Iowa's climate presents a unique set of challenges for residential windows, characterized by extreme temperature differentials and a high incidence of severe convective storms. In the Des Moines area and across the state, straight-line winds exceeding 70 mph and large hail are not uncommon during spring and summer months, necessitating window systems capable of resisting significant impacts and pressure differentials. While Iowa's building codes are designed to address these threats, the efficacy of impact windows lies in their advanced construction, typically involving laminated glass with a strong interlayer, such as polyvinyl butyral (PVB), and robust frame designs, often utilizing reinforced vinyl or aluminum. These windows are engineered to withstand projectile impacts and substantial wind loads, offering a superior level of protection compared to conventional double-pane units. We ensure that all installations adhere to stringent building codes and employ best practices to maintain the structural integrity of the window system. The variables that influence the investment in impact windows are directly related to the specific performance ratings required for your location, the size and complexity of the window openings, and the chosen materials and testing standards met by the product.
Common questions
Do hurricane impact windows really work in Iowa?
While Iowa is not directly on the coast, 'hurricane impact windows' are a misnomer for the threats faced. However, the advanced technology behind these windows, particularly their resistance to high winds and large projectile impacts, is highly effective against Iowa's severe thunderstorms, straight-line winds, and hail. They offer superior protection for Des Moines homes.
Which hurricane windows are the best for Iowa?
The term 'hurricane windows' isn't the most accurate for Iowa, but windows tested for high-impact resistance are ideal. Look for products meeting stringent standards for wind pressure and missile impact, similar to those used in hurricane zones, as these will effectively protect against large hail and high winds common in Des Moines.
What is the difference between storm windows and hurricane windows in Iowa?
In Iowa, 'hurricane impact windows' refers to high-performance glazing designed for extreme weather. Standard 'storm windows' are typically secondary layers offering less protection. For the severe wind and hail events common in Des Moines, certified impact-resistant windows provide a significantly higher level of safety and durability.
Is it worth it to get impact windows in Iowa?
Yes, investing in impact-resistant windows in Iowa is worthwhile due to the state's frequent severe weather, including high winds and large hail. These windows protect against significant damage, potentially reduce insurance claims and premiums, and enhance the longevity and resale value of homes in areas like Des Moines.
Can I install impact windows myself in Iowa?
Installing impact-resistant windows in Iowa requires specialized knowledge and precise execution to ensure they perform as rated against severe weather. Improper installation can compromise their structural integrity and impact resistance. Professional installation is strongly advised to guarantee optimal protection and warranty compliance.
How do impact windows perform during Iowa's hailstorms?
Impact windows provide exceptional defense against Iowa's severe hailstorms. Their laminated glass construction is engineered to withstand the force of large, high-velocity hailstones, preventing breakage and penetration. This significantly reduces the risk of interior damage and maintains the home's protective envelope.
Useful reference: FEMA hurricane protection — opening protection standards.
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