Log Purlin Roof Construction

In lightweight timber roof construction under purlins were used to support rafters over longer spans than the rafters alone could span.

Log purlin roof construction.

100 of the bearing surface is in contact at the member connection. In homes with full second floors the main level ceilings often use log beams for overhead looks and to support the ceiling which is also the upper level floor. Depending on the design of your log cabin our home timberhaven has four roof options from which you may choose. A purlin plate in wood construction is also called an arcade plate in european english under purlin and principal purlin.

For our friends jack and bob there was no doubt they wanted timberhaven s beam purlin roof system in their dream log home. With this layout the upper level which is typically framed construction rather than log the ceiling slash roof can use rafters and purlins to add log elements. Let s take a closer look at this particular roof system along with some other roof options. Under purlins were typically propped off internal walls.

Whether a log home or outbuilding for personal use or a majestic hotel or visitors center for a national park most log buildings share one of two roof structures purlin or rafter. A purlin roof uses additional courses of horizontal logs to tie into the gable logs. Metal roof purlins are installed horizontally under metal roofs. The term plate means a major horizontal supporting timber.

Beam purlin 6x8 rafter 2x cathedral and pre fab truss. For example an 8 x 4 under purlin would support the center of a row of 6 x 2 rafters that in turn would support 3 x 2 roof purlins to which the roof. They give added support to the roof and also provide a nailing surface for the end panels and drip edge. We can supply logs or timbers for trusses purlins posts and floor joists.

They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top. Roof systems precision joinery sets our log and timber roof systems apart from the rest. Purlin plates are beams which support the mid span of rafters and are supported by posts. Our machinery can produce logs up to 32 in diameter.

Last week you learned that members of a beam purlin roof system are both exposed and structural. The log connection is a leading producer of quality hand crafted log homes log cabins custom log homes and post and beam style log homes. By supporting the rafters they allow longer spans than the rafters alone. Purlin plates in wooden construction.