Bill Larson's 'Cabover Roof'

A SHOP AND SHOWROOM FROM SCRATCH: PART 3
A dramatic roofline named for a tractor-trailer.

by Bill Larson
LOCATION: Bemidji, MN


    [EDITOR'S NOTE: This is the third installment of Bill's shop construction saga. Click HERE for Part 1 and HERE for Part 2.]

    The framing crew have come and gone. They did what they were hired to do--frame up the basic structure and leave all the detail work for me.
     With the help of my brother and whomever else would happen by--we had spare hammers for the unwary--we tackled the framing for the "cabover" roof, named for its resemblance to the front of a tractor-trailer rig. It actually looks more like a conventional roof, but we liked the name "cabover" better.
Cabover Construction

     The "cabover" roof is framed on top of a pair of tripled girder trusses engineered to carry the load of the entire center roof system. The massive overhang on the front of the roof is carried with cantilevered 12-in. LVL glue lams. All the overhangs on the building are 4-ft. deep, with the exception of the front of the cabover which is 6-ft. deep.
     The center section of the showroom is under the "cabover". This part will have a barrel vault on the inside with windows on the north face for natural lighting. (actually...the inside is now ready for sheetrock and the framing for the barrel vault is complete but....I figure these photos should come in chronological order.)

. . . Bill Larson


 

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