Glossary

a two-sided roof style with a ridge where two roof planes meet and slope away from each other

A gallon is the liquid volume measurement indicating tank size of a compressor

Galvanized is a term to describe thin Zinc plating applied to steel to resist corrosion when exposed to moisture

a 4 sided roof style with all sides meeting at a high point or ridge and each side has two different slopes with the lower plane being a steeper slope and the upper plane being less steep

A gang is the width of a junction box that holds one electrical device like a switch or outlet

A Ground Fault Circuit Interrupter  or GFCI is a shock prevention device that shuts off power if an imbalance of current flow is detected between the line and neutral wires

 see Beam

Glazing is a term used to describe the glass components of a window

Gloss is a term used to describe the highest sheen for paint which has more shine than semi-gloss

The grain of wood is the pattern of the tree growth rings as they show in a milled piece of lumber. Wood grain affects the strength of wood and follows the cellular structure of the tree which always runs the length of a cut lumber board.