Forums | Home Repair | Home Improvement | Painting | Interior Decorating | Remodeling | Landscaping


Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Building & Construction

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 12-24-2007, 01:03 PM   #1
Gus
Newbie
 
Join Date: Dec 2007
Location: Central IL
Posts: 19
Share |
Default

Crawlspace insulation reccomendation


I have a small crawl space (30 sq.ft.) under my entry way (the rest of the house is basement). There is no insulation in the crawl space, and the floor is extremely cold. The house was built in 1940 so there is no ventilation in the crawl space. It seems to be fairly air tight, but I found when I crawled in there some mold on the floor joists that was all dried up and the dirt was completely dry.
So from what I can tell I need to put in a vapor barrier over the dirt and seal it to the foundation. And then some sort of insulation between the joists and I'm not sure if I should use rigid insulation or fiberglass batting. Also should I add vents, there is only one side that you could add the vent to so you wouldn't really get any cross ventilation. I'm not sure if this matters, but the foundation is made of cinder block and all the outer walls are completely cinder block all the way to the roof.

Thanks
Gus is offline   Reply With Quote
Old 12-28-2007, 08:57 AM   #2
Newbie
 
Join Date: Dec 2007
Posts: 3
Default

Crawlspace insulation reccomendation


forget batt or board stock - get a do it yourself foam kit - 105 board foot kit by Fomo or Instafoam will do and spray the rim joists and flooring between joists. This will keep any cold air from getting at floor. Be sure to wear appropriate mask while spraying as foam is toxic when being sprayed. Supply houses in your area should have the kits and they are self contained. Disposal is easy when done.
Quote:
Originally Posted by Gus View Post
I have a small crawl space (30 sq.ft.) under my entry way (the rest of the house is basement). There is no insulation in the crawl space, and the floor is extremely cold. The house was built in 1940 so there is no ventilation in the crawl space. It seems to be fairly air tight, but I found when I crawled in there some mold on the floor joists that was all dried up and the dirt was completely dry.
So from what I can tell I need to put in a vapor barrier over the dirt and seal it to the foundation. And then some sort of insulation between the joists and I'm not sure if I should use rigid insulation or fiberglass batting. Also should I add vents, there is only one side that you could add the vent to so you wouldn't really get any cross ventilation. I'm not sure if this matters, but the foundation is made of cinder block and all the outer walls are completely cinder block all the way to the roof.

Thanks
swede8a is offline   Reply With Quote
Old 12-28-2007, 08:59 AM   #3
Newbie
 
Join Date: Dec 2007
Posts: 3
Default

Crawlspace insulation reccomendation


We have been spraying foam insulation in central Iowa for almost thirty years. The spray foam product is what you want to use - batt is like a cigarette filter - the cold air just bypasses it to get to the floor. same way with board stock, hard to cut and fit. check out thekits.
swede8a is offline   Reply With Quote
Old 12-29-2007, 11:23 AM   #4
Gus
Newbie
 
Join Date: Dec 2007
Location: Central IL
Posts: 19
Default

Crawlspace insulation reccomendation


Thanks, for the info, that sounds a lot better. Should Home Depot, Lowes or Menards have the kits? Are they a can you spray or a machine that you rent?
Gus is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Cape Cod Style House Attic/Crawl Space Insulation Help Danielg Insulation 24 05-21-2012 08:20 AM
attic insulation question dderolph Building & Construction 10 11-03-2007 05:21 PM
musty crawlspace svmaine Building & Construction 2 09-03-2007 03:53 PM
crawlspace exposed to outside and damp djbauda Building & Construction 5 07-30-2007 07:49 AM
Installing new insulation in my basement and removing the old moldy insulation. Fixitgeorge Remodeling 3 10-17-2006 08:33 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.