Slab Vs Crawl Space Foundations: Key Differences & Attributes

When it involves building the foundation of your home, there are mainly two strategies — slab and crawl space. For most homeowners, move slowly space buildings have been the 1st choice, up until current times. However, currently, concrete slabs are also gaining great popularity. Both of all these basis have their own reward and disadvantages. And the final choice is dependent upon your personal preferences, requirements, geography, and budget. Therefore, today, we shall attempt to assist you opt between slab vs crawl space, with the aid of know-how their differences and key attributes.

Slab Vs Crawl Space: What Is the Difference?

A slab foundation, because the name suggests, comprises a concrete slab over which a home is built. The structure is held in place via footers sunk into it, which assist the home’s weight and frame.

A crawlspace basis is built with the aid of pouring footings, bricks, cinder blocks, and urban pillars — over which the walls of the home are constructed. It separates the ground out of your home’s first floor.

home foundationPhoto by means of David Cedrone on Flickr is certified under CC BY 2.0

Slab vs Crawl Space: Cost Breakdown

The total price of installing any basis is consisting of here factors: zip code of your locality, dimensions of your property, and the layout of your house. Now, in case you own a home of dimensions 1,500 square feet, the cost of materialsfor a slab constitutionwill be about $3,500 and labor charges shall come around$7,000 — bringing the complete cost to$10,500. On the other hand, the cost of fabricsfor crawl space would be approximately $5,000 and labor feesshall come around $12,500— bringing the complete price to $17,500.

As you could see, move slowly spaces price nearly $6,000 more than concrete slabs, for a home with a similar size. Now, why is there this kind of large difference? That is because, slabs require much less paintings and their cost is in line with the cost of concrete and the hard work to pour it. However, for a crawl space, the whole cost motives the number of footers and basis corners.

Location and Climatic Conditions

Crawl space foundations are finest suited for sloped landscapes, places vulnerable to earthquakes, and dry climates. In angled slopes, you may layout the footers consistent with the design of your home’s flooring. Moreover, this class of constructions doesn’t undergo much harm due to surprising tremors or transferring soil. However, they’re susceptible to moisture damage and mould growth because of water accumulation. Hence, if you stay in arid, desert-like areas, that is the perfect option.

slab foundationPhoto by means of on Flickr is licensed under CC BY 2.0

Concrete slabs are best-suited for regions at risk of regularly occurring rainfall and humidity. In view that you can construct them above the base ground elevation, they guard the home from ground water. However, observe that the design should be such that it directs rainwater far from the home walls and foundation.

Slab Vs Crawl Space: Durability

When hooked up by means of professional experts using premium-quality materials, either one of these foundation versions will last for various years. With appropriate maintenance and care, they could have alifespan of up to 50 years.

However, there are some conditions. Water leakage can cause extreme harm to move slowly areas if the issue isn’t constant immediately. At the other hand, a slab might be broken by means of intruding tree roots, especially once you stay rather nearly a wooded area.

Height and Storage Space

A home constructed onslabs or a concrete block is closer to the organic grade of the lot, thereby, eliminating the desire of steps into the home and presenting easy access. Therefore, if you have aged family members or humans with disabilities, this feature is incredibly beneficial. On the different hand, a home with a crawl area foundation might be at heights starting from sixteen inches to 4 ft high. So, it requires to have front ramps with the intention to offer an analogous ease of accessibility.

As far as storage space is concerned, building a house with a mold-resistant and insulated storage area is possible in a crawl space foundation. Although, this isn’t as spacious as your basement, still, it’s better than having no extra storage at all.

crawl space foundationPhoto by means of BoneDaddy on Flickr is certified under CC BY-SA 2.0

Slab Vs Crawl Space: Resale Value

The resale value of any property depends plenty on thetype of foundation. If your patron prefers a home raised above the level of the encompassing lot, then he/she will opt for a crawl area foundation. Therefore, exclusive possibilities play the major function in using the decision of domestic buyers. Other motives that affect the sale value are aesthetic considerations, foundation versions within the vicinity, production and material quality, and history of maintenance.


As targeted above, you may see that both slab and move slowly area foundations include their own reward and disadvantages. But, with the intention to make an educated decision, you would like to invite those questions. Wherein will I construct my house? Will my property be positioned in a dry or moist region? Is that this area vulnerable to earthquakes? What’s my budget? Who’re my household members? Do I want additional storage space? Answers to every of these questions, coupled with expert advice from authorities within the vicinity, might be useful arrive at the correct decision.

Slab Vs Crawl Space Foundations: Key Differences & Attributes became last modified: December 10th, 2020 by using Anisha Dutta