How To Cut Hole In Roof For Stove Pipe

Place the chimney where it would be related to the stove and mark the center of the chimney on the ceiling.

How to cut hole in roof for stove pipe.

Then shine a bright flashlight through the pipe from the. When calculating your chimney pipe size subtract 1 5 inches for each joint overlap. The roof flashing may be the hardest part to installing a chimney pipe for a wood burning stove. Hold the pipe in place and run it up close to the roof decking.

When installing a chimney for a wood stove on a metal roof you ll first need to assess the position. To find pipe end shape not hole in sheet enter 0 for sheet thick. 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. Select angle increment and hit full set to generate and print a full set of oval templates for currently entered pipe diameter.

This is the double wall pipe so it is thicker than the interior single wall pipe. The hole needs to be taller than your pipe diameter as the pipe isn t passing through the roof at a perpendicular angle. 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.

A double wall pipe needs a 12 inch clearance space. Cutting any size hole in a roof is bad enough. There is an easy trick for drawing out the hole. The problem is that a 3 inch round pipe needs an oval hole in a sloped roof.

Nobody wants a leaky roof or the damage it could cause to yo. A single wall pipe will require 18 inch clearance to the ceiling while double wall pipe needs an 8 inch clearance to the ceiling. Building code requirements state the opening had to be larger 1 or 2 than the pipe on all sides.