How To Install Drip Edge Flashing On Existing Roof

Slip the wide flat flange of the material all the way under the first course of roof shingles as illustrated.

How to install drip edge flashing on existing roof.

Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. Apply a continuous bead of cement along the top of the drip edge then press down on the shingle. While the vertical leg should be placed 1 4 1 2 away from the fascia. 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.

How to install drip edge flashing to a new roof to install a drip edge on a newly constructed roof or on a re roofing job attach the drip edge along the roof s eaves first. If it doesn t pull the drip edge out slightly from under the shingles. Using drip edge with a nailing edge approx. Apply roofing cement when installing drip edge on an existing roof.

The roof leg should extend a minimum of 2 back onto the roof sheathing. Install the starter course. Use a flat pry bar to remove drip edge nails along the eave and rakes. 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.

The starter course is comprised. How to install a drip edge. Typically flashing is installed using roofing nails and roofing cement. This will allow for expansion and contraction and prevent buckling.

Slide the flat bar under starter course and pry out the nails. 4 deep nail the drip edge to the sheathing every 16 if installing multiple runs of drip edge lap them by 1 4 1 2 inch keeping the nail back from the lapped joint. Lift the shingles slide the drip edge underneath them and position it so that it extends over the gutters then replace the shingles and push down to seat the drip edge. Make sure the outer edge extends over the gutter.

At 7 05 paul begins replacing the drip edge roof flashing. Coat the flat part of the flashing that sits on the deck using a putty knife.