rich1.0Joe (npub1s3…uexqx)https://yabu.me/npub1s3vq29fy9ly3k6lvtxytdap7gmc9ct092cfwpmzpemxmfgs9nuvq4uexqxnjumphttps://yabu.mejust remember what i explained earlier. its all about not starting a fire by the hot exhaust pipe being in contact with flammable wall/roof material. if you insulate that pipe from rhe flammable materials, it should be fine, and thats whay the proper pipe does inherently.