The short answer
A wind-rated or impact-rated garage door can cost more than a standard door, since it may include reinforced tracks, added bracing, and impact-tested glazing, and in South Carolina's wind-borne debris regions the residential code requires glazing in a garage door to be protected against wind-borne debris. The exact price depends on door size, material, and local wind-speed requirements rather than a single statewide rate, so no price range is listed here.
This page explains what drives the cost. It does not quote prices: no verified local price data has been published for this area, and every door is different. Assumptions: Wind-speed and debris-region requirements are set by the adopted state residential code and enforced locally, so the exact requirement for a given address should be verified with the county or city building department. No fixed prices are listed here; a rated door's price depends on size, brand, glazing, and local code requirements. Reviewed 2026-10-19.
Why Coastal South Carolina Sometimes Requires a Rated Door
South Carolina has adopted the International Residential Code with state amendments. In windborne debris regions, the code requires exterior glazing to be protected from wind-borne debris, and garage door glazed openings must meet an approved impact-resisting standard or ANSI/DASMA 115; garage doors must also meet the code's design wind-load requirements. Local building departments in counties such as Horry, Georgetown, Charleston, and Beaufort administer the exact wind-speed and debris-region boundaries, so a licensed contractor or local building office is the source for what applies to a specific address.
What Drives the Price Beyond the Base Door
A wider double door can need more bracing to meet the same wind-pressure rating than a single door, and impact-rated glazing options can add cost over a solid panel built to the same rating. An older opening may also need track, jamb, or header reinforcement to properly anchor a wind-rated door, which adds to the job beyond the door itself.
Cost factors
- Door size and configuration
- A double-wide door can need more bracing to meet the same wind-pressure rating than a single door, which affects material and labor.
- Required design wind speed / pressure zone
- Homes closer to the coast in counties like Horry, Charleston, and Beaufort can fall under higher wind-speed design requirements than inland Midlands or Upstate homes, which can call for heavier-duty hardware.
- Material and construction
- Reinforced steel with impact-tested glazing options is priced differently than a solid panel door engineered to the same wind rating.
- Existing frame and track condition
- An older opening may need track, jamb, or header reinforcement to properly anchor a wind-rated door, adding to the job beyond the door itself.
Published by South Carolina Garage Pros, a regional brand of USA Garage Pros · Updated 2026-10-19