SIW Hurricane Impact Resistant Windows & Doors manufactures the highest quality aluminum Impact resistant windows and doors. SIW offers a complete line of impact windows including casements, project-outs, rolling, single hungs, fixed and architectural windows that we design to protect and resist hurricanes. If you are looking for hurricane windows and doors manufacturers in Miami, Boca Raton, Delray Beach or the surrounding areas, SIW is the logical choice.