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Calvert USA, Inc./ Calvert Stairs company is now closed for business. We are no longer able to sell any of the Calvert Attic stairs. We apologize for any inconvenience this will cause.

If you have used Calvert Attic Stairs before and are returning customer, we would like to hear from you. Please email a note about your  experience with Calvert Attic Stairs. If you had positive experience and you feel our products will be missed, we really need to hear from you, please take a minute and send us a message. Thank you!

For warranty requests or replacement parts please email us at To expedite your request please submit model number, invoice number, name of the purchaser, photos of the parts requested and photos of the entire attic ladder including the floor and ceiling, from at least two angles. Requests which do not include the photos of the entire unit, including the floor and the ceiling, will not be processed!

Phone: (301) 247-1922

Technical assistance is available 9:00 AM to 3:00 PM (ET) M-F only.

Our mailing address:

Calvert USA, Inc.

Pobox 841

Solomons, MD 20688

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Calvert USA, Inc., All rights reserved, Calvert Attic Stairs, Calvert Stairs are trademarks of Calvert USA, Inc.