More than 600 millimetres by definition but usually 1200 millimetres or more.
Post and beam roof systems.
Log timber truss works.
Typically 2x12 spruce rafters 2 o c.
These timbers are then tied together with collar ties the horizontal members and gusset plates the metal fasteners as you can see in the photo below right.
This is an economical roof system with beautiful exposed support beams.
We supply heavy post and beam for commercial or residential projects.
And cdx fir plywood.
Post and beam home design.
This truss is favored in heavy timber construction in situations where wide clear spans are required and where a different structural member would obstruct the view of gable end windows.
The first roof area is constructed with heavy timbered components that are secured to the ridge beam and second floor beams.
Exposed ridge beam collar ties or purlins for cathedral areas as required and 6x8 douglas fir plate beams.
A typical wall section is pictured above.
Basically the post and beam system is a skeletal framework of decking beams and posts supported on a foundation.
The hammer beam timber truss elegantly distributes the roof load extending weight down through the first floor system by way of heavy posts.
Venting the roof is extremely important.
First roof area assembly.
It is suitable for any location in canada.
The timber frame is fastened to a 2x floor system stress skin panels are attached to the frame doors and windows are cut in and a cold roof system is incorporated into the roof.
Po box 429 corvallis mt 59828.
Of course many projects have unique systems but the basics are typical.