Building Codes Assistance Project

Issue: As the primary barriers between a home and the outdoors that cover the openings in walls and roofs that also allow egress/ingress and let in light and views of the outdoors, high performance windows, doors, and skylights (fenestration) are essential to an energy efficient home. Choosing such products involves several considerations, including appearance, energy performance, human factor issues, technical performance, and cost. Other factors like building orientation, natural and artificial shading, and climate will influence the properties selected for windows, doors, and skylights installed throughout the home.

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