Ted (VA7TBM?):
I recently re-insulated our attic to achieve local building code requirements.
The contractor installed R-45 blown-in cellulose, along with "cardboard
baffles" in the eaves. These latter things block the insulation from covering
your roof's eaves, through which cooling air is sucked into your attic via
convection either from a roof fan or natural draft.
I've also seen YouTube videos that show even the underside of roof decking (the
plywood on top of your roof trusses) insulated with dense spray foam. I'm not
sure if this was an especially cold location, but you might want to do your own
research to see if your locality requires or recommends it.
73 de Gene Smar AD3F
Sent from my Radio Shack TRS-80 model 100 laptop
On Wed, Nov 22, 2023 at 3:54 PM, bigted23 via
TowerTalk<towertalk@contesting.com> wrote: Hi there to all of you.
While looking into attic insulation alternatives, I came across an article that
provided advice on selecting the best insulation for homes. The importance of
R-values—a metric that gauges how well insulation withstands temperature
fluctuations—is mentioned. It retains heat better with a greater R-value;
nonetheless, the decision should be appropriate for the climate.
I'm debating between spray foam, fiberglass, and cellulose insulation. The
article talks about how polyurethane foam costs more money even if it has a
greater R-value.
Each type of insulation has a different installation process. Certain
materials, like plastic foam and loose-fill, are easy to do yourself, but
others require expert handling.
It appears sensible to consult professionals before beginning this undertaking.
Cost estimates and material recommendations could be provided by certified
energy experts (CEA).
In the end, the budget is quite important. While batt-and-blanket insulation is
less expensive, other varieties come with greater advantages.
I would highly appreciate hearing from anyone with knowledge or expertise with
these insulating materials, particularly with regard to how well they keep heat
in cooler regions like Nanaimo.
Usedhttps://houseinsulationhub.weebly.com/for some info.
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