How To Cut Hole In Roof For Stove Pipe

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.

How to cut hole in roof for stove pipe.

So this ended up being a rather large hole especially when compared to the smaller diameter of the single wall pipe. You will need to cut the opening to the roof to extend the chimney pipe. Then shine a bright flashlight through the pipe from the. There is an easy trick for drawing out the hole.

Hold the pipe in place and run it up close to the roof decking. Select angle increment and hit full set to generate and print a full set of oval templates for currently entered pipe diameter. Nobody wants a leaky roof or the damage it could cause to yo. The problem is that a 3 inch round pipe needs an oval hole in a sloped roof.

Cutting any size hole in a roof is bad enough. Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling. Drill a small hole in this spot to mark the chimney s center. Cut and use template to mark and cut sheet to fit pipe at angle.

When installing a chimney for a wood stove on a metal roof you ll first need to assess the position. A single wall pipe will require 18 inch clearance to the ceiling while double wall pipe needs an 8 inch clearance to the ceiling. This is the double wall pipe so it is thicker than the interior single wall pipe. When calculating your chimney pipe size subtract 1 5 inches for each joint overlap.

A double wall pipe needs a 12 inch clearance space. To find pipe end shape not hole in sheet enter 0 for sheet thick. Now that the hole was cut my friend ran back down the ladder and up into the attic so that we could connect the vent pipe through the roof.