Backer Rod & Sealant

Related terms

• Sealant

  A material applied to a surface or joint to block the passage of water, air, or stains. Stone counters, grout, and exterior penetrations…

• Balancer

  The spring or counterweight mechanism in a hung window that holds the sash open at any height. A common failure point in older windows.

• Awning Window

  A window hinged at the top that swings out from the bottom, shedding rain so it can stay open in light weather. Often used high on walls…

• Barn Door

  A surface-mounted sliding door on an exposed track, a design-driven space saver that does not seal or soundproof like a swing door.

• Astragal

  The vertical molding/seal where a pair of doors meets, closing the gap and providing a stop and weather seal.

• Bay Window

  A multi-panel window assembly that projects outward from the wall in an angled bay, adding light, view, and interior space.

• Argon / Krypton Fill

  Inert gas sealed between glass panes; denser than air, it slows heat transfer. Krypton outperforms argon in thinner triple-pane cavities.

• Bifold Door

  A door of hinged panels that fold against each other, common on closets and as wide multi-panel patio walls.