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Question DetailsAsked on 2/26/2018

Enter your question...How much does it cost to install a 10' lol beam for loading bearing wall?

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2 Answers


You are in luck - lot of fairly recent previous questions like yours, with answers - the first below has links to many more - then I added some more links, but many ormost of them are probably in the first answer link list, so keep track of the questionid numbers (from the URL's) you have already read through. Note some of these are for longer spans - but doubling the length of the span generally (not always) increases the cost by far less than double).

Answered 2 years ago by LCD


BTW - a 10' LOL beam would be one that is way too small for the job - hence the contractor LOL's (laughs out loud). I think you meant LVL - laminated veneer lumber, which is a beam built up by gluing together a number of layers of wood into a beam. Personally, unless you have a specific reason to use LVL, I prefer true solid wood beams unless you are getting beyond the normally available dimensions (in which case steel might be the answer) or at worst, engineered plywood joists where the web of the beam is plywood and the flanges are wood, like this -

but PLEASE, built with real plywood, not particle board or OSB as shown above. Particle board/OSB and LVL have identical issues - aside from being inconsistent in the fabrication, the glue fails over time, especially if exposed to moisture. Though I have seen LVL's delaminate in perfect indoor conditions too, because as the beam gradually sags under load (as most materials will) and the glue joints end up carrying an undue portion of the load because of that because the glue is not as elastic, and fails. A basic case of strain incompatibility which the manufacturers choose to ignore - has caused some pretty pricey replacement jobs with large span beams where the laminations separate into individual boards, the stack of which has dramatically less load carrying capacity than the intact beam.

The other big problem with them is because of the failure mode involving the glue, their failures tend to be more rapid and catastrophic than dimensional lumber, which as it fails starts deflecting dramatically and can in almost all cases actually distort quite amazingly and become terribly cracked before failing, giving lots of warning of its impending failure.

Answered 2 years ago by LCD

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