Home Depot or Lowes carry it for about $10 dollars a sheet. It is used for sheeting when building a house. Most lumber stores will have it. I may not spell this right but it is called polyisocyanurate.
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Cheap easy light trap for venting.
- Thread starter Ichabod Crane
- Start date
Home Depot or Lowes carry it for about $10 dollars a sheet. It is used for sheeting when building a house. Most lumber stores will have it. I may not spell this right but it is called polyisocyanurate.
It's my way of giving back to IC for what I have learned here.
you could take this one step further and cut those holes round, install duct dampers with motors(12 or 24 volt). that way no smell will travel through when the vent fans off. good thread. the reason i suggest the motor dampers is unless u have a very strong fan for venting, the draw wont be strong enough to get full flow through a mechanical damper.unless, of course you have passive and active intake\ exhaust in tandem.
Good point on the dampers. I run from 2.5 to 3.5 times air exchange continuously on my rooms so back drafting is not an issue.
sweet, love the DIY, tagged 4 future use.....
quinoa64
Member
Ahhh, duct dampers -- that's what they're called. Hardest thing about being new at this is knowing what you want but not how to look it up.
Too bad the electric ones cost more than my entire cab, and I'm pretty sure I won't have enough suck to open a spring-loaded one.
But maybe a clothes dryer vent cap would do the same thing with less air pressure? The kind with plastic louvers?
