A reader's Roofs and roofing question: Ridge length?

Craig Mc.   from   Cumnock United Kingdom   had this ridge length question.

Hi there bill, my question is: how to determine the length of what the ridge board is on a hipped roof?

Bill's reply

Hi Craig,

Length minus width plus one rafter thickness.

The ridge timber is the full length,measured to outside of wall or wall plates, less the width. Then you add the thickness of half a rafter at each end, so that really you just add one rafter thickness.

Check out the sketch here click on "marking out the ridge" at thetopof the page. Cheers from Hoi An in central Vietnam. Bill.

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Please Note! The information on this site is offered as a guide only!  When we are talking about areas where building regulations or safety regulations could exist,the information here could be wrong for your area.  It could be out of date!  Regulations breed faster than rabbits!
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