High Performance Basement with Insulated Concrete Forms
- Audree Grubesic
- Feb 8, 2024
- 2 min read
Updated: Feb 17
On this edition of High Performance Build on Offsite Dirt, Mark Wille, Aron Jones, and Joe Konopacki review the assembly details of Shaun St-Amour's latest basement. The work by the specialists that are working on Clay Construction Inc.'s high performance project, showcase a high-performance basement, utilizing Insulated Concrete Forms (ICF) for superior insulation and structural strength.
By integrating a Stego membrane, a durable vapor control layer, to prevent moisture infiltration and enhance indoor air quality, the team will ensure optimal air sealing by carefully sealing all gaps and joints in the foundation and walls. With combination of ICF construction and meticulous air sealing with a Stego membrane will result in a well-insulated, energy-efficient, and moisture-resistant basement space.
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A high-performance basement works only when moisture, air, and thermal control are handled together—not as separate details. Building science made simple breaks down how vapor barriers, air sealing, and insulation interact so basements stay dry, efficient, and healthy over time.
Big Dog Construction: Building Differently with ICF on a High Performance Build
ICF basements are a powerful strategy when you want structure and insulation working as one system. This feature on Big Dog Construction shows how ICF assemblies, careful detailing, and sequencing can improve durability, comfort, and airtightness—especially in below-grade conditions.
Basements are one of the most moisture-sensitive areas of any home, and small gaps can turn into big problems. This guide on moisture solutions covers practical approaches to bulk water management, vapor control, and drying potential—so you can prevent mold, odors, and long-term damage.
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