Gambrel Roof Connectors
The varied roof lines that are possible with stick frame homes can also enhance curb appeal and market value for some homebuyers.
Gambrel roof connectors. For a rafter to face connector flatten the top flange into the face plate. For gravity loads the system is analyzed as a triangular three hinged arch the ridge connection and the two rafter to plate connections are thought of as hinge connections while the midspan gussets are treated as rigid joints. Thd sku 464074. The gussets top in the gambrel system above designed by the author create a three hinged arch out of each frame which simplifies the load analysis significantly.
Hardware is required at only three points as opposed to nine different joints in the roof assembly of a traditionally framed gambrel making the system considerably easier to build. Simpson strong tie category roof truss and rafter connectors ties and straps for cold formed steel construction. Using a rigid gambrel frame made with 2x12 rafters and glued and nailed plywood gussets the author was able to get a 28 foot clear span. Use a jig when assembling the arches all my cuts were spot on but they all don t go into the supports evenly and when you put the cross piece in if not exact on each one it will adjust the arch one way or the other and then throw off the roof line.