The District of Columbia's climate presents a consistent need for high-performance fenestration. Summer thunderstorms can generate significant wind speeds and hail, while winter conditions require excellent thermal insulation to mitigate energy loss and prevent frost infiltration. Our impact-rated windows and doors are constructed with laminated glass, typically comprising two panes of glass bonded by a strong interlayer, such as Polyvinyl Butyral (PVB) or SentryGlas®, designed to withstand extreme impact forces and maintain structural integrity. This engineering is crucial for safeguarding properties against the unpredictable weather patterns prevalent in the Washington metropolitan area.
Common questions
Do you need a permit to install impact windows in the District of Columbia?
Yes, most significant structural modifications, including the installation of impact windows and doors, require proper permitting within the District of Columbia. This ensures compliance with local building codes and safety standards, such as those established by the International Building Code (IBC) and International Residential Code (IRC). We assist clients in navigating the necessary District of Columbia permitting processes to ensure all installations meet regulatory requirements.
How much does one impact window cost?
The cost of an individual impact window is influenced by several factors, including size, frame material (e.g., vinyl, aluminum, composite), glass type, and specific performance ratings. Custom sizes and specialized features will naturally command a higher investment. For precise project-specific cost evaluations, we strongly recommend a complimentary phone consultation to assess your unique needs and property characteristics.
What is an impact window?
An impact window, also referred to as hurricane or storm window, is engineered with specialized laminated glass designed to resist breakage from high winds, flying debris, and extreme weather events. The interlayer between the glass panes holds shattered glass together, preventing it from becoming dangerous projectiles and maintaining the integrity of the window opening even under significant stress.
What are the drawbacks of impact windows?
While offering superior protection, some impact windows may present minor aesthetic differences due to the thicker laminated glass and framing required for their robust performance. Additionally, the initial investment is typically higher than for standard windows. However, these factors are generally outweighed by enhanced security, reduced energy costs, and potential insurance premium reductions.
What is the highest rated impact window?
The highest-rated impact windows are those that have undergone rigorous testing and certification according to stringent industry standards, such as Miami-Dade County's TAS 201, 202, and 203, or ASTM E1886/E1996. These ratings signify a window's ability to withstand specific levels of impact and cyclic wind pressure, ensuring the utmost protection for your property against severe weather.
What is the highest rated impact window?
The highest-rated impact windows are those that have undergone rigorous testing and certification according to stringent industry standards, such as Miami-Dade County's TAS 201, 202, and 203, or ASTM E1886/E1996. These ratings signify a window's ability to withstand specific levels of impact and cyclic wind pressure, ensuring the utmost protection for your property against severe weather.
Useful reference: FEMA hurricane protection — opening protection standards.
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