Buyer handbook
Impact Window Playbook

Impact Resistant Windows

Impact-resistant windows are opening-protection products built to take debris. FEMA lists laminated systems and polycarbonate systems. Laminated systems use two or more glass panes and an interlayer of film. PNNL says products must be rated and labeled to ASTM E 1996 and ASTM E 1886 or AAMA 506. PGT prints missile geometry as a 2X4, 9 pounds, 50 ft./second.

Last updated: August 23, 2026

What options does FEMA print for window openings?

FEMA optionPrinted role
Strengthen windowsListed under window-opening mitigation
Retrofit with impact-resistant glazingLaminated or polycarbonate systems
Install storm shuttersActive measure; shutters must be securely connected to the wall framing

Source: FEMA P-2181 Fact Sheet 3.2

What label names does PNNL print?

Building codes require impact-resistant glass, shutters, or panels for new homes located in “Windborne Debris Regions.” PNNL also notes TAS 202 for Broward and Miami-Dade Counties as an example of a local standard.

Source: Building America Solution Center

Cost strings for this query sit on impact resistant windows cost.

Frequently asked questions

What is impact-resistant glazing according to FEMA?

FEMA says impact-resistant glazing can include laminated glazing systems and polycarbonate systems. Laminated glazing systems are made with two or more glass panes and an interlayer of film laminated into the assembly.

What ASTM labels does PNNL print for impact-resistant products?

The Building America Solution Center states that impact-resistant products must be rated and labeled in accordance with ASTM E 1996 and ASTM E 1886 or AAMA 506.