An uninsulated metal garage door in Florida is basically a 7-foot-tall radiator pointed at the rest of your house. Garages routinely hit 120 to 130°F in summer, and that heat doesn't politely stay in the garage. It pushes through shared walls into the kitchen, the bonus room, and (worst) any bedroom over the garage. Insulating the door is one of the cheapest comfort upgrades you can do.
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Most metal garage doors are single- or double-skinned panels with hollow interiors. We install rigid foam panels, polystyrene block-out, or batt-and-vinyl-back kits sized exactly to your panels, boosting the door from R-0 (uninsulated) up to R-6 to R-12 depending on the system you choose.
If you want the garage to be a usable space year-round, we usually combine garage-door insulation with two other moves:
Add a ductless mini-split if you want to actively cool the garage, and you have a comfortable workshop in July.
Yes. We use kits sized for your specific door so weight stays balanced, the opener still works, and the door still seals properly.
Most single-door insulation kits install for $200 to $500 depending on door size, R-value chosen, and material. Two-car doors run $400 to $800. We quote before installing.
Insulating the door alone will drop garage temps significantly but won't make it 72°F. To make the garage usable as a workshop or gym, you also need attic insulation above the garage and (usually) a ductless mini-split.