds of stores in as little as 1 minute! Free returns. 31 each (Inc. 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. Also fitted a lintel a lot bigger than the wooden lintel. ), with virtually no risk of the bricks above moving. 2m. Supreme L04 Steel Reinforced Concrete Lintel - 100 x 65 x 1500mm. 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. Discussion in ' Builders' Talk ' started by Andrew De'ath, May 26, 2020 . Rebar is just steel, so any metal drilling bit should be fine. P. So such a short lintel does not normally carry the weight of the masonry etc. Phil the Paver Screwfix Select. This will be like trying to support a loadbearing wall on a folding steel rule. FREE next day delivery available, free collection in 1. Google “ Welsh arch” , and no you don’t need a lintel. My single story extension shed has had the lintel above the door entrance raised from 1. In theory yes you should fit a lintel. A stone head will be sit above and in front of the sash window. 8kn. It's not just a question of replacing the lintel either. We will move the lintol back a bit. Its a 1930's house - not sure when cavities came in. Scotmac, Jun 18, 2016. If you’ve got a brand new drill bit, you’ll find it quick and easy. And some on the lower floor if solid, would be a good idea with board spanning the floor joists at right angles. Wanting some advice. There is no loft above, pictured will provide a better idea of the situation. Don't use one of those saws. Most BCO are happy with this. Hello everyone, I’m after a bit of advice, please. Morning all after a bit of advice on lintel currently installed. I’m looking for some advice on a project I’m about to undertake. But guess main question is does it matter, is there a gap above where the frame of the doors will go, with a metal lintel like that was expecting it to be dead flat especially as second storey still to go: Easier to see in this picture, if I put a long level over at front then rocks on the bend although quite hard to see in picture:Order online at Screwfix. . 0. 32 mm. Discussion in 'Builders' Talk' started by Pawr, Apr 29, 2017. Wooden lintels work just fine - unless you render the outside of your house with Portland cement. Screwfix Community Forum. Nick058162 New Member. Galintel 75mm x 10mm x 1600mm Galvanised Flat Lintel Flat. Support bracket for removal of internal chimney breast. 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. 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. Bed it in nicely, and allow the mortar to set for. The house is 1930s brick and original windows have steel frames set into a wooden frame with a soldier course above. Home Forums > Screwfix Community Forum > Builders' Talk > timber lintel. You need an S/E to calculate the new lintel ( structural works ) which will carry the loads. 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. With concrete up top, a prestressed concrete lintel would not look out of place. i went to the bus station and booked. Aaron Mcculla New Member. Next day pack gap with slate and remove acrow. Discussion in 'Builders' Talk' started by neilbick, Mar 22, 2022. or. If not, it could be cut down to suit. I plan to put L10 IG Steel Lintels in, with a span of 1500mm and 2400mm (includes 150mm overhang at each end) which will carry approx 2-3 courses of brick. Home Forums > Screwfix Community Forum > Builders' Talk > Core Drill Above Lintel. We would like to show you a description here but the site won’t allow us. So, it serve important an fuction & you can't just put a opening in on the ground. We would like to show you a description here but the site won’t allow us. 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. . If they have been there for 15 years then I don't really see the problem. 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. ProDave, Aug 18, 2007. When doing decorating your can see the solider bricks directly above the window frame hence why I'm assuming there is no external. I have exposed the internal side of the concrete lintel above my lounge window as I was adding insulation behind the plasterboard. Probably 200x100. Some lintels are marked top. (Each end of course!!) bigjules, Feb 19, 2008. This will prevent the stones from falling away when they're disturbed. Hi. The standard design figure for a flat roof is 1. £15. com. 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. 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. FREE next day delivery available, free collection in 1 minute. foxer fc Member. Simon74, Sep 13, 2016. Support bracket for removal of internal chimney breast. You will need a lintel calculated for the new length. Then prepare opening to receive new lintel/s and make good brickwork that ends of lintel will rest upon. I would have expected to use accro props with strong bows min of 3 for the big one. 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. Hi Jitender. Looks like a small section has blown about 100 mm long by 10mm deep. I have. the reinforcement steel inside) that is holding the wall above it. 30 day money back guarantee. This gives me a 200mm overlap on each end. I wasn't provided with building regs or drawings and used my 25 years experience during job. Order Rawlplug Metal Wall Plugs 6mm x 32mm 50 Pack at Screwfix. The bricks are probably over-hanging the lintel edges so you can't see anything. 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. #2. 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. I am using an SDS drill with 5mm drill bit. if the 47kN lintel is up to its capacity and spanned say 3m. 1. Supreme L03 Steel Reinforced Concrete Lintel - 100 x 65 x 1200mm. Fitted some windows last year and BC wanted lintels even though the top windows were only supporting a header course of brickwork. If you hit the rebar in the lintel when drilling in to the concrete lintel, its integrity will be compromised. #2. sagging. Sean_ork, Sep 20, 2013. Discussion in 'Builders' Talk' started by Aron82, Nov. There will only be 2 courses of concrete blocks above them then a steel profile sheet roof. Hi I'm currently have a single story extension being built and will be having 3. Andrew Gill Member. Would a 100 x 65 lintel be sufficient given that there is very little weight above or should I go bigger. Put the required lintel spec on a B&Q trade note pad. 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. 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. Everything else has gone fine so far and I don't want to walk away from a home. The screws are spaced out by about 600 mm. Buy Structural Fixings at Screwfix. In the days before lintels, you will always see a relief arch about 4 courses above an opening. All you see is the steel lip and then the bricks. Then cutting out and removing old lintel/s, which will mean loosening course of bricks above. 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. #3. #6. S Builders New Member. If you’ve got a brand new drill bit, you’ll find it quick and easy. CGN, Jan 16, 2022. When I insert the lintel is it best to:-. Use like a regular powdered filler. 8 m wide. Home Forums > Screwfix. All the pressure needs to be down not forwards or back. uk. . Screw a wood trimer over it, and secure the new timber work to that. the biggest rsj may support the weight above, but the rsj might wheigh 25tonnes in which case the footings will start to sink. Notnowvicar, Feb 23, 2023. Render on the wall insulation and fibre glass on the roof insulation. I have a couple rotten joists by the front door (hall) and a rotten lintel above the door on the lower ground floor. Footings and load calculations will be required. 3 high, max 4 metre to apex roof. Del boy 10, Jun 30, 2023. It’s flat and not L-shaped. Even allowing for the dodgy brickwork/bits of. Also is it ok to use a little expanding foam . Steve, just so you know the theory of the concrete lintel. Abrickie Screwfix Select. Clearly there was some major lack of coordination between the brick layers and the appropriate position of the window frames. 2 = 4. We are constructing a new concrete block double garage and the Architect has specified a Catnic lintol for the 3. Jord86 Screwfix Select. I can't use battens side or face fix. tomplum Active 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. stuart44 Screwfix Select. stevie22 Screwfix Select. Mr GrimNasty Active Member. com. It can do, depending on the age of the building. CLEARANCE. The job was due to be done within a month but various delays meant that didn’t happen. 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. PAGE 1 OF 2. However if the lines of influence spread out at 30 degrees there would be no loading on the pipe. The timber lintel above the rear bedroom window is particularly undersized, and has bowed. as it's not only the lintel that has suffered. Notnowvicar, Feb 23, 2023. I have a small window approximately 450 wide to go in my kitchen wall, the wall is block 100mm cavity and then brickwork !trustmark, Oct 22, 2006. The window company said they can put a lintel in but just want to check as I dont want a concrete intel. 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. VAT) prestressed concrete lintel. You could use strappers to tie the blocks into. The lintel only needs to support 4 courses of bricks above the door. Galvanised, mild steel. Discussion in 'Builders' Talk' started by talk, Oct 19, 2008. 6 meter bifold doors in the front of the extension. Upstirs windows were fine as the lintel in the. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel? Discussion in 'Builders' Talk' started by ir, Apr 15, 2010. 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. The inner wall section has already a concrete lintel. No need for structural engineers, no need for expensive steel beams, no need for fuss. The total wall. What lintel is on the outer skin? Or is it an arch. Screwfix Community Forum. Inset lintels and bed in place with mortar. Hausfix, Sep 15, 2022. 8kn. Which would sensibly be a PS concrete type. Home Forums > Screwfix Community Forum > Landscaping and Outdoors > Concrete lintels concreted into the ground to support shed, advice. Discussion in 'Builders' Talk' started by Steve_11, Mar 4, 2021. 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. additional dead weight = 145. I've filled in the gaps around the patio doors but there's exposed lintel on top of both of these. don't drill into the lintel. General mockupHi Guys I have a 100mm block wall internal load bearing which supports the joists only, all stud walls upstairs and all joist sit on the internal wall, my situation is I have an internal door & an opening next to the door divided by another 100mm wall at right angle which encases the oil boiler, total span off 2000mm but supported by a 4x3 wooden. Whatever your steel lintel requirements are, we've got it. 35kg/m2. The problem is at present the existing concrete lintel needs to be either replaced or the load 600-800mm of blockwork above plus some weight of the floor supported by in effect extending the length of the. Screwfix Community Forum. Mr. £29. stuart44 Screwfix Select. 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. The Tech Spec for the lintel states: "As the brickwork mortar matures, lintels of over 1200mm spans should be propped at 1200mm centres. There are timber lintels throughout. This goes in about 20 mm and then hits something and the drill can not make further progress. The wall plate is 2 brick courses above and it has also bowed, causing the. 5 = 7kn/m run. I found this on my son's house, the old wooden windows had been replaced with PVC, their was a lintel on the inner leaf but none on the outer leaf. I think there are several ways the water could be gettig in: (a) there's a crack between the lower course of bricks and the upper side of the lintel, possibly made worse by cable holders penetrating the pointing (no I didn't put those in) and (b) there's a cracks in the. = 509. I would Get it surveyed. Don't use a disc cutter: you will fill the house with dust in nothing flat and SWMBO will get seriously stressed. And all the same to anyone else. I’ve got concerns about how the lintel has been supported. 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 would like to replace the lintels as it got a crack. Nowadays they are often pre-stressed in the neutral plane. Architect has advised to use a box 200 lintel, but what are my options. sospan, Oct 28, 2015. Aug 25, 2022. More Info. The installers need to sort it properly. 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. Current construction brick outside, breeze block inside with cavity. Support bracket for removal of internal chimney breast. We always allow more than this, especially if using very lightweight blocks below, as it spreads the weight a bit more. Discussion in 'Builders' Talk' started by foxer fc, Sep 9, 2023. This may also help with the heights because if an engineer can prove it, you may be able to get away with a beam on the internal skin along with the bottom plate. The centre of the hole will be 120mm above the top face of the lintel. To solve this we fitted a 'Catnic' lintel to support the outer leaf only. Discussion in 'Builders' Talk' started by goldeneye78, Jul 26, 2018. Discussion in ' Builders' Talk ' started by AndyBowen, Mar 31, 2023 . It's solid but I know rust eats through eventually which has scared me a little. etc. Bob Rathbone Screwfix Select. There is a beam resting above the window in the garage and this has caused the metal lintel to bow causing cracking around the mortar of the breeze blocks on the inside wall. $172 11. That would be plenty to go under it and still leave you about 80 - 55mm of lintel to put the acrows onto. From flat steel lintels to catnic steel lintels. 4. I am using an SDS drill with 5mm drill bit. You won't lose any internal floor area and having the thermal mass (ie brick wall and concrete slab) inside the insulation will make a big difference. 23mm (517HR) (1) compare For Angle Grinders Sabrefix Gallows Brackets Galvanised Hot Dipped 490mm x 50mm 2 Pack. 6 mm. 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. CGN, Oct 8, 2015. £177. You'll need to screw PB to the wooden lintels. Its an 80's house. . 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. Has anyone heard of lintels sagging because of a. Discussion in 'Builders' Talk' started by Joe1985, Aug 9, 2021. Catnic do a variety of heavy duty lintels, but at the top end of extreme duty are around £500-£600 for that span. As you found when the lintel bent, the wall did not follow (immediately!). 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. They would be cracking or sagging by now if the lintels aren't enough. I would Get it surveyed. Deleted member 33931, Mar 23, 2016. 31 each (Inc. jpeg File size: 601. You will have a whole load of the house down around your ears. 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. Walls approx 2. I asked if a structural engineer had been involved in this (was involved in other parts of the build. Therefore I think careful considered drilling will cause no problems. 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. Option 2 - I replace the cracked concrete lintel with a new concrete lintel and remove the RSJ. Lintels tend to be of similar design so looking on Standard-Concrete. KBJ Active Member. rogerk101, Jul 1, 2020. I am planning to purchase a semi detached property, which has got 2 concrete lintels inside the integral-garage which supports the wall above. However, there is no bowing of the lintel above the window or any issues with the external masonry. They were happy With my work until they received final bill. 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. 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. 5 wood screw- job done. Hi Im running alarm cable to a door frame but there is a concrete lintel where above the door. As suggested could end up in the big house for doing that . Supreme L02 Steel Reinforced Concrete Lintel - 100 x 65 x. net) would suggest 65 x 100 will be OKThe easiest/most effective solution is to drill into the lintel. The dimensions of the existing wooden lintel is: Width 1100mm. 6m. I am guessing (emphasis on guessing) that the SDS is quickly going through plaster and maybe. #3. so a 140x100 is 140 high as concrete lintels only span a single leaf of bricks. Fixings not included. back in 2016 I had windows and doors fitted. These usually need to be re-cut and a lintel put in, but this is a major disruption both internally and externally. My problem is a long concrete/stone lintel sitting above old metal window and ill fitting wooden door to workshop part of the building. When lintels were cast insitu the steel was put in the bottom as this was in tension. It might be possible to put the doors in with no lintel IF the door header was thick enough. Hello. So the ops 1. OP you're overthinking. The lintel has the same width as the PVCu sliding door. = 184. Screwfix Community Forum. A concrete lintel is not designed to be a acrow, you are well out of your depth. 5m rule. I thought padstones were supposed to be slate or metal! Mr. Now have upvc windows. stevie22 Screwfix Select. This is why is quite important to drill a pilot hole 1mm less than the screw to get a good fixing. I am building a concrete workshop which will have a doorway 1. 4kg/m. I've fit new french doors, uPVC ones. I am putting some blinds up and need to drill into a solid steel lintel. Can then sand down and shape like a regular filler, ready to paint. All the same to me '. Home Forums > Screwfix Community Forum > Builders' Talk > Opening fireplace - lintels. Found a company called watco that do a 2 part epoxy resin filler for. The membrane/cavity box directs the water to the outside via trickle vents. handyman. The fact that you have wooden lintels suggests that your house was constructed before WW2, in which case, it will have used lime mortar for the brickwork. 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. The wall is internal, concrete block partly supporting a loft floor above. One wall I am removing between the kitchen and living room. My solution would be to fit a Catnic lintel above the stone lintel that is a good 150mm wider each side, this would relive the weight off the broken stone lintel. Step 1 - Stripping wallpaper to see plaster board identify existing lintel and remove render. Probably be Universal Beams. The lintel is only their to create the correct size opening for the fire in front of the gas back boiler.