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Radiant Barrier Roof Sheathing
Posted on 8/29/20 at 4:32 pm
Posted on 8/29/20 at 4:32 pm
Getting ready to build a house and am looking at using radiant barrier roof sheathing. Any of y'all have experience with it? Seems like it actually works, but not sure if the additional cost is justified.
Looks like a standard OSB sheet is about $20 while a radiant sheet it $24.
Home Depot Radiant Barrier Sheet
Looks like a standard OSB sheet is about $20 while a radiant sheet it $24.
Home Depot Radiant Barrier Sheet
8
Posted on 8/29/20 at 4:45 pm to RougeDawg
Yes.
Posted on 8/29/20 at 5:15 pm to RougeDawg
Use the radiant barrier OSB.
Posted on 8/29/20 at 5:35 pm to RougeDawg
Worth every penny more for the radiant OSB sheeting.
Posted on 8/29/20 at 6:03 pm to DirtyHarry
Yea I have it. Built last year. 5 ton ac all led lights gas water heaters and stove 2450 sq ft light bill was 185 for August, ac at 75 during the day 70 at night.
Posted on 8/29/20 at 8:23 pm to gsvar2004
Same here with A/C temps. 75 during day. 70 at night. Unit rarely runs during the day. IMO, the extra expense of radiant barrier has paid itself off already.
Posted on 8/30/20 at 8:33 am to RougeDawg
This is a no-brainer on new construction. Absolutely no reason not to do it.
Posted on 8/30/20 at 10:11 am to RougeDawg
I have it on my house. I guess it helps as I have nothing to compare it to. 
it will diminish cell signal, like a farad cage baw, a tin foil hat if you will.
it will diminish cell signal, like a farad cage baw, a tin foil hat if you will.Posted on 8/30/20 at 11:38 am to RougeDawg
yes it works great but there is a small trade off in it keeps the attic cooler by trapping the heat on the roof decking itself so shingle life expectancy is shortened
Posted on 8/30/20 at 1:07 pm to keakar
quote:I can see this being a problem with the barrier sheathing, so installing a radiant barrier on the underside of the rafters is a much better idea, right? I don't have any hard numbers, but it seems like doing it this way could even lower temps on the roof if designed properly. If you contain the hot air between the rafters, it seems like you can get really good air flow coming in the soffit and out the ridge.
yes it works great but there is a small trade off in it keeps the attic cooler by trapping the heat on the roof decking itself so shingle life expectancy is shortened
Posted on 10/12/20 at 9:10 am to RougeDawg
Has anyone had WiFi issues after installing radiant barrier? I’ve heard the cell signal is affected to some degree but I’m mostly worried about WiFi. It would just be radiant barrier stapled to the rafters In attic and not in the walls of the house.
Posted on 10/12/20 at 9:16 am to Fox McCloud
I don't see how wifi, which originates inside the home, could be affected by radiant barriers on the perimeter of the home.
Posted on 10/12/20 at 9:33 am to RougeDawg
I put this on my house when I built in 2009. I have had A/C repair guys comment on how much cooler my attic is than most of the ones they go in.
Back then it was about $4/sheet difference as well.
If you use 60-70 sheets of decking on your roof you are only talking about $250-$300 difference in cost.
Even if it helps with energy efficiency by 1% it is worth it over the life of your home.
Back then it was about $4/sheet difference as well.
If you use 60-70 sheets of decking on your roof you are only talking about $250-$300 difference in cost.
Even if it helps with energy efficiency by 1% it is worth it over the life of your home.
Posted on 10/12/20 at 11:13 am to keakar
quote:
yes it works great but there is a small trade off in it keeps the attic cooler by trapping the heat on the roof decking itself so shingle life expectancy is shortened
This... and those shingle problems get to be way more costly, especially when you don't catch them immediately.
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