How To Install A Skylight On A Flat Roof

This underlayment will direct any water that may get through the metal flashing onto the roofing felt.

How to install a skylight on a flat roof.

Determine where you wish to place the skylights. Depending on the circumstances such as roof pitch interior light shaft depth and shape and weather installations can take between half a day and three days. A skylight installation happens in two phases. How to install skylights in a flat roof.

Step 2 measure and mark. Step 5 install skylight. If you have to replace shingles around a skylight examine the old flashing. Step 4 frame skylight.

Watch this video to see how to install this skylight and the various steps to securing the roof window. Install 6 in wide strips of a self sticking waterproof underlayment. Prepare to chip off the skylight rim s roofing cement if you find that the skylight is the type with a built in flange known as a deck mount model screwed and cemented directly to the flat roof. Install from the bottom up lapping each piece on top of the lower one.

Next slip individual pieces of step flashing under the shingles. Step 1 plan design. Consider factors such as the. The rooftop portion of the skylight installation includes cutting the hole and fastening the skylight to the roof with the three layers of protection found in velux no leak skylights.

The best way to attach the rubber roof to the skylight is with modified bitumen adhesive. On each side start at the bottom and work up. Look at the model you wish to install. Skyview is our most popular fixed flat roof skylight.

In this case there is no step flashing as on a shingle roof. Skylight flashing for a flat roof. Step 3 cut roof.