Roof Cut Waste

Lots of experiance will determin what waste you need for what type of roof your doing.

Roof cut waste.

Most often the so called waste from offcut material can be reduced to zero yes zero waste. In order to be in compliance with the neshap while using an rb roof cutter or device that similarly damages the roofing material to cut category i asbestos containing roofing material the dust and debris resulting from the cutting of the roof should be collected as soon as possible after the cutting operation and kept wet until collected and placed in leak tight containers. Applicad s unique metal block cutting process is the most effective waste reduction system for metal roof panels in the world. In the waste list select auto calculate.

In the roof material list select your material 3 tab shingles laminated shingles or wood shingles shakes. The shingles need to be cut and part is used as a starter and part is used as a finisher and they are installed in different places on the roof. We normally come in at around 4 5 on gables and around 8 9 on cut up roofs. In the valley list select the valley type for the roof.

Same size roof now a hip roof at 7 5sq waste. If you do not want to add for waste then enter 100 as the divisor. That s because it is the smaller cut up hip roofs that can often have the highest waste percentage. If the roof isn t that cut up you may have a couple squares of waste.

The sub total is 3977 70 x 1 08 4295 92 pitch has been added for 5 12 pitch. That s 500 to 600 variance on the estimate. Open roofing material meets along the valley but it is cut on both sides down the center so that the material does not overlap. Unless it s cut to ribbons more than likely you ll have a lot of left over bundles at 15 waste factor.

The 3977 70 is the total of your actual roof measurements. This will be automatically selected if you set auto calculate as the default in preferences. The amount of waste you have is largely determined by the crews installation techniques than anything else. A 7 5 variance of waste on a 30 square roof would be 2 33 squares.