--- title: "Home Additions Built on Helical Piers: Stay warm year-round!" id: "49398" type: "post" slug: "home-additions-built-on-helical-piers-stay-warm-year-round" published_at: "2026-07-17T16:19:23+00:00" modified_at: "2026-08-14T15:52:24+00:00" url: "https://www.technometalpost.com/en-US/home-additions-built-on-helical-piers-stay-warm-year-round/" markdown_url: "https://www.technometalpost.com/en-US/home-additions-built-on-helical-piers-stay-warm-year-round.md" excerpt: "An Ideal Foundation Solution Helical piers are becoming the preferred foundation solution for homeowners planning an addition, and it’s easy to see why. Instead of dealing with the time, cost, and disruption associated with traditional foundations, helical piers offer a..." taxonomy_category: - "Articles" --- July 17, 2026 # Home Additions Built on Helical Piers: Stay warm year-round! ![Image](https://www.technometalpost.com/wp-content/uploads/Limite-isolation-confort-thermique-techno-pieux.jpg) ## An Ideal Foundation Solution [Helical piers](https://www.technometalpost.com/en-US/helical-piers/) are becoming the preferred foundation solution for homeowners [planning an addition](https://www.technometalpost.com/en-US/projects/additions/) , and it’s easy to see why. Instead of dealing with the time, cost, and disruption associated with traditional foundations, **helical piers offer a solid, quicker, and cleaner option**. Not to mention, a smoother start to your project. ## Properly Insulating an Addition Built on Helical Piers Of course, because your addition is elevated off the ground and exposed to external elements, maintaining thermal comfort becomes an important consideration. The open space underneath allows air to circulate, which leads to cooler floors if not insulated properly. That said, to have a comfortable floor year-round, you’ll need to follow five simple steps. ### 5 Essential Factors: - Choose the right insulation: Prioritize spray polyurethane foam (airtight and high-performing) or combine mineral wool between the joists with rigid extruded polystyrene panels underneath. - Block wind and moisture: Install a heavy-duty air barrier underneath the structure to block cold drafts, and a vapor barrier on the warm side (inside) to prevent condensation. - Protect the plumbing: Group your pipes together inside an insulated pipe chase and install a self-regulating heating cable to keep the water from freezing. - Seal the underside: Attach a fine metal mesh to block rodents, then cover everything with a durable material (treated plywood or vinyl) to protect and insulate from the weather. - Consult your contractor and architectural designer to ensure the construction details follow the [building codes](https://www.technometalpost.com/en-US/certifications/) and are properly designed. Building on Techno Metal Post’s screw pile foundations is ideal in these situations because of the accessibility it provides for proper insulation. Consider this a simplified way to expand your home and maintain a comfortable living space, no matter the season. It’s not just about supporting the structure; it’s about enjoying the additional space you’ve created without having to relocate. Following the same foundation and floor insulation concept, Techno Metal Post helical piers can also be used to [support your house, cottage](https://www.technometalpost.com/en-US/projects/homes-cottages/) , or an accessory dwelling unit (laneway house/garden suite). [Contact your local installer here](https://www.technometalpost.com/en-US/find-your-dealer/) for more information about our Techno Metal Post helical pier foundation system. 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