Roof Plate Timber

In the uk the term typically refers to a length of timber bedded on mortar on top of the internal leaf of an external cavity wall.

Roof plate timber.

Historically crown posts were called king posts but this usage is confusing and obsolete. Getting the wall plates or top plates as they are sometimes called right is important because all the ceiling joists roof rafters hips etc. These are great for pergolas timber framing trusses and a lot more. Like a frame on a fine painting a beautiful timber framed structure is not complete without the mass and strength of steel plates.

We make these custom steel connector plates to your specifications. Facial brackets or truss plate connectors. This provides a fixing point for the feet of rafters and distributes the load exerted by the roof structure down through the walls without creating pressure points where each rafter meets the wall and also acts to prevent wind uplift. A crown post is a term in traditional timber framing for a post in roof framing which stands on a tie beam or collar beam and supports a collar plate.

Collar ties rafter ties tension beams structural ridge beams. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Some of these can support the roof and prevent ridge sagging and wall spreading.