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Steel or concrete lintel for bi-fold patio doors?

I'm going to install 8ft bi-fold patio doors in my lounge. I have a 3ft window which is obviously coming out. What size lintel will I need and will I need a steel or concrete lintel? The length from wall to wall is 10ft, so is that the size lintel that will be needed? Thanks

1 Answer from a MyBuilder Window & Door Fitter

Best Answer

You need a structural engineer! And building regs!!


Answered 10th Mar 2014

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