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New lintel required or will flat steel strips do?
calvr1ch
Posts: 20 Forumite
Hi
We are currently having new french doors installed which meant taking out an existing window 900mm and opening it up to 1500mm to accommodate new french doors. There is a concrete lintel in that was above the window but my builder has put in 2 - 10mm thick steel strips about 3" wide 1 on the brick course and 1 on the block course. He is leaving the existing lintel in place. Is this ok or should there be a proper lintel going in?
We are currently having new french doors installed which meant taking out an existing window 900mm and opening it up to 1500mm to accommodate new french doors. There is a concrete lintel in that was above the window but my builder has put in 2 - 10mm thick steel strips about 3" wide 1 on the brick course and 1 on the block course. He is leaving the existing lintel in place. Is this ok or should there be a proper lintel going in?
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Comments
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If he has done the sums to show it's ok (and building control agree) then go with that.
My gut feel is he taking the mick and should put a proper 1800mm lintel in to carry the load0 -
Does sound like a bit of corner cutting. If it was my house I would be asking building regs dept for their take on it.0
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depends what the load is above it, if it's just a couple of courses of bricks & the plate then it's prob ok, if it's the upstairs wall then noI'm only here while I wait for Corrie to start.
You get no BS from me & if I think you are wrong I WILL tell you.0 -
I wouldn't accept this arrangement without professional advice.
I seem to recall that 10mm flat bar should not be used for openings of more than one metre.
From work that I have done where building regs apply :
- steel lintels have to have corrosion resistance (usually galvanisation)
- a flexible dpc or cavity tray must be installed
- weep holes should be provided above the lintel
- attention has to be paid to insulation issues.
There are British Standards for lintels and their installation . A bit of googling recommended on this subjectForgotten but not gone.0 -
Sounds a total bodge up to me. There is no way he has done any calcs or even done anything similar before. Strips of steel laid flat,?:D:D, my apse. They ad noting structurally, they form a spring.
And doing the calcs would cost about the same as installing an I beam or catnic, and every builder with experience could safely estimate what is needed.I like the thanks button, but ,please, an I agree button.
Will the grammar and spelling police respect I do make grammatical errors, and have carp spelling, no need to remind me.;)
Always expect the unexpected:eek:and then you won't be dissapointed0 -
steel strip has no structural strength. to have strength it needs to be fabricated into a box section, i.e., to form a beamYou scullion! You rampallian! You fustilarian! I’ll tickle your catastrophe (Henry IV part 2)0
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I will give building control a call to see if they can come out before he finishes on Friday as I have a feeling I may not see him again....:(0
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I will give building control a call to see if they can come out before he finishes on Friday as I have a feeling I may not see him again....:(
You will if you've done right and not fully paid him??????I like the thanks button, but ,please, an I agree button.
Will the grammar and spelling police respect I do make grammatical errors, and have carp spelling, no need to remind me.;)
Always expect the unexpected:eek:and then you won't be dissapointed0
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