[Greenbuilding] Weight of spray cellulose
Frank Tettemer
frank at livingsol.com
Sun Feb 19 20:05:22 CST 2017
I agree with David's suggestion, to alleviate concern,
However, for over a decde we have in 22 inches of blown in place
cellulose = (R-80?). this had held up consistantly each year, We put up
MemBrain by Certainteed stapled to the ceiling joists @ 24" o.c..
Then, 1x4 spruce strapping on 12" o.c.
Then 1/2" drywall, double screwes into 1x4 on 9" o.c..
At least 30 ceilings and insulation installations over 14 years,
with no failures except in my own garage ceiling where I stepped off the
joists with my big bad foot.
Question?: Do you have a plan to block off the vented soffits, and allow
ventilation channels from the vented soffit, above the cellulose, to the
vented ridge, or, maximum vent box, or similar?
More opportunities and good use of corrugated cardboard?
Or inexpensive Moore vent/rafter vents, and vertical cardboad baffles,
from outside face of the wall plate, up to the rafter vents?
Cheers,
Frank Tettemer
On 2017-02-18 12:29 PM, David Wentling via Greenbuilding wrote:
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