Roof Drip Edge Code

Chimneys must be topped with a metal or stone cap that has a drip edge.

Roof drip edge code.

Because of how important it is a drip edge is something that any building owner should consider. Adjacent pieces of drip edge shall be overlapped a minimum of 2 inches 51 mm. 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. Most states in the u s.

Drip edges have been required by the international residential code since the 2012 revision. 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. Underlayment shall be installed over the drip edge along eaves and under the drip edge along rake edges. 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.

With fasteners as specified in section r905 2 5. 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. It must extend on the roof a minimum of two inches and down a minimum of 1 4. It must be nailed 12 o c.

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. Florida building code on roof drip edge. Drip edges shall be mechanically fastened to the roof deck at not more than 12 inches 305 mm o c.

This drip edge is bent to a 90 degree angle and has a lower flange at the bottom. Have adopted the irc which means that drip edges are required for most buildings in those states. 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. 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.

This profile of drip edge is shaped like a t with a lower flange at the bottom. Sometimes it is called drip metal d metal or t style. 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. With fasteners as specified in section r905 2 5.