A frame opening is designed to cover the wood substrate for an undermount sink. The opening is precisely matched to follow the shape of your sink.

Jamb, headers and flashing which surround an opening in the wall of a building.

Framing members (headers and jambs) and flashing which surround an opening in a wall or roof of a building for field installed accessories such as overhead doors, windows, louvers, or roof mounted heating/cooling units.

an structurally-framed opening in a roof of a building for use in installing large items such as HVAC units, skylights, or ventilators.

Framing (headers, sills, and jambs) and flashing which surround an opening in a building. Usually provided to accommodate field installed accessories such as sliding doors, roll-up doors, etc.

Opening in a wall that is framed with light gage members.

Framing members and flashing which surround openings in the walls or roof of a steel building system. Framed openings are usually created in order to install accessories such as doors, windows, and roof exhaust systems.

an opening in a wall or roof of a building, surrounded by structural framing, usually for field installed accessories such as skylights or ventilators.