Roof Wall Plate Size

This is to let the common rafter fit in between later.

Roof wall plate size.

The picture below shows the ceiling joist starts 50mm away from the brickwork gable wall. For electrical boxes crowded with wires you may want a wall plate with greater depth. These are typically 1 2 m long with a cranked end and are fixed to the wall plate at 2 m centres. A second layer of dimensional lumber is always fastened to the top plates of the erected.

This will provide extra room for the wires making installation easier. Where trussed rafter roofs are not subject to uplift a minimum of two 4 5mm x 100mm galvanized round wire nails skew nailed one on each side of the trussed rafter or truss clips fixed in accordance with the manufacturer s instructions are acceptable. As the mortar does not bond the wall plate to the wall steel straps are used to ensure that the roof structure remains secure. 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. Despard wall plates also known as interchangeable wall plates or stacked wall plates are a type of space saving wall plate popular in homes built pre 1950. More often than not the roof structure is assembled from a series of roof trusses. These rest on wooden wall plates and are designed to span the walls of the house.

Gable roof plate top layout.