Conditioning a crawlspace involves polyethylene sheathing used in conjunction with a ccSPF insulated perimeter to safeguard mechanicals, foundation, and indoor air quality. Sealed off from both outside air and soil vapors, the house's own HVAC system can easily regulate air flow within the space, creating an even and homogenous environment nearly identical to the living areas.
Medium-density closed cell spray foam insulation applied directly to the duct-line for a more integrated, airtight HVAC delivery system. Best suited for rigid metal ducts, this system integrates the insulation directly onto the duct substrate, negating the need to periodically repair or re-wrap duct-line. Unlike fiberglass, ccSPF insulated duct prevents condensate from harboring mold growth.
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