Roof Wall Plate Size
As the mortar does not bond the wall plate to the wall steel straps are used to ensure that the roof structure remains secure.
Roof wall plate size. These are typically 1 2 m long with a cranked end and are fixed to the wall plate at 2 m centres. Fixings used to connect the roof structure to the wall plate should be specified according to the roof construction and exposure of the site. Upper wall plate top plate or ceiling plate upper wall plate which is fastened along the top of the wall studs before the wall is lifted into position and on which the platform of the next story or the ceiling and roof assembly rest and are attached. A second layer of dimensional lumber is always fastened to the top plates of the erected.
When constructing a gable roof the ceiling joists are laid out slightly differently. More often than not the roof structure is assembled from a series of roof trusses. 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. This is to let the common rafter fit in between later.
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. This will provide extra room for the wires making installation easier. 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.