steel beams for external slide and fold doors Brickwork, drystone walling, render are a few subjects covered here. Click here to post questions and get answers

[sumc]

I want to replace a single back door with a set three slide and fold doors which are 1901mm wide in total. What size steel beam do i need for this new space?

[stoneyboy]

sumc,
Depends what is above the opening, get a structural engineer or architectural technician to advise you.
end

[TheDoctor4]

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