Foam insulation
#1
10-28-18, 12:21 PM
Join Date: Oct 2018
Location: United States
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Foam insulation
I have a 60's model peir and beam home. I am wondering if it would be wise to have foam insulation blown under the house. May help protect against moisture from wood as well. Just not sure if it would be a benifit to us(cold floors) and all. Any thoughts?
#2
10-28-18, 10:24 PM
Group Moderator
Floors are cold because cold air resides at floor level due to hot air rising. Only real way to warm the floors is to warm under them and insulation does not accomplish that; it just slows the exchange. Best way to protect the wood from moisture is a moisture barrier on the ground and the diversion of surface water away with gutters, downspout extensions and grading.
#3
10-29-18, 05:29 AM
Member
Gains for insulation are up, out then down (heat flow) but clearly if you have floors with no insulation then there will be some degree of heat loss so yes insulation wiil help.
If you dont have insulation in the floors what is the situation with the entire house?
BTW you dont blow in foam it's sprayed, cellulose or shredded fiberglass is blown in!
If you dont have insulation in the floors what is the situation with the entire house?
BTW you dont blow in foam it's sprayed, cellulose or shredded fiberglass is blown in!
#4
10-29-18, 06:41 AM
Hi grafted and welcome to the forum,
If you add a nearby big city to your profile it will show up with each post so we will better understand your climate. Replace united states with big city.
I'm reading this as an open space under the house, not an enclosed crawlspace??
Adding spray foam would end all access to plumbing and electrical and might be an issue with termite inspection. A picture would help us advise.
Bud
If you add a nearby big city to your profile it will show up with each post so we will better understand your climate. Replace united states with big city.
I'm reading this as an open space under the house, not an enclosed crawlspace??
Adding spray foam would end all access to plumbing and electrical and might be an issue with termite inspection. A picture would help us advise.
Bud
#5
11-05-18, 10:17 AM
Join Date: Oct 2018
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Insulation
Thanks for the replies. Location Shreveport Louisiana.
Yes, just open area under house. No insulation installed under floorboards. Fairly dry under house 90 precent of the time. . So the "spray" in foam while may hinder any future plumbing work, it would at least be some insulation under our feet. Just seems sprayed would be easier than trying to get bat insulation under the house.
Yes, just open area under house. No insulation installed under floorboards. Fairly dry under house 90 precent of the time. . So the "spray" in foam while may hinder any future plumbing work, it would at least be some insulation under our feet. Just seems sprayed would be easier than trying to get bat insulation under the house.
Last edited by Graftedfruit; 11-05-18 at 11:35 AM. Reason: Spelling
