Slab on Grade
You're in the right place for step-by-step guides to insulated slab on grade foundations and floors especially if building a high-efficiency LEED, Passive House, ZNE, FPSF or Positive Energy or Passive Solar Homes.
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Slab on Grade
Welcome to the community discussion forum all about slab-on-grade foundations! This is the place to share questions, tips, and project stories related to designing and building one of the most energy-efficient and durable foundation types available. From ground prep to the final pour, every detail matters.
Whether you're a homeowner planning a new build in the USA or Canada, a professional builder in the UK or Australia, or a DIY enthusiast tackling a project, your insights are valuable. Let's connect and share knowledge on everything from choosing the right forming system to installing radiant heat and finishing the concrete.
Share Your Slab-on-Grade Forming and Pouring Experiences
Have you recently built a slab-on-grade foundation using systems like Insulated Concrete Forms (ICFs), or perhaps a monolithic or frost-protected shallow foundation (FPSF)? What were the biggest challenges you faced during the forming and concrete pouring stages? Share your experiences, photos, and any practical advice you have for others to help ensure a successful outcome. We also have Canada's and the USA's most comprehensive high performance and sustainable prefabricated and modular homes directory available here, searchable by Province or State, as well as the largest online directory of green construction contractors here on EcoHome.
Questions About Sub-Slab Insulation and Radiant Heat Tubing
Are you trying to determine the best type and thickness of rigid foam insulation for under your slab, or do you have questions about laying out hydronic radiant heat tubing? This is the forum to ask technical questions about creating a proper thermal break, ensuring an effective vapor barrier, and correctly spacing PEX tubing for even floor heating. Get advice from those who have hands-on experience with these critical details.
Discussing Concrete Finishing and Sealing Options
What are your favorite methods for finishing an interior concrete slab floor? Have you tried polishing, staining, or using an epoxy coating, and what were the results? Let's discuss the pros and cons of different sealers, the durability of various finishes, and how to achieve the best look for your home. Your recommendations can help others decide whether to leave their concrete exposed or use it as a base for other flooring.