Create an in place family roof at choosing void extrusion.
Roof cutting holes.
Once you have a hole cut through the ceiling and.
Ideally in a section view draw the contourline of the void using the pick line option on the base of the inside edge.
Marking the metal for cutting 1.
If you haven t already determined how big the panel needs to be.
When cutting your ventilation.
Once the roof has its shingles removed you can begin cutting.
There is an easy trick for drawing out the hole.
Putting your vent into the middle of the roof requires that you remove any tiles or slate that may be damaged when you make the hole.
Cutting oval holes in a sloped roof for round pipes when plumbing pipes and chimneys have to go through sloped roofs they are always cut fairly large just to make sure that the pipe will pass through.
Avoid cutting the vent hole between your primary and secondary exits off the roof.
The problem is that a 3 inch round pipe needs an oval hole in a sloped roof.
Lay the roofing sheets on a flat surface with the underside up.
Find a stable surface like a workbench you can use.
Determine the length of the void ideally in 3d view at wireframe mode extend this in order to.
A bit of careful planning can take some of the fear out of this task.
3 hold the saw s blade 1 inch above the roof remove the blade guard and depress the trigger.
For a roof vent this means cutting a hole in an otherwise watertight roof.
Measure along the.
Calculate the number of panels needed for the roof.
Keep these pieces safe for use later.