The Slab Decision: Difference between revisions
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We are excited about [[Helical Pier Foundations]]. However, for the purpose of [[Seed Home 2]] - the slab has a distinct labor advantage in rollout - Phase 1. Here's why: | We are excited about [[Helical Pier Foundations]]. However, for the purpose of [[Seed Home 2]] - the slab has a distinct labor advantage in rollout - Phase 1. Here's why: | ||
#Overall house cost is comparable. A slab appears to be more expensive by itelf(estimated $10/sf based on $8k avarege + $1k gravel + $1k excavation) see [[Concrete Slab]]. | #'''Overall house cost is comparable.''' A slab appears to be more expensive by itelf(estimated $10/sf based on $8k avarege + $1k gravel + $1k excavation) see [[Concrete Slab]]. | ||
#'''Owner-builder labor is reduced significantly.''' In our model, a foundation is outsourced (beyond the scope of a novice owner-builder) - whether helical pier or concrete slab. In the slab case - the labor savings is the floor. In the helical pier case - a framed floor module with 3/4" plywood is no longer needed! That is 1-2 days of work saved. | #'''Owner-builder labor is reduced significantly.''' In our model, a foundation is outsourced (beyond the scope of a novice owner-builder) - whether helical pier or concrete slab. In the slab case - the labor savings is the floor. In the helical pier case - a framed floor module with 3/4" plywood is no longer needed! That is 1-2 days of work saved. | ||
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Revision as of 17:35, 21 September 2020
We are excited about Helical Pier Foundations. However, for the purpose of Seed Home 2 - the slab has a distinct labor advantage in rollout - Phase 1. Here's why:
- Overall house cost is comparable. A slab appears to be more expensive by itelf(estimated $10/sf based on $8k avarege + $1k gravel + $1k excavation) see Concrete Slab.
- Owner-builder labor is reduced significantly. In our model, a foundation is outsourced (beyond the scope of a novice owner-builder) - whether helical pier or concrete slab. In the slab case - the labor savings is the floor. In the helical pier case - a framed floor module with 3/4" plywood is no longer needed! That is 1-2 days of work saved.