Timber Roof Wall Plate Size

Gable roof plate top layout.

Timber roof wall plate size.

The picture below shows the ceiling joist starts 50mm away from the brickwork gable wall. Also called a wall plate raising plate or top plate an exception to the use of the term plate for a large load bearing timber in a wall is the bressummer a timber supporting a wall over a wall opening see also. These are typically 1 2 m long with a cranked end and are fixed to the wall plate at 2 m centres. As the mortar does not bond the wall plate to the wall steel straps are used to ensure that the roof structure remains secure.

The roof should be braced using at least 100mm x 25mm timber. When constructing a gable roof the ceiling joists are laid out slightly differently. Generally wall plates are in lengths of not less than 3 m. Wall plate is the timber wood that are placed on top of blocks or roof beams as the case may apply so for the fastest way to calculate this is to add the entire walls length and divide by 3 6m to know the numbers of pieces you need.

All bracing should be twice nailed with 3 35mm 10 gauge x 65mm long galvanized round wire nails to every trussed rafter it crosses and to the wallplate. Fixings used to connect the roof structure to the wall plate should be specified according to the roof construction and exposure of the site. So 552 3 6 153 pcs of 2 by 2 timber to buy in the market for ceiling noggins.