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-   -   need advice installing soffit vents in vinyl siding (http://www.diychatroom.com/f9/need-advice-installing-soffit-vents-vinyl-siding-128177/)

tspoon84 12-30-2011 10:18 AM

need advice installing soffit vents in vinyl siding
 
Hi- yep, I'm new! I've searched but haven't quite found the answer for my specific situation, so it's time to post!

Little background on my house attic/roof in general- it's about 1000 square feet. The garage is attached. I have only 4 roof vents (think I need to add more in the spring), and 2 gable vents. One of them is basically the big entrance into the attic from the garage deck.

Because the insulation situation up there was terrible, and consumer's energy had a rebate program before the end of the year, I blew in fiberglass insulation to about R-50 or 60 just recently. I installed baffles every few rafters and marked on the outside where they were for future soffit vent installation (in hindsight maybe I should have done them all, but just too much work).

My soffits (eaves?) hang over only about 6-8" before the gutter, and are basically 1" wood covered by vinyl siding. My plan was to simply cut rectangular holes and cover them with the louvered vent covers you can buy from home depot. Well, I got to it with the sawzall, but then realized that installing those louvered vents will leave open gaps where the siding is grooved. I guess my concern is that bees will make nests in my attic in no time flat, and it would be a pain in the butt to fill every gap with caulk, not to mention look like crap. Any ideas? I don't know if I can replace the whole thing with a vented vinyl soffit, but even if I do I feel like it wouldn't be very much ventilation compared to the louvered vents.

Thank you!

TarheelTerp 12-30-2011 11:08 AM

Quote:

Originally Posted by tspoon84 (Post 807282)
My soffits (eaves?) hang over only about 6-8" before the gutter, and are basically 1" wood covered by vinyl siding.

1) remove the existing vinyl altogether.
2) butcher up some vent opening holes (neat is better) as needed.
3) use the vented material intended for soffit to close.

hth

Gary in WA 12-30-2011 09:41 PM

"I don't know if I can replace the whole thing with a vented vinyl soffit, but even if I do I feel like it wouldn't be very much ventilation compared to the louvered vents." ---- You are correct! The NFVA with vinyl vents is minimal with only the existing 6-8" soffit area depth. The vinyl only has one that meets minimum 9 sq.in. per foot (recommended) and you have 1/2 that. I'd use continuous venting (screened and opposing louvers, metal), close the fascia board for optimum positive air pressure. Then ? next to that.

Gary
PS. Welcome to the forums!

Double-A 01-05-2012 09:09 PM

Take all the vinyl soffit down, buy full-lanced aluminum soffit material in the correct color, cut the soffit wood board back completely, install the full-lanced aluminum.

Block the gable vents.

Add at least one exhaust vent.

joecaption 01-05-2012 09:20 PM

A picture would sure be nice.


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