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Steel sandwich and polyurethane insulated slabs chosen for R‑value, condensation control, and quieter operation on heated garages.
Attached garages share walls with living space—cold slabs radiate drafts and bake in July sun. Insulated replacements pair thermal breaks with bulb weatherseal upgrades so workshops stay usable and humidity stops frosting hardware tracks along Lake Minnetonka shorelines.
We ask how you heat the bay, whether cars drip brine inside, and if noise matters to bedrooms overhead.
We compare polystyrene vs polyurethane at equal thickness, steel gauge options, and window packages that retain seals.
We replace springs for added weight, upgrade rollers for quiet steel‑on‑steel contact, and verify opener force settings post‑install.
Usually for heated garages where thickness is tight—better R per inch than polystyrene at the same overall thickness.
It helps dramatically but airflow and drainage still matter—we advise on floor slope and exhaust fans when needed.
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