Roof Drip Edge Code

In the state of florida the florida building code fbc which is applicable to commercial construction and the florida building code residential fbc r which is applicable to one and two family dwellings provide options for the installation of the drip edge.

Roof drip edge code.

The code specifically states that the drip edge shall extend a minimum of 1 4 inch 6 4 mm down the eave and a minimum of 2 inches 51 mm over the deck. It must extend on the roof a minimum of two inches and down a minimum of 1 4. Section r905 2 8 5 drip edge of the 2012 international residential code for one and two family dwellings state minimum standard residential code states. Chimneys must be topped with a metal or stone cap that has a drip edge.

Have adopted the irc which means that drip edges are required for most buildings in those states. Most states in the u s. A drip edge shall be provided at eaves and gables of shingle roofs. This drip edge is bent to a 90 degree angle and has a lower flange at the bottom.

This is the classic l shaped drip edge sometimes called l style. A drip edge must be provided up the gables on top of the underlayment. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. Sometimes it is called drip metal d metal or t style.

With fasteners as specified in section r905 2 5. This profile of drip edge is shaped like a t with a lower flange at the bottom. Drip edges shall be mechanically fastened to the roof deck at not more than 12 inches 305 mm o c. Because of how important it is a drip edge is something that any building owner should consider.

Drip edges shall be mechanically fastened to the roof deck at not more than 12 inches 305 mm o c. Florida building code on roof drip edge. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. It must be nailed 12 o c.

Underlayment shall be installed over the drip edge along eaves and under the drip edge along rake edges. Drip edges have been required by the international residential code since the 2012 revision. The metal shall overlap a minimum of 2 inches 51 mm and should be fastened with the appropriate fasteners every 12 inches 305 mm on center. Drip edges shall extend not less than 1 4 inch 6 4 mm below the roof sheathing and extend up back onto the roof deck not less than 2 inches 51 mm.