Floor/crawl space Insulation ?

[logan97]

code here is R-13 in a crawl space should I increase the R value ? I have until this Tuesday to make a decision. $300 upgrade to R-15, upwards from there as it increases. Batts the spray would be 1/2 the cost of the entire job.

 

[Oaktree]

I can't imagine you'd notice any difference between R-13 & R-15.

 

[logan97]

true how about R 25 or greater ?

I can't imagine you'd notice any difference between R-13 & R-15.

 

[Buppies]

Always felt the more the better. Spray in type would be better if you can stand the cost and will not have to worry about the batts falling down later on. Just my opinion mind you

 

[PILOON]

In a crawl space I would go for spray foam.
The rodents sure like wool batts as nesting sites.

 

[Steppenwolfe]

Hey, neighbor... go for the most you can afford. Do it once, do it right...

 

[Rustyiron]

Hey, neighbor... go for the most you can afford. Do it once, do it right...

:thumbsup:
Insulation is the gift that keeps on giving!

 

[FTG-05]

I had my floor insulation pulled out last Nov. It was just a moisture magnet and rat/mice haven. Moisture levels in the crawl space dropped to an excellent 15-16% and we noticed no colder floors this cold winter then before (well, cold for us).

Good luck!.

 

[MacLawn]

I had my floor insulation pulled out last Nov. It was just a moisture magnet and rat/mice haven. Moisture levels in the crawl space dropped to an excellent 15-16% and we noticed no colder floors this cold winter then before (well, cold for us).

Good luck!.

Now hold on ftg, ye ain't got nary insulation now in ye crawl space? Hmmmm, I need to do something. No matter wha' ye do, make sure the ground is covered real good with about 6 mil polymollymajolly, wha' ever it's called. Y'all know.

 

[FTG-05]

Now hold on ftg, ye ain't got nary insulation now in ye crawl space? Hmmmm, I need to do something. No matter wha' ye do, make sure the ground is covered real good with about 6 mil polymollymajolly, wha' ever it's called. Y'all know.

Nope, no insulation for the last year - this is my now previously owned house, it got sold a couple weeks ago.

I have several layers of 6 and 10 mil plastic installed. It's a very dry crawl space, which is what I wanted.

 

[Pilot]

I installed bats under my floor in my previous house. It did help, but it was a miserable job.
Before you do anything, seal all heat ducts. Ducts leak a lot of your heated / cooled air. Duct tape is worthless, go with sealant meant for the job.