The punched-out part of a nailing hem (material removed) for the purpose of fastening a siding panel.
National Fenestration Rating Council. A body that has established methods for rating and certifying the energy performance of windows, doors, skylights and other fenestration products.
The 1000 Series North Star windows have a traditional look with a 3-1/4″ deep frame that is well suited for most applications. Energy-efficient and durable, this window is available in a casement, awning, single-hung, double-hung, single-slider, double-slider and custom shape.
Series 4000/5000 North Star windows are available in two frame depths – 4-1/2″ (4000 Series) and 5-1/4″ (5000 Series) – this full-frame window positions the insulated glass unit on the warm side of the building envelope (the interior wall of your home), for reduced condensation and greater comfort. Available in a casement, awning, single-hung, and single-slider.
The North Star 4000/5000 Hybrid Series window has the same features as the vinyl 4000/5000 series, but offers the benefits of an aluminum exterior in one innovative window system. This durable design unites the clean lines of an aluminum exterior with the easy maintenance and energy efficiency of a vinyl interior. Available in a casement, awning, single-hung, picture, custom and single-slider.
A palladian window is a specific type of window design, a large, three-section window where the center section is arched and larger than the two side sections.
A picture window is a fixed window with no operational parts or hardware. Picture windows are the most economical of all other types of windows, they provide superior energy efficiency and they offer the greatest flexibility in sizing. Read more about picture windows.
A plastic material used for glazing.
A thermoplastic material used for building components. (eg: siding, soffit, fascia, rain gutter, window and door profiles)
The R-value represents the resistance a material has to heat flow. It measures the effectiveness of insulation in stopping heat flow. There is no set rating scale.