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Installing Multi-Layered Reflective Insulation in the Attic

Posted on 5/3/18 at 8:13 pm
Posted by tigerbaittrick
Member since Jan 2010
7265 posts
Posted on 5/3/18 at 8:13 pm
Anyone do this or know some one who has? Went to a demonstration today and it was pretty straight forward that this is a million times better than your typical fiberglass or spray foam insulation. But I'm curious how the install was.

Also, did you notice right away the savings on your electric bill?
This post was edited on 5/3/18 at 8:17 pm
Posted by Jimmy2shoes
The South
Member since Mar 2014
11004 posts
Posted on 5/3/18 at 8:15 pm to
lots of staples?
Posted by tigerbaittrick
Member since Jan 2010
7265 posts
Posted on 5/3/18 at 8:17 pm to
That's what I'm wondering. If it's just as easy as rolling it and letting it lay, or having to staple to the rafters/beams.
Posted by G Vice
Lafayette, LA
Member since Dec 2006
12919 posts
Posted on 5/3/18 at 8:27 pm to
How is that product different than parsec radiant barrier?
Posted by thejudge
Westlake, LA
Member since Sep 2009
14061 posts
Posted on 5/3/18 at 8:47 pm to
I have a layer or a reflective radiant barrier over blown in my attic. Here when I bought it

For a house built in the 50s with single pane aluminum windows. M electric bill is like $125/mo. This past month was $83.

I have gas water heater, furncae and dryer. electric stove and oven.

I did pull the paneling and put batted insulation when I did a rewire job.
Posted by el Gaucho
He/They
Member since Dec 2010
53018 posts
Posted on 5/3/18 at 8:55 pm to
You're asking about reflective insulation in your attic and you don't expect me to turn you in for conspiracy to cultivate marijuana? Kids die from this stuff
Posted by guedeaux
Tardis
Member since Jan 2008
13611 posts
Posted on 5/3/18 at 9:05 pm to
quote:

Anyone do this or know some one who has? Went to a demonstration today and it was pretty straight forward that this is a million times better than your typical fiberglass or spray foam insulation. But I'm curious how the install was.



My dad just had this done. Said it has already shown a difference in the amount of time the A/C or heater had to run. He said the installation was pretty much them just rolling it out and stapling it down. They were supposed to come back later and mark the spots that were not "walkable."

3500 sq ft house, and it was finished in less then half a day.
Posted by shawnlsu
Member since Nov 2011
23682 posts
Posted on 5/3/18 at 9:15 pm to
Say goodbye to cell phone signal in your house
Posted by baldona
Florida
Member since Feb 2016
20478 posts
Posted on 5/4/18 at 3:58 am to
quote:

Say goodbye to cell phone signal in your house


Even if this is true, who doesn't have wifi calling anyway?
Posted by couv1217
Baton Rouge, LA
Member since Sep 2007
3328 posts
Posted on 5/4/18 at 7:22 am to
If I install this, can I remove my other insulation? Currently have blown borate insulation so any time I do work in the attic, it's a mess and all that crap gets in my throat and lungs. Ducks.
Posted by whit
Baton Rouge
Member since Sep 2010
10999 posts
Posted on 5/4/18 at 7:28 am to
We use tech shield roof decking on all of our new construction homes. It’s good stuff.
Posted by Cdawg
TigerFred's Living Room
Member since Sep 2003
59526 posts
Posted on 5/4/18 at 7:38 am to
I just use aluminum foil. Wrap the attic and then put it on the windows.
Posted by FuzzyBearE
Baton Rouge
Member since Jul 2016
450 posts
Posted on 5/4/18 at 7:50 am to
quote:

Say goodbye to cell phone signal in your house



This... x 1000

I have to go outside to talk on the phone. But it does keep the house cooler.
Posted by mdomingue
Lafayette, LA
Member since Nov 2010
30322 posts
Posted on 5/4/18 at 8:05 am to
quote:

Went to a demonstration today and it was pretty straight forward that this is a million times better than your typical fiberglass or spray foam insulation.


It’s not. ‘Reflective’ insulation is reflects radiative insulation. The bulk of heat loss/gain between the attic and the living areas is conduction/convection. A radiant barrier would be best place at the roof. Radiant OSB sheathing for the roof decking would be a better option, I would think.

You may see some minimal gains relative to a well insulated home. Doubtful it pays for itself very quickly, if at all.

Radiant Barriers: A Solution in Search of a Problem
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/4/18 at 8:36 am to
Get a signal booster that mounts outside
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