No footing under crawl space wall?
ShadyAcres
9 years ago
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SparklingWater
9 years agoworthy
9 years agoRelated Discussions
Insulating a crawl space: walls and/or ceiling?
Comments (7)Nice article worthy, thanks for that... I love this part... "DonâÂÂt vent dryers or other appliances into the crawl" Who would do that? Every load of washing machine water direct into your crawlspace. Sheesh. For closed conditioned crawl spaces the recommendations were... â¢Insulate the perimeter walls to the level suggested for above-grade walls in your climate. â¢Exterior perimeter wall insulation is a good option to consider, especially in new construction. It eliminates the problems of moisture management associated with interior wall insulation and provides the possible benefits of additional thermal mass within the structure. The downside is you have to protect the insulation from termites and the above- grade portion of the insulation from deterioration caused by weather exposure. â¢When insulating a crawl from the interior, you should protect rim joists from condensation with foam insulation. â¢Use water-resistant insulating materials, such as rigid-foam board or spray foam properly protected to meet fire ratings. Avoid using air-permeable insulation, such as fiberglass batts or spray-on cellulose. â¢Power venting a sealed crawl space to the exterior can reduce the movement of air from the crawl space into the house. This can improve IAQ, but at the added cost of operating and maintaining the exhaust fan. I just might do that. i.e. insulate the walls and rim joists cuz our floors over the crawl space zone of the house are really cold in the winter. The issue there is "properly protected". Per the fire ratings, XPS sheets are to be covered w drywall or finished. Obviously a crawlspace you're not going to finish in drywall like you would a full height basement. So they don't really address what to do there -- cant leave it exposed but you're not gonna frame and finish... Thoughts?...See MoreShould a crawl space under a New England home be a deal breaker?
Comments (11)Pros and cons. Please comment to add to or correct what I list here. edited: I just saw that the house has a crawlspace. These can vary greatly in usefulness. Pros for basement. Provides Storage area Utility area Maybe provide additional living space. Easy access to plumbing, etc.for repairs or to make changes which are lower cost than a slab. Heating has more options, easier (not sure) Cons for basement More expensive to build/buy Any others??? Pros for slab. Lower cost to build/buy Any others??? Cons for slab. No storage No possible additional living space Heating options limited/higher cost (not sure) Changes or repairs to plumbing are expensive For my DH and me the main concerns would be the easy low cost access to utilities. We've fixed broken pipes and added/moved sinks, etc all without much cost. Also have run electrical and cable lines through the basement. Also the storage. I just estimated that we would need a 500 sf addition to make up for the loss of our basement. It would include a woodshop, storage for seasonal items, camping and hunting equipment, laundry, utilities such as furnace, hot water tanks, etc. The basement is much cheaper than an addtional 500 sf of living space. Write up your own pros and cons. This post was edited by debrak2008 on Sun, Dec 15, 13 at 11:32...See Morewater coming from under car port into crawl space
Comments (1)gigiprince, I was just curious, was there any new construction nearby during the time you noticed the leak and crack in your block wall? The PorchGuy Here is a link that might be useful: My Album...See MoreInsulating inaccessible crawl space
Comments (1)If you can't get into the space and are concerned about moisture, you may want to try what they do with basement walls. You could glue 1" or 1.5" closed cell foam on top of the slab, ensuring all seams are sealed and taped. This blocks moisture coming up through the slab, and cold radiated through the slab. Then go around the perimeter to spray foam any remaining gaps between the slab and the joists, and add molding to seal the space between the slab and the floor joists. The foam board blocks the moisture, and now want to seal the joist areas so that there is no air infiltration. Once you have dead air space around the joists and no cold air entering that cavity, it won't be quite as cozy as having full insulation, but it will be much warmer. Once you stop air infiltration and block the cold radiated up through the slab, your entire joist area will be a 12" thick air barrier. Bruce...See MoreSparklingWater
9 years agoShadyAcres
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