Sunday, January 13, 2008

How to find out if the windows I am purchasing are real impact resistant?

For a window or door system to be considered impact-resistant certified, it must meet testing standards set forth by the American Society for Testing and Materials (ASTM). One of the most rigorous requirements comes from the Florida Building Code which, given the increase in frequency and strength of hurricanes in recent years, has incorporated many of the lessons learned from prior hurricane-driven disasters. The Florida Building Code, for example, requires that every exterior opening in a structure be protected against wind-borne debris. This protection can be accomplished by either storm shutters or by impact-resistant windows and doors.

To learn whether or not a product is considered impact resistant, ask your window dealer for a copy of the Notice of Acceptance (NOA) issued by the Miami-Dade County. The NOA is the document issued by the County which provides specific information, including dimensions, parts, materials, accessories and installation guidelines, about the particular product in question. The NOA certifies whether or not the product has passed the impact-resistant test. This product also sets forth an expiration date until which the approval has been issued for. NOAs can be downloaded at the Miami-Dade County's website.

Visit Astor Impact Windows for information about purchasing impact windows and doors. You can also email us at or call us at 1-800-573-1780.

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