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Impact windows and doors go through a series of rigorous tests. Six basic criteria are tested: air infiltration, water resistance, forced entry, wind resistance, flying debris impact resistance and 9,000 internal/external pressure cycles. This cycling simulates the buffeting effect of hurricane winds after the window is impacted and typically broken. The objective of these procedures is to ensure that the windows and doors, typically the weakest elements of a structure, do not compromise the home during a storm.
 
Non-impact products can be classified as any product that has not met the hurricane or wind-borne debris requirements, also known as hurricane codes, of an approved code body such as Miami Dade, Florida Building or the International Building Code.
 
Distinct Advantage of Impact Resistant Windows and Doors
Impact resistant windows and doors are designed to resist the penetration of flying debris, thus protecting a structure from wind infiltration. The most severe hurricane damage to a structure is typically caused by penetrating a structure and allowing winds to enter, creating internal pressure that can cause structural damage.
 
Hurricane code approved impact windows and doors offer home and business owners the benefit of safety, sound reduction, UV reduction and security.
 
Cost Comparisons
Numerous industry studies have been conducted to determine how impact resistant windows and doors compare in cost with other code-approved products for hurricane protection. When comparing the cost of an impact and non-impact product, make sure to look at comparable quality. Combine the cost of the non-impact product and the shutter system and compare that to the singular cost of an impact resistant window. Other considerations include cost or effort in installing and removing shutters. Also, the value of your home or building is likely to increase with the installation of CGI windows or doors.