Spray Foam

Sundancer320 · 09-16-2018, 07:24 AM

Anyone have experience using the spray foam insulation under the cottage in the crawl space? We have about a 3’ crawl under our place built on post and pier and it has standard insulation batting that is falling out and looks like the rodents enjoy it. It’s coming out this week and think the spray foam is better suited.

chaseisland · 09-16-2018, 12:43 PM

Years ago I worked in the field of urethane foam chemistry. Be prepared to cover the foam with something like wood for the critters will gnaw at the foam ending in comprising its quality.

djwade4 · 09-16-2018, 07:55 PM

Quote:

Originally Posted by chaseisland

Years ago I worked in the field of urethane foam chemistry. Be prepared to cover the foam with something like wood for the critters will gnaw at the foam ending in comprising its quality.

Critters love it. They do make a repellent one that is supposed to stop critters. But after awhile it breaks down and comes through the sheet rock.

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Biggd · 09-17-2018, 06:29 AM

Quote:

Originally Posted by Sundancer320

Anyone have experience using the spray foam insulation under the cottage in the crawl space? We have about a 3’ crawl under our place built on post and pier and it has standard insulation batting that is falling out and looks like the rodents enjoy it. It’s coming out this week and think the spray foam is better suited.

I had the floor of a 12 x 22 room on piers sprayed with 3" of foam along with the basement walls of my house about 3 years ago. It was the best money I ever spent. No issues with critters, and I have many. If you're worried about critters you could get some metal screen/fence material and staple it to the floor joists after.
I'm going to do my garage next, walls and ceiling. I have the same issue, fiberglass insulation getting damp and falling down. Critters getting into it and making a mess.

whkhawks · 09-17-2018, 11:37 AM

Use closed cell spray foam. The animals can't get through it. A little more money but a much better product for crawlspaces. The product is also a great vapor barrier. Good Luck!!

Lil' Barndoor Guy · 09-17-2018, 12:04 PM

I recently put an addition on my island house and the Town of Alton insisted that I insulate the entire add-on including the floor joists

Sam603 · 09-27-2018, 09:20 AM

Any recommendations for spray foam contractors in the Wolfeboro area?

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09-16-2018, 07:24 AM	#1
Sundancer320 Senior Member Join Date: May 2015 Posts: 88 Thanks: 7 Thanked 34 Times in 17 Posts	Spray Foam Anyone have experience using the spray foam insulation under the cottage in the crawl space? We have about a 3’ crawl under our place built on post and pier and it has standard insulation batting that is falling out and looks like the rodents enjoy it. It’s coming out this week and think the spray foam is better suited.

09-16-2018, 12:43 PM	#2
chaseisland Senior Member Join Date: Jun 2007 Location: Concord, NH Posts: 157 Thanks: 17 Thanked 68 Times in 44 Posts	urethane spray foam Years ago I worked in the field of urethane foam chemistry. Be prepared to cover the foam with something like wood for the critters will gnaw at the foam ending in comprising its quality.

09-17-2018, 11:37 AM	#5
whkhawks Junior Member Join Date: Sep 2017 Posts: 14 Thanks: 19 Thanked 1 Time in 1 Post	Use closed cell spray foam. The animals can't get through it. A little more money but a much better product for crawlspaces. The product is also a great vapor barrier. Good Luck!!

09-17-2018, 12:04 PM	#6
Lil' Barndoor Guy Member Join Date: Jan 2014 Posts: 22 Thanks: 0 Thanked 7 Times in 4 Posts	I recently put an addition on my island house and the Town of Alton insisted that I insulate the entire add-on including the floor joists

09-27-2018, 09:20 AM	#7
Sam603 Member Join Date: Mar 2018 Posts: 24 Thanks: 10 Thanked 2 Times in 2 Posts	Any recommendations for spray foam contractors in the Wolfeboro area? Sent from my iPhone using Winnipesaukee Forum mobile app