Waste Factor For Gable Roof

Roof waste calculation accurate roof waste calculator this download requires a 200 donation via paypal.

Waste factor for gable roof.

For example consider a typical 50sq gable roof with 5sq of waste. That being said on a 50sq hip roof with a 15 waste factor for waste real waste and starter shingles your looking at 7 5 squares. A gable roof s square footage is equal to that of a hip roof with the same dimensions. 7 5 squares that s almost half a pallet or over 21 bundles.

Complex roofs 5 10. I charge 10 15 20 waste factor but rarely go that high. If you re a roofing contractor and have worked with insurance claims you ve heard this before. I ve had a few adjusters on really cut up roofs with 3 tabs were they won t pay for ridge cap allow a 20 waste factor.

The average waste factor for clay roof tiles is between 10 and 15 percent although this number may be higher. Unless it s cut to ribbons more than likely you ll have a lot of left over bundles at 15 waste factor. The amount of expected waste depends on the style and quality of the roof tile and on. The difference is in the fewer amount of ridge capping you need and the amount you will waste will be less than that for a hip roof.

Simple roofs gable 1 5. Note that in the last 3 4 years costs of roof shingles and many accessories have gone down by an average of 18 20 currently the us national average for benchmark architectural shingles is around 74 51 square or 25 per bundle. Same size roof now a hip roof at 7 5sq waste. Divide total area by 100 this is the number of squares required.

You also know how ridiculous this is. Measure height from the bottom of the roofline to the ridge board. Length of a shingle. Other simple gable roofs will require cut shingles at the rakes.

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. The only roof that will generate no waste from cutting is that rare simple gable whose roof length is divisible by the 3 ft. Measure the building length include the overhang multiply length by height for the area. 10 for all gable roofs 15 for all hip roofs.