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Ask Mr. Crawlspace

How do I fix water problems in my crawl space that are coming from the outside?

Water coming in from outside is a hassle that needs to addressed in a hurry. Let’s take a look at common culprits and solutions.Start with gutters and downspoutsClogged gutters and misdirected downspouts do little to protect your home from water. If you have water problems in your crawlspace, this is a good place to begin your detective work. Gutters should be [...]

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My crawl space is only 2 ft. tall, would I still benefit from a closed crawl space?

That’s a good question! The answer is you will still benefit but clearance in the crawl space may present a challenge without the right tools and supplies. As you are considering a closed or encapsulated crawlspace, think about these advantages. When you’re ready for supplies, or have questions, give us a call. Crawlspace Depot has the experience and tools [...]

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How do I determine if I need a dehumidifier in my closed crawl space?

Closed crawl spaces mean less worry about excess moisture and the problems it brings. Still, it is impossible to remove absolutely all moisture, all the time. In some climates and seasons it may be necessary to add a dehumidifier in your closed crawl space. When do you need a dehumidifier? It may be hard to know, particularly if you [...]

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Before I install a vapor barrier, can I just cover up the debris in the crawl space?

No, all debris should be removed from the crawl space before you put in a vapor barrier.

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Why do my wood floors buckle and cup in the summertime?

If you have a crawl space and the cupping is upward, then hot, moist air from the outside is entering the crawl space. The wood floors then absorb the moisture from their underlying side, making the bottom of the boards expand and the boards "cup" upwards. Installing a closed crawl space will prevent any outside [...]

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What is causing the musty smell in my house?

Many things can cause a musty smell. You might need a ventilating fan in the bathroom. You could have poor indoor air quality. If you have a crawl space, then that odor is probably coming from high moisture levels in your crawl space [...]

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If my crawl space isn't level does it matter?

Yes. You need to level your crawl space to create positive drainage.

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What if I have cracks in my foundation walls?

Small cracks in foundation walls may be sealed with caulking, cement or expandable foam. If you can, monitor cracks to see if there's any movement or change in size, and consult a structural engineer if you see any evidence of such. In most [...]

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What about any around holes in my foundation walls?

Holes in foundation walls need to be sealed to prevent outside air from moving into the crawl space.  Use materials such as caulking, cement and expandable foam to seal the holes.  If any holes are larger than a quarter of an inch, you [...]

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I live on the coast. Are foundation vents required for a closed crawl space here?

In your area, installing a vent designed to relieve water pressure in the event of a flood is important. There are vents available that meet flood vent requirements for closed crawl spaces.  Check with your state and local building codes for the placement [...]

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