Nailing Flange / Fin

Related terms

• Flashing

  Thin water-resistant material installed at joints and transitions (roof-to-wall, around windows and penetrations) to direct water away an…

• New-Construction Window

  A window with a nailing flange for installation before siding goes on, used in new builds and full-frame replacements with siding removed.

• Sheathing

  The structural panel layer (plywood or OSB) attached to studs or rafters that braces the frame and provides a base for siding, roofing, o…

• NFRC Label

  The National Fenestration Rating Council label that reports U-factor, SHGC, VT, and air leakage so windows can be compared on a common ba…

• Muntin / Grille

  The narrow bars dividing a window into smaller panes (true divided lite) or simulating that look (grilles between or on the glass).

• Obscure / Privacy Glass

  Textured, frosted, or patterned glass that transmits light but blocks view, used in bathrooms and entry sidelights.

• Mullion (Door)

  A removable or fixed center post between a pair of doors against which active leaves latch.

• Panel Door

  A door built of a stile-and-rail frame surrounding raised or flat panels — the traditional look (e.g., two-panel, six-panel).