"G" - Glossary of Post Frame Industry Terms

A B C D E F G H I J K L M N
O P Q R S T U V W X Y Z

Gable - On a roof system with a peaked end (or ends), the triangular portion of the endwall above the eaveline. Not structurally a good location for placement of fiberglass wall lights, as it breaks the endwall diaphragm.

Gable Roof - A ridged roof terminating in gables. A roof with one slope on each side. Each slope is of equal pitch.

Galvanized - Steel coated with zinc for corrosion resistance.

Gambrel Roof - This is the "traditional barn" style roof. Similar to a gable roof, only has a pitch change from steep at the eaves to a lesser slope approximately mid-point between the eave and ridge. May have useable attic space.

Girts - Horizontal, secondary framing members attached (generally at a right angle) to endwall or sidewall columns to support wall coverings. They collect the wind-induced wall loads and distribute them to the post frame.

Glued-laminated (glu-lam) Timber - A structural timber manufactured in a plant, consisting of assemblies of suitable selected and prepared wood laminations in which the grain of all lumber laminations is approximately parallel longitudinally, bonded together with adhesives.

Grade - The term used when referring to the ground elevation around a building.

Grade Girt (or Skirt Boards) - Pressure treated lumber installed at grade line to which the bottom of the building siding is normally installed.

Grade Line (grade level) - The line of intersection between the building exterior and the top of the soil, gravel, and/or pavement in contact with the building exterior. For post-frame building, generally assumed to be no lower than the lower edge of the skirt board.

Gusset Plate - A steel plate used to reinforce or connect structural elements (typically members of pre-fabricated roof trusses).

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