How To Work Out Roof Area For Soakaway

Then measure the width of the gable end or the hip end and divide this number by two.

How to work out roof area for soakaway.

Write this figure down on a notepad. Write down on the notepad the figure that you get after dividing by 2. Calculating the roof area. If surface water from roof drains to driveway calculate roof area if water drains from roof to drive surface calculate area.

Then multiply this by roof pitch factor varying degrees of pitch affect this as shown in table below. Roof area in m divided by 40 volume of soakaway in m axbxc volume is measured below incoming pipe and above top of foundation. 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. Measure the length of the roof from one end to the other along the eaves.

How to calculate the roof area of a building. 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. So 10 l x 6 2 w 30 m2 is roof area of one side of roof. Calculate the volume of soakaway.

The roof slope height is 6 98m.