Straightforward & Uncomplicated
How we'll calculate your personal package price
1. MEASURING YOUR ROOFS RISE
First we measure the rise of your roof. This is on average between 40-50°. Using a measuring tape we measure 12 inches on a large level and make a mark at the 12-inch line.
Next, we gain access to your houses at the gable end. We place the level against the gable trim and flat against the side of the house. Using the measuring tape again, we measure from the 12-inch mark on our level up to the bottom edge of your gable trim. This number is your rise.
Each rise measurement is written as “# in 12” and this is creates your roof’s pitch. (For example, if your rise is 4 inches, your roof’s pitch is 4 in 12.)
2. MEASURING YOUR ROOFS PITCH
Once we have your roof’s rise, we divide the number by 12. (For example, if your roof’s pitch is 4 in 12, you would divide 4 by 12. This would yield 1/3.)
We then square the result (if your number is 1/3, squared would yield 1/9) and then add 1 to the number (1/9 + 1 = 10/9). From this we figure out the square root of this new number (the square root of 10/9 is 1.05) and finally have the pitch figure we need.
3. CALCULATING THE AREA
The area is simple to calculate. We measure the length and width of your house (including overhangs). We then multiply your house length by your house width to get the area. (For example, 40 feet x 30 feet = 1,200 square feet.)
Finally, we multiply the area by your roof’s pitch. (1,200 x 1.05 = 1,260 square feet)
4. FINAL PRICE
Then we take the pence per square foot figure for your chosen package and multiply the area calculation to reach a final figure.