How To Flash Sky Light On Metal Roofing

It cannot be flush mounted.

How to flash sky light on metal roofing.

Then fold the tabs on all sides of the skylight and screw them down. This underlayment will direct any water that may get through the metal flashing onto the roofing felt. Align the grooves on the skylight fins. Deduct the width of the fins on each side of the skylight and mark another outline on the roof to define the area to.

A skylight in a metal roof must be curb mounted in order to be properly flashed. Install from the bottom up lapping each piece on top of the lower one. Install 6 in wide strips of a self sticking waterproof underlayment. If you have to replace shingles around a skylight examine the old flashing.

Secure by nailing the flashing to the roof. The curb allows the installer to install metal flashing for long lasting water shedding and leak free installation. Flashing a skylight may involve sealant as one line of defense against water infiltration but above all there must be good flashing. Repeat to install the flashing to all sides of the skylight frame.

Once the metal flashings are ready place the pieces between the roof and skylight above the roof and under the skylight. How to put a skylight in a corrugated metal roof 1. Place the skylight unit on the roof at the desired location. Curb mounted means a box like structure constructed with 2 x 4 or 2 x 6 lumber that elevates the skylight off the roof deck.

Flashing around a skylight while working with the matterhorn tile metal roofing system as explained by matterhorn s ben degraaf. We use karnak 81 or karnak 66 trowel grade. Install ice water shield peel stick underlayment down the curb onto the roof deck. Metal roofing manufacturers can explain how to flash their products against skylights and other protrusions.