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Posted by Bob Morrison on December 20, 2006, 3:50 pm
In a previous post Joseph Handy wrote...
> Greetings,
> I was wondering if someone could explain to me the advantages and
> disadvantages of poured foundations vs. block foundations. I am interested
> only in building on a full basement but will likely build a garage on a slab
> as well so please include info. about slabs as well.
>
> How accessible are each type to the inexperienced owner-builder?
Neither system is very easy for an inexperienced builder.
> What are some of the options available for forms?
You may be able to rent them, but I think you should subcontract out the
concrete work to someone with experience. This is something you don't
want to screw up.
> Which provides greater structural stability and long term durability?
Depends on climate, soil moisture content, chemistry of the soil. In
general, a properly poured concrete foundation will be stronger and will
outlast a masonry foundation.
> Which has greater potential for insulation?
Same. In either case you will need to furr out the inside, unless you use
something like ICF, which could be a good choice for habitable space in
the basement.
> Which provides better moisture protection?
A properly moisture proofed wall of either material with proper drainage
will work just fine.
> Any recommendations for masonry books, websites suppliers?
Not unless you want to learn to be a structural engineer.
--
Bob Morrison, PE, SE
R L Morrison Engineering Co
Structural & Civil Engineering
Poulsbo WA
bob at rlmorrisonengr dot com
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