How to install a vent pipe through a metal roof

One deciding factor to which type you will need is the clearance to combustibles around your appliance. A wood burning flue cannot run horizontally , only the stove pipe and the snout of a Tee is allowed to.

The horizontal portion of the pipe should rise not less than one -quarter inch to the linear foot, to insure a good draft. You should not pass a stove pipe through a combustible wall for a hook-up with a chimney flue. For instance, wood -burning stoves will always be vented through the roof of your house, but pellet-burning stoves can be vented vertically through the roof, or horizontally through the wall to the outdoors.

Same with gas stoves — venting can be routed in either direction — vertically or horizontally. Clean the surface of the roof under the flashing. Spread some roofing tar under the edge that is sticking up and bend it back down to a flat surface.

We just built a red iron building with metal siding and roof. My builder told us not to use vents in the roof. Our ac guy and a roofer who came out to fix a problem the plumber caused in the roof wanted to know why we have no vents. Both of them think we should vent the attic space. Our builder told us to use regular insulation in the house not spray.

He said spray would make the house too air tight and not let it breath. I have been trying to research and found that spray foam in the attic would not require vents, but r13 would? We are fixing to insulate the house next week and we have no idea what we need to do? However, I think your construction may be a bit unique. Give me a call at ext if you would like to discuss. Metal standing seam metal roof. Zip system for roof sheathing and foam insulation.

I am planning no soffit vents, roof vents or gable-end vents. Will this work? I want to build the best structure possible. By foam insulation, are you referring to closed cell urethane foam sprayed to the underside of the roof deck? In that case, yes, I think that would work. It has a new metal roof installed on furring strips over an old asphalt roof.

There was no ridge vent in the asphalt or now. The old roof was vented via a whirlybird. I can get the R 30 required by using poly — iso foam board. I am concerned the poly iso unlike spray foam will leave small cavities between the decking and the iso boards so it needs to be vented? What if I use an adhesive to glue the foam boards tight to the decking and spray foam every joint, then could I get by without venting?

Thanks for your post. It sounds like you have a full understanding of the dynamics involved here and have thought this through well. I believe that the polyiso boards need to be foil faced with the foil facing the living space in order to be vapor barriers themseoves.

Please contact me anytime. Todd, We are building new with standing seam roofing on a multi-gable one story roof. For most types of construction, the most effective ventilation is a combination of soffit and ridge vent. It sounds like your home is no different. We have a one-story summer-use lake cottage in Northern NY, that we have been remodeling. There is no ridge vent in our metal roof which we just had installed last summer. I would like to add ridge vent and soffit vents. Soffit vents seem simple enough, but I am not sure how difficult it will be to add ridge vent.

Roof decking goes all the way to ridge beam where it is connected. Thanks so much. Is there any way that you can send me a photo of the metal roof? Frankly, it probably will not be easy. My email is todd asktoddmiller. The failure was bad, thin gauge metal and too many seams. There are black metal roofs that have reflective pigment in the paint and meet Energy Star standards.

Looking for one of those would be wise. Even in reflective pigment, though, black is a hot color. Doing something to create a thermal break between the metal and the roof deck is also very helpful.

We have a one story, sq. It was built in It has a metal roof that has some rusting, but no leaks. The metal roof has no decking on the underside whatsoever. There are vents in the walls up high on each end of the house under the gable. I am not sure if there are soffit intake vents? We could add them though if not. Should we? What is the best way to insulate this home? Is it worth it to spray foam the underside of the metal? Open or closed cell?

This essentially breaks the seal. The same thing applies to damaged sealant. While boot repair is possible, most professionals recommend a replacement. You can simply buy the boot and sealant at your nearest Home Depot or better yet, just contact a professional so he can provide the materials needed and replace it for you. Of course, you have to find the source of a leak. Check vent pipes and the chimney. Try to see if there are water that runs down outside the pipes and chimney.

You may need to look higher up. When in doubt, call a professional roofing contractor. These dangers of a roof leak should scare you into taking care of a leaking vent pipe :. Yes, even the smallest of leaks will have a negative effect on the structural integrity of your home. It serves as a protection against harsh weather elements so you want it to always be in good shape.

When it leaks, it will affect the ceiling and attic. Worse, the water will find its way around your home. It will go down and around your wall, floor, supports and more.

You can also bet that it will wreak havoc along the way. Obviously, this is not good. If the threat of your home crumbling down is not enough to convince you, how about your family falling ill? Leaks will lead to water damage which provides mold and mildew the perfect environment to grow and thrive.

This is not good especially if you have kids and elderlies at home. This is also not good if someone in your family is already suffering from a respiratory issue.

You could be looking at coughing, sneezing, wheezing, difficulty breathing and more. It can also lead to skin irritation. Did you know that leaking can also lead to chemical exposure? As mentioned, water will travel from the source of the leak to all over the house.