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This project evaluates the cost-effectiveness and maintenance requirements of slab versus crawlspace foundations for the Woodruff II home. The study aims to determine the optimal foundation type, considering initial costs and long-term maintenance. Findings suggest that while crawlspace foundations require more upkeep, slab foundations, though costly in maintenance, are beneficial for sloped terrains and provide insulation advantages. Ultimately, the slab foundation is favored for its durability, low initial cost, and suitability to the lot’s conditions.
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Project: FOUNDATION PLAN Image from Project • Background: In an attempt to cut cost a crawlspace foundation plan was researched and compared to the existing slab foundation planed for the Woodruff II home. • Objectives: • Establish Initial And Maintenance Cost Of Both Slab And Crawlspace Foundations. • Determine Optimal Foundation Regardless Of Price. • Apply Criteria And Select A Foundation Plan. • Findings/Solutions: • Crawlspace Foundations Will Require More Maintenance. • Slab Foundation Maintenance Is Costly. • Based On Initial Cost And Projected Maintenance The Slab Foundation Is The Best Option. • Slabs are better suited for sloped lots. • Slabs Can Be Insulated !! (kcmaster.com) Image from Project Benefits: HEALTH: Reduces Mold SUSTAINABILITY: Virtually No Maintenance COST: Very Cheap Concrete DURABILITY: Very Durable
Cost Comparison Concrete Slab Crawlspace 75% rebate On lumber purchased at Lowes results in an estimated $800 for lumber alone. Total cost estimate of $1500 for all materials Depending on height and yard slope. • Concrete is approximately $60 per Cubic Yard. • $900 for 15 yards of concrete considering the footer height. • All things considered expect roughly $1600.
Considerations • Additional Slab Supports. • foundationsupportworks.com • These supports are much deeper than the fill soil and therefore prevent cracking do to settlement of the top layers of ground under the slab. • Since the yard is sloped, the slab foundation is the ideal choice but proper soil preparations will be needed to prevent unwanted shifting.
Conclusion • The slab foundation is the ideal choice for this build considering the terrain and the low cost of concrete. However, a crawlspace foundation is a viable option for future builds built on level lots and proper run off control. • Questions?