Is Drip Edge Required On Roof

If a new roof is going to maintain soundness and value is going to be added to a home a drip edge is a necessity.

Is drip edge required on roof.

Drip edge is installed around the whole perimeter of the roof. At the eaves when installing the drip edge on top the underlayment a 4 inch wide layer of asphalt roof cement complying with the astm d4586 type i or type ii is required. It is used to hold the underlayments down and create a watertight seal around the edge of the roof. A roof drip edge is one of those small details that many people overlook.

Protects against wind driven rain. Drip edges shall extend a minimum of 0 25 inch 6 4 mm below the roof sheathing and extend up the roof deck a minimum of 2 inches 51 mm. Why is a drip edge important. But minor as it may seem the drip edge is an important part of keeping a building in good shape and avoiding costly repairs in the future.

The correct placement of a roof drip edge is on top of the roof s exterior cover directly between the sheathing and the fascia board which forms a drainage gap between the drip edge and the fascia board. As a result the drainage improves water flow and protects the roof from potential water damage. Drip edges have been required by the international residential code since the 2012 revision. Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.

It is non corrosive and non staining so that your roof looks good but is structurally stable. Drip edge on roof installation is a key component often overlooked by novice or inexpensive roofing contractors when completing your roof replacement. Drip edge is crucial for a couple reasons. Drip edge is a metal flashing that is installed at the edges of the roof to help control the flow of water away from the fascia and to protect the underlying roofing components.

The drip edge should be installed on top of the underlayment at all rakes and below or on top of the underlayment at the eaves. Flashes the space between the decking and fascia boards. A roof installation that follows manufacturing standards and recommendations will specify that a drip edge be included. Protects against insects squirrels and other pests.

Whether installing a new roof on a home or undergoing new construction of a home inclusion of a drip edge should be part of any quality roof installation package. Drip edges are metal sheets usually shaped like an l installed at the edge of the roof. Directs water away from the fascia and prevents water from rotting the fascia over time. Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter.

Reduces movement between deck and fascia. Supports shingles and prolongs their lifespan. Only the face of the metal is seen and is usually just white one to one and half inch stripe located right under the shingles and above the fascia.