Ensure that your buildings all have efficient airflow.

Regardless of the size or purpose of the metal buildings you construct, it's essential that they be finished with proper venting and louvers so the interior air circulates effectively. Whirlwind can help you make this happen. With Whirlwind, you can choose the exact metal louvers you need — from the material, to the size and shape, to the finish.

  • Pre-finished and ready to install, no trim needed
  • Fixed or adjustable
  • Finished in Galvalume® finish or pre-painted to match the wall panel color
  • Standard or heavy-duty gauge

Save time ordering all your accessories from Whirlwind

For all your buildings' metal parts, accessories and components, you can't choose a more reliable, service-oriented resource than Whirlwind. Every purchase is fully backed by Whirlwind's more than 60 years dedicated to providing the parts you need and helping you finish every project on schedule.