Georgia Roof Guide

What size is standard drip edge?

Short answer. Standard drip edge comes in 10 foot lengths, with a roof flange that commonly ranges from about 1-1/2 to 3 inches and a face of similar size, depending on the profile. The International Residential Code sets the practical minimum: the metal must extend at least 2 inches onto the deck and 1/4 inch below the sheathing.

Reading the label

Drip edge is usually labeled by its two leg dimensions, roof flange first and face second, plus profile and material. A product called 2 by 2 aluminum drip edge has roughly a 2 inch flange and a 2 inch face. T-style products also list the size of the kick-out lip. Common sizes run from about 1-1/2 by 1-1/2 up to 3 by 3, with longer faces available on gutter aprons.

Code minimums

A flange narrower than 2 inches does not meet that rule, so the smallest stock sizes may not suit a reroof.

Thickness and materials

Aluminum drip edge comes in several thicknesses, and galvanized steel versions are stiffer. Copper appears on high-end homes with copper gutters. Thicker metal resists denting from ladders and gutter work.

Standard on Georgia homes

Most Georgia reroofs use a T-style or extended drip edge in white, brown or black with a flange of about 2 inches or more, sized to the fascia and gutter. If you are matching existing drip edge for a repair, measure both legs and photograph the profile before buying. See drip edge explained and roof flashing explained.

In depth

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