Deck Beam

Related terms

• Joist

  One of the repetitive horizontal members that support a floor or ceiling, spanning between beams or walls. Joist size, spacing, and direc…

• Span

  The clear distance a member bridges between supports. Span tables (or an engineer) set the size and spacing required for a given load.

• Deck Fascia

  The trim board covering the outer rim joist for a finished edge, often matching or contrasting the decking.

• Course

  One horizontal row of siding running the length of the wall. Courses are kept level and to consistent exposure for a straight appearance.

• Deck Footing

  The concrete base below a deck post, sized and dug below the frost line to carry the post load without heaving or settling.

• Corner Post

  Trim at outside (and inside) wall corners that receives and finishes siding ends for a weather-tight, clean corner.

• Deck Joist

  The repetitive members spanning ledger to beam that the decking fastens to. Spacing (12–16 in.) depends on decking type and direction.

• Continuous Exterior Insulation

  Rigid foam over the sheathing, under the siding, that breaks thermal bridging through studs. Increasingly code-relevant and added during…