How To Work Out Roof Tile Area
Then proceed to draw the surface area of the roof that has a different pitch.
How to work out roof tile area. L 30 feet h 12 feet 30 12 2 180 square feet. 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. It can also account for the gap or overlap between tiles.
Roof a and b can be calculated separately or together. The roof slope height is 6 98m. A minimum of a 3 inch overlap is required for the tiles. Enter the dimensions below then click calculate to calculate the area.
How many roof tiles do i need. 1 roof square 100 square feet. 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. 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.
The calculation of roofs a and b require a gable height or fall to be entered. Roof pitch affects the actual area of the roof. 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. 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.
Our roof tile calculators will also work out how many ridge hip verge and valley tiles and flashings you ll require. How to use our roof tile calculators. So if you divide your answer of a product of length times height by two you will get the area of a triangle. Use two tiles to determine the spacing required for the battens.
In addition explore hundreds of other calculators addressing math finance fitness health and more. After drawing the perimeter of the roof add a new drawing layer with the plus symbol found in the bottom right corner. There is a separate calculation at the right of the form for a simple shed roof. After you have determined the distance between the first two battens measure the distance and set battens using that.
If the roof has multiple pitches such as those found on dormer windows or porches you will need to draw these separately.