Slab Foundation: Difference between revisions
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=Technical Design= | |||
<html> <iframe src="https://docs.google.com/presentation/d/e/2PACX-1vTzRl4k2Mg0AgSmokublpm-OWTVnQp3ScGRF8DaEFj8noKYncWjP_fZThoVdq2uq2wJtoLWxWUPKUN1/embed?start=false&loop=false&delayms=3000" frameborder="0" width="408" height="557" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe> </html> | |||
[https://docs.google.com/presentation/d/13PS4uCHF8Y2qUH6PW-4B5Ofan76x7_qMzbK7nqDjMs0/edit?ts=5f8cb86e#slide=id.g9d4084c3c1_0_0 edit] | |||
=Build Procedure= | |||
See [[Seed Home v2 Build Instructions]] | |||
=Costs= | |||
*$5-7/sf - [https://homeguide.com/costs/concrete-slab-cost] [https://howmuch.net/costs/concrete-foundation][https://www.homeadvisor.com/cost/foundations/install-a-foundation/] | *$5-7/sf - [https://homeguide.com/costs/concrete-slab-cost] [https://howmuch.net/costs/concrete-foundation][https://www.homeadvisor.com/cost/foundations/install-a-foundation/] | ||
*A slab foundation already includes a floor - so cost would cover two elements of the building | *A slab foundation already includes a floor - so cost would cover two elements of the building | ||
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=Cost= | =Cost= | ||
*$7300 to $8800 for 1000 sf - [https://www.homewyse.com/services/cost_to_install_cement_slab.html]. Excavation and gravel not included. | *$7300 to $8800 for 1000 sf - [https://www.homewyse.com/services/cost_to_install_cement_slab.html]. Excavation and gravel not included. | ||
*Needs gravel - $1k. $600 for 1000 sf 6" deep at $20/yard [https://www.omnicalculator.com/construction/gravel] | |||
*Grading. 60c-$1.25/sf prep - [https://www.remodelingexpense.com/costs/cost-of-concrete-slabs/] | |||
=Comparison= | |||
*[[Seed Home 2]] budget costs $3111 for foundation per module - [https://docs.google.com/spreadsheets/d/1UioEvjS8wkFZcrV8PwtVGrClyEiJA7zSKXNEeKEi7qw/edit#gid=1586353457] - so $12444 for 1000 sf. Because this includes the floor. Concrete slab is both foundation and floor. | |||
=Estimates= | |||
==Estimate Request Form== | |||
*[[Slab Foundation Estimate Request]] | |||
=First Principle Concrete Cost Calculator= | |||
Latest revision as of 03:26, 8 December 2020
Technical Design
Build Procedure
See Seed Home v2 Build Instructions
Costs
- $5-7/sf - [1] [2][3]
- A slab foundation already includes a floor - so cost would cover two elements of the building
- Although a concrete foundation can get expensive in areas with deep frost lines, a frost protected foundation only needs to be 18 in deep. This means that the cost of a slab foundation in the South and Midwest would be about the same.
- Concrete foundations can support 1 or 2 stories without added cost
- House foundation - $7 - [4]
- National average $9 - [5]
Cost
- $7300 to $8800 for 1000 sf - [6]. Excavation and gravel not included.
- Needs gravel - $1k. $600 for 1000 sf 6" deep at $20/yard [7]
- Grading. 60c-$1.25/sf prep - [8]
Comparison
- Seed Home 2 budget costs $3111 for foundation per module - [9] - so $12444 for 1000 sf. Because this includes the floor. Concrete slab is both foundation and floor.