I need to vent our metal utility closet doors. 1 3/4 inch thick metal doors. Need to supply ventilation so the heat exchange water heaters will work more efficiently. Now the closets become freezing cold when the water heater is on. Where to get? Grainger?
Doors – How to vent metal doors
closetdoorsventilation
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I just finished our garage this past summer and here are a few things I did.
I insulated the garage door by cutting pieces of rigid insulation foam to fit into each piece of the garage door. You can glue them on and then seal the edges with expanding foam or caulk.
On the side of garage door I installed weather strips and also on the top/bottom of the door so that it is sealed when the door closes.
If you have any windows I would make sure to seal them (I boxed mine in with wood and then caulked). Also depending how you finished the bottom of the garage walls, I would seal the bottom (my drywall buts up right to the cement floor, so I sealed the space with expanding foam and cut the excess away).
Use an angle grinder with a diamond blade. If you don't own one it's an inexpensive but very worthwhile investment.
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Best Answer
You can buy a louvered vent for the door. You can probably find them at your local home improvement store.
I'm assuming this is a standard hollow core door. The hole can be cut using a a standard jigsaw with a fine tooth metal cutting blade. If it is an orbital jigsaw, you want to set it to have the least aggressive cut as possible to ensure a smooth cut.
Use the vent as a template, and mark the hole using a pencil. Neatness counts here, so try to align it as well as you can to the door. The bottom should be at least a few inches from the bottom to avoid cutting into the metal structure inside the door. Once you have done that, begin by drilling pilot holes near each corner and then cut out the remainder with the jigsaw. After, you can clean up the edges by using a file.
The vent can be attached either with self-tapping sheetmetal screws, or with rivets.