How Cut Roof House

Use a straightedge to help you transfer the angle you marked on the siding.

How cut roof house.

Use a tape measure to measure the entire width of your building. Before you start cutting you first need to determine how long your roof rafters need to be and the angles at which you ll cut the top and bottom of the rafter. If there is an issue how to cut corrugated metal roofing the most reliable option would be using electric scissors. Project step by step 15 roll out the self stick underlayment.

Make sure the underlayment lies smooth before you nail the top edge. Then you put the metal roof on the sturdy surface and switch the underside face of the roof. After reclining the surface you need to estimate the cutting line by using a mark and a calibrated tape. Lay the roofing sheets on a flat surface with the underside up.

Protect the roof against ice dams and windblown rain with self stick ice and water. Measure the width of your building. To measure the roof accurately you should find a fixed surface. Sheet metal shears with parallel or angled guillotine knives and a circular saw are often used for cutting of sheet metal onto strips or workpieces.

Flip them so the proper side faces up before you pin them in place with adjustable clamps. The underside is flatter than the top edge making it easier to cut across. Because you have to control the panel while cutting the sheet. Measure the bottom piece of siding to the proper length which is the length of the wall to the roof line minus 2 inches.

Peel off the bottom backing.