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Mushroom Vents

 
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Old 04-09-2014, 06:25 AM   #1
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Mushroom Vents


When you guys do a roof, do you always remove an old mushroom vent with a new one?
The one i am seeing is in perfectly good working order. I imagine we could properly flash it.
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Old 04-09-2014, 07:48 AM   #2
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Re: Mushroom Vents


I'm "assuming" you are talking about a box or turtle vent. I've never heard them called a mushroom vent. Anyway, vents are pretty cheap comparatively speaking.... why not just replace it with a new one? If you are talking about a turbine vent which does sort of resemble a mushroom, while they're a little more expensive, with the moving parts, I'd say it's even more important to replace them.

Kinda like re-using your oil filter when you change your oil. It just doesn't make sense not to do it. But, maybe that's just me.

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Old 04-09-2014, 04:22 PM   #3
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Re: Mushroom Vents


Replace it. By now its sun faded and old looking.
Replace all flashing too .
Re-use nothing!
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Old 04-10-2014, 09:04 PM   #4
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Re: Mushroom Vents


I think he's talking about a power vent, not a 750.

Highly-pathetically speaking you might be able to. The motor also might give out any time since it's probably been on there 20 years.

I think I pay $80 for them? Worth every penny and you can match it with the rest of the flashing you're replacing.
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Old 04-10-2014, 09:52 PM   #5
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Re: Mushroom Vents


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Originally Posted by smalpierre View Post
I think he's talking about a power vent, not a 750.

Highly-pathetically speaking you might be able to. The motor also might give out any time since it's probably been on there 20 years.

I think I pay $80 for them? Worth every penny and you can match it with the rest of the flashing you're replacing.

Power vent was my first thought too.

If so that is a must too replace. Not even a question.
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Old 04-10-2014, 09:55 PM   #6
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Re: Mushroom Vents


Quote:
Originally Posted by power
When you guys do a roof, do you always remove an old mushroom vent with a new one? The one i am seeing is in perfectly good working order. I imagine we could properly flash it.
Attic fan? If so chunk it, deck it and install soffit and ridge vent.
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Old 04-10-2014, 11:20 PM   #7
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Re: Mushroom Vents


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Attic fan? If so chunk it, deck it and install soffit and ridge vent.
Soffit vents should hopefully already be there. Power fans need intake too. Sometimes it's a good idea to open it up more anyway.

I'm not a huge fan of passive ventilation.
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Old 04-10-2014, 11:21 PM   #8
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Re: Mushroom Vents


Oh, and it's faster to replace what's there than deck over and cut in ridge vents too.
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Old 04-20-2014, 12:27 AM   #9
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Re: Mushroom Vents


Quote:
Originally Posted by smalpierre
Soffit vents should hopefully already be there. Power fans need intake too. Sometimes it's a good idea to open it up more anyway. I'm not a huge fan of passive ventilation.
Why?
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Old 04-21-2014, 02:13 PM   #10
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Re: Mushroom Vents


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Why?
I Dont like relying on convection currents.
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Old 04-21-2014, 02:31 PM   #11
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Re: Mushroom Vents


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Originally Posted by smalpierre
I Dont like relying on convection currents.
Fair enough but it's never a problem I have ran into where I live.

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