Timber Frame Roof Details

Timber frame standard details september 09 building 1 grosvenor court hipley street old woking surrey tel.

Timber frame roof details.

2 heavy timber construction details. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. The original roof was built using purlins beams extending between gable ends. There is a hierarchy of timber framing at work here with trusses supporting the ridge and purlin beams.

Line length is the hyptenuse of the triangle whose. 44 0 1483 769518 fax. Timber framing in america is an art of craftsmanship brought by the settlers in the 1500 s. If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12.

The roof sheathing consisted of inch thick wide pine boards nailed to the purlins and thick enough to resist much sagging. Figure 2 2 roof framing terms. A timber frame truss roof with ridge beam purlins and common rafters is a stunning combination that creates visual interest and structural complexity. 44 0 1483 770863 e mail.

Shipwrights were the original american timber framers. Wood frame or glued laminated arches for roof con struction which spring from the floor line or grade and do not support floor loads shall have members not less than 6 inches nominal in width and 8 inches nominal in depth for the lower half of the height and not less than 6 inches nominal in any dimension for the upper half of the height.