How To Work Out M2 Of A Roof

How to calculate the roof area of a building roof width m x roof slope height m half roof area m take this example of a perfectly square house with 76m floor space a 45 pitched roof and a 2 35m roof height.

How to work out m2 of a roof.

In the usa you can expect to pay between 3 19 4 43 per sq ft. L 30 feet h 12 feet 30 12 2 180 square feet. Vertical walls abutting a roof must be included in the catchment area. Number of spans for each area of roof divide the sheeting length by the sheeting span and if necessary round up to the next whole number.

For hipped roofs with eaves gutters a simplified formula can be used to calculate catchment area but the slope of the roof must be known. What is the average quote for getting a roof pitched. Roof drainage systems design as nzs 3500 3. Check out the video on how to do this.

Measure length and width start by measuring the length and width of the space in meters using a tape measure or other measuring tool. Then proceed to draw the surface area of the roof that has a different pitch. If your measurement is in another unit of measure centimeters for example then you ll need to convert to square meters. We have some simple area conversion utilities or you can convert yourself.

1 roof square 100 square feet. There are a lot of factors that will affect how much getting your roof pitched will cost design style accessibility cost of labour etc. The roof slope height is 6 98m. The length l times the height h of a triangle is twice its area a2.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Refer to as nzs 3500 3. After drawing the perimeter of the roof add a new drawing layer with the plus symbol found in the bottom right corner.

For asphalt shingles if you choose another material such as metal or wood the range is 7 35 10 73 per sq ft. Area of slope rafter length x roof length x 2 on both sides of the roof with the figures in this example the calculation would look like this. Then add one the length of each batten is the. Outside of the u s a degree angle is typically used.

Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used.