Waste Factor For Tile Roof

With a hip roof you will need to add another 10 to the total number of squares for materials to account for additional waste associated with hip roofs.

Waste factor for tile roof.

The way building products usually work is you will receive a product warranty from the manufacturer and a workmanship warranty from the installer. That s because it is the smaller cut up hip roofs that can often have the highest waste percentage. The 3977 70 is the total of your actual roof measurements. A 7 5 variance of waste on a 30 square roof would be 2 33 squares.

Let s compare two roofs that will have metal tiles installed both with identical roof areas 146sqm. Waste factor in estimating. It could be the difference between winning and losing the bid. That s 500 to 600 variance on the estimate.

Add a roof to the sketch and add an applicable roofing item to the estimate. The average waste factor for clay roof tiles is between 10 and 15 percent although this number may be higher. The waste is 4295 92 95 divisor 4522 02. If the roof has a 10 12 pitch then the equation is 2 864 x 1 3 3 723 x 1 05 3 909 square feet of roofing material.

On the quick entry pad click the item property editoricon to open the item property editor dialog box. If you do not want to add for waste then enter 100 as the divisor. In the waste list select auto calculate. Add the waste factor to the original total square feet.

That would be a waste factor for a fairly cut up roof normally. The sub total is 3977 70 x 1 08 4295 92 pitch has been added for 5 12 pitch. This is how many square feet of tile you need to completely cover the floor allowing for breakage of the tiles and cuts around the perimeter. We will lay the pieces course by course almost as if we.

If you think a standard waste factor will help you save time let s look at an example to illustrate the point. Waste factors simple roofs gable 1 5 complex roofs 5 10 measure height from the bottom of the roofline to the ridge board. This will be automatically selected if you set auto calculate as the default in preferences.