ENERGY STAR (Windows)

Related terms

• Fiberglass Entry Door

  An exterior door with a fiberglass skin over an insulated core — dent- and rot-resistant, can mimic wood grain, low maintenance.

• Egress Window

  A window meeting code minimum size and sill height to serve as an emergency exit, required for bedrooms and finished basements.

• Fiberglass Window

  A pultruded-fiberglass frame that is strong, stable across temperature swings, and paintable. A premium, durable alternative to vinyl.

• Egress Code Requirement

  IRC minimums for an emergency escape opening — clear width, height, area (about 5.7 sq ft), and max sill height — that govern bedroom/bas…

• Fire-Rated Door

  A door assembly tested to resist fire for a set time, code-required between an attached garage and the living space and in certain other…

• Dutch Door

  A door split horizontally so the top and bottom open independently.

• Flashing Tape

  Self-adhered membrane lapped around a window opening in shingle fashion to drain incidental water out and away. The make-or-break of a le…

• Double-Pane / Double-Glazed

  A two-pane insulated glass unit, the modern baseline for energy-efficient windows.