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Started By
Message
Does R11 Insulation Meet Code for Walls?
Posted on 9/7/16 at 4:01 pm
Posted on 9/7/16 at 4:01 pm
Tired of waiting on contractor. Anyone know if building codes require R13 insulation or can I use R11 in walls?
9
Posted on 9/7/16 at 4:02 pm to RougeDawg
Don't go cheap on your insulation
Posted on 9/7/16 at 4:07 pm to RougeDawg
That really depends on where you are. Dofferent municipalities have different building codes.
Posted on 9/7/16 at 4:13 pm to CoachChappy
Walker
Posted on 9/7/16 at 4:17 pm to RougeDawg
Every house I demoed in the last couple weeks had r13
Posted on 9/7/16 at 4:23 pm to RougeDawg
13 is code
Posted on 9/7/16 at 4:35 pm to RougeDawg
Not serious
Posted on 9/7/16 at 4:42 pm to RougeDawg
R13 in walls
Posted on 9/7/16 at 4:48 pm to LSUAce007
No less then 13. When is comes to insulation, one never has enough. It's one of those things you don't see till your power bill comes in. 
Posted on 9/7/16 at 5:02 pm to RougeDawg
There's a ton of R13 at lowes and HD right now, just do it yourself, get a stapler and wear gloves.
Posted on 9/7/16 at 5:04 pm to Muice
There is no code on residential insulation.
Posted on 9/7/16 at 5:09 pm to fishfighter
I helped gut a house in NBR for a friend's coworker. Not one piece of insulation anywhere in the house except for a small one car carport that had been closed in to make a room. Those 2 walls enclosing carport had insulation.
We couldn't believe it.
We couldn't believe it.
Posted on 9/7/16 at 5:11 pm to Muice
Thanks. Stines is handing it out out like candy telling people it meets code. I always take what they say over there with a grain of salt so thought I would check with the experts.
Posted on 9/7/16 at 5:15 pm to RougeDawg
HD sell R13 in 32' long rolls that cover 40sqf per roll. If you buy 20 rolls, each roll drops down to $10.49 a piece.
Posted on 9/7/16 at 5:29 pm to RougeDawg
Put it as thick as you can in there
Posted on 9/7/16 at 6:05 pm to tigers win2
quote:
I helped gut a house in NBR for a friend's coworker. Not one piece of insulation anywhere in the house except for a small one car carport that had been closed in to make a room. Those 2 walls enclosing carport had insulation. We couldn't believe it.
Most house built prior to 1970 or so had no insulation in the walls, insulation in the attic was minimal. Energy cost were so cheap there was no need to require it. I have owned several older houses with no insulation in the walls.
Posted on 9/7/16 at 7:59 pm to RougeDawg
quote:
Walker
R13 and if you don't have it in you interior walls, put it. It is amazing.
Posted on 9/7/16 at 9:47 pm to RougeDawg
quote:
RougeDawg
R19 with the reflective surface is cheaper in the long run. That stuff will literally save you hundreds in a years time.
Posted on 9/7/16 at 10:04 pm to bayoumuscle21
R-19 in a 3.5" wall is compressed and actually ends up around R-11. Best for a 3.5" wall is high density R-13.
R-19 is 6" thick and used in 6" walls.
R-19 is 6" thick and used in 6" walls.
Posted on 9/7/16 at 10:14 pm to Martini
quote:
R-19 in a 3.5" wall is compressed and actually ends up around R-11. Best for a 3.5" wall is high density R-13.
Yep, the insulating properties are from the trapped air in the material, not the material itself, compressing it reduces the effectiveness.
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