concrete slab foundations

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Raised Wood Foundations versus Concrete Slabs

Monday, March 31st, 2008

Concrete Slab
Pro
1. Less expensive
2. Faster to install
3. Can adapt to radiant floor system
4. Six inches above grade – no steps or low ramp
5. Convenient for handicap access
6. Garage access = same level
7. Easier for seismic frame transfer forces
8. Better termite protection
9. Longer house life
10. Fireproof
Con
1. Possibly harder on feet and back for standing
2. Will develop small cracks
3. Closer to ground – 6″ minimum from grade
4. Has lower look, architecturally
5. No access below grade for utilities
6. Some utilities to be in attic

For more architectural advice and articles, to see one of our many projects, or to learn more about our office and the services we offer, go to our main website: Architect Atascadero

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Raised Wood Foundations v. Concrete Slabs

Thursday, March 20th, 2008

Raised Wood Foundation
Pro
1. Gives home a raised-platform look
2. Wood floor is easier on the feet
3. Can feel warmer with wood flooring over a sub floor
4. The crawl space required can pass utilities under the floor
5. Gives better access to plumbing and other utilities
Con
1. More expensive
2. Takes longer to frame
3. Uses wood members = expensive
4. Need concrete stem-walls
5. Required 18″ minimum crawl space
6. Transfer of interior shear walls is tougher
7. Floor system sounds hollow
8. Tougher to insulate to Title 24; R-19 underside
9. Usually requires steps up to floor – handicap requires ramp
10.Usually requires steps to garage
11. In some areas, ground squirrels and gophers can be a problem
12. Not practical for radiant floor heating
13. If not installed properly, squeaky floors result

Next Week: Pros and Cons of Concrete Slabs

For more architectural advice and articles, to see one of our many projects, or to learn more about our office and the services we offer, go to our main website: Architect Atascadero