Wall Plate Dimensions Roof

When selecting a size the plate should completely cover the electrical box opening.

Wall plate dimensions roof.

I was going to use 4 x 2 but i have been told by a friend who is a builder that i should be using 4 x 3. Joints between purlins next to one another should be staggered. When the measurement is equal the plates are square. Another way when the roof is too large for that or there are not four corners is to use the 3 4 5 method shown here to make sure the corners are at a perfect 90 degrees.

Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. As the mortar does not bond the wall plate to the wall steel straps are used to ensure that the roof structure remains secure. 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. Starting at one end measure and mark the plates every 16 inches.

When fixing the wall plates down onto the brickwork if the building is square rectangle measure from corner to corner diagonally. 38 x 100mm or in accordance with local practice. Hi i am building a single story side rear extension on my house. But the tables that follow are a lot more specific.

Standard midsize midway and jumbo. When constructing a roof framework the rule of thumb is that any purlin should have a minimum nominal depth and width of 76 mm or 50 mm and max centre to centre spacing between the purlins ought to be 1 2 m. These are typically 1 2 m long with a cranked end and are fixed to the wall plate at 2 m centres. If the opening is oversized you may need a jumbo plate to conceal it.

Measure the opening to figure out the exact minimum height and width for your plate. To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page. Set the top and sole plates side by side on the floor. Then with a combination square and a pencil extend the lines across the plates.

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. What size should the wall plates be. There are three common wall plate sizes.

This will have a flat roof.