How To Work Out Roof Tile Area

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 roof tile area.

The calculation of roofs a and b require a gable height or fall to be entered. There is a separate calculation at the right of the form for a simple shed roof. The length l times the height h of a triangle is twice its area a2. Simply enter the square meterage or footage and pitch of your roof deck and we ll calculate how many tiles you ll need.

Depending whether the roof area is measured horizontally possibly from a drawing or photograph a correction factor is necessary to determine the actual area of the roof. If you are working out how many roof tiles you need this calculation assumes there is no chimney or other section of the roof not covered by tiles. A minimum of a 3 inch overlap is required for the tiles. 1 roof square 100 square feet.

If the roof has multiple pitches such as those found on dormer windows or porches you will need to draw these separately. Our roof tile calculators will also work out how many ridge hip verge and valley tiles and flashings you ll require. Enter the dimensions below then click calculate to calculate the area. 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.

The roof slope height is 6 98m. How many roof tiles do i need. 3 97 x 12 6 x 2 100 04m total roof area when you know this you can work out all the materials needed to complete your project. Given pitch and a horizontal area measurement multiply the horizontal area by a correction factor corresponding to pitch provided in the table below to determine the actual area of the roof to be used in the roofing material calculator.

Roof pitch affects the actual area of the roof. How to use our roof tile calculators. L 30 feet h 12 feet 30 12 2 180 square feet. So if you divide your answer of a product of length times height by two you will get the area of a triangle.

Roof a and b can be calculated separately or together. Then proceed to draw the surface area of the roof that has a different pitch. It can also account for the gap or overlap between tiles. In addition explore hundreds of other calculators addressing math finance fitness health and more.

Use two tiles to determine the spacing required for the battens.