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Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Improved Comfort Perfect way to cool your workshop, home gym or man cave. They would have to cross a metal Louvre that closes when the fan turns off and then they would have to climb another 1- 1.
After that they would need to either build another ' in height to get to the roof above or mushroom cloud out around the fan by feet. I'm thinking by the time this happens all the wood, gasoline, and other flammable items in the garage would have gone up in smoke. Is it probable that if I ever have to sell my house I'll have to remove the fan and re-sheetrock the attic, yup, but nothing that I can't do in an afternoon. While i was installing the fan I put a thermometer up in the attic with me p.
After the install I turned the fan on high and took a shower 15 minutes after the shower I checked the thermometer and it was below degrees. Not to shabby I say. I think you're underestimating the speed that fire spreads in an attic space.
The issue isn't flame height; it's the superheated combustion gases that create a flashover condition which ignites the entire attic. It can turn a contained garage fire into a whole house fire in a few minutes. An intact firewall will provide at least 15 minutes of protection some up to 1 hour which allows enough time for the fire department to arrive and extinguish the garage fire before the whole house is engulfed. It is worth considering a ducted output on the exhaust fan to a gable or roof vent to make a much safer installation.
Hope the worst never happens, but it's always good to be prepared if it does. Glad it seems to be working for you. You have told us the temp in the attic, but what about the temp difference in the garage? Ben has it right. Most fire spread is by convection of fire gases, not by direct impingement of flames. The reason why attic fires are bad are really twofold.
Not only are they hard to find and extinguish, but the void spaces allow travel across the whole underside of the roof, not just a single compartment. This leads to early failure of the roof due to exposure of the trusses to fire. Fire spreads in very predictable patterns. First vertically until it is blocked, then horizontally.
The smoke has two effects, it preheats surfaces in advance of the fire, and contain byproducts of combustion that can ignite when the ceiling temp reaches a high enough temperature.
When you cut a hole in your ceiling sheetrock in the garage, you lessened your fire protection. That said, there are a couple of things you can do to minimize but not eliminate your risk:. Install a rate of rise or other kind of heat detector in the shop to allow early detection and dispatch of fire units.
Not a smoke detector, they falsely alarm when confronted with dust. Lay out oily rags flat on a non-combustible surface to let them dry. There are many reasons a whole house fan is a bad idea, as I already linked to. But, definitely in this scenario it is a dangerous solution.
Btw, I actually ran it by my co-worker who is a fire commissioner, also. Guys I appreciate your advice and will look into installing a heat detector into my homes fire detection system. The other items discussed I've already got installed, fire extinguisher etc. The temp in the garage didn't drop a whole lot maybe 2 degrees or so. What the fan did do for the garage is create a cooling airflow. Fans don't cool the air though they simply create a breeze to get the stale air moving around.
I don't run the fan all day I will typically turn it on when I get home and kick the AC down for the evening, typically turning it off after about an hour. I thought long and hard about the possible fire risks associated with the install of the fan. In the end I decided to do it for reasons I've already stated. Is it doing what I wanted it to do? One thing about keeping your attic cool is that your shingles will last longer. I've experienced what happens when an attic doesn't breathe.
It causes the shingles to bake, become brittle and start to flake. Yes, speaking from experience. Having reshingled the roof, I had a ridge vent installed and it has brought the attic temps down and in winter I no longer have issues with ice damming. You can post now and register later.
If you have an account, sign in now to post with your account. Paste as plain text instead. Only 75 emoji are allowed. Furthermore, consider how many chemicals, poisons and exhaust fumes you have in your garage. Things like pool supplies, car-care chemicals, glues, pest-control products and even lighter fluid for lighting the grill can pose a risk. Car exhaust alone contains dangerous and deadly particles that can cause cancer and can be brought into your household each time you open the garage door.
If you install a wall-mounted garage exhaust fan typically on the opposite wall of the door that leads to your home you can reduce potential toxic car fumes from getting inside your home.
You should think about putting your fans on some sort of timer which will allow them to operate for a few hours to ensure objects are being cooled down efficiently.
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