How To Install Skylight Through Attic

Wrap the top part around the skylight s frame as shown and press the other part against the roof.

How to install skylight through attic.

If the skylight is mounted above an attic you ll also need to cut and frame a hole in the ceiling of the room below it and frame a light shaft through the attic. Finish the interior installation process last and check all seals before tackling any paint and plaster touch ups. Next drive 4 deck screws through the roof from the inside to hold the skylight in place. 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.

Because it s complex to build it adds about 1 500 to a professional installation. Then lay sheathing around the hole to prevent water leakages before inserting the skylight. A skylight installation happens in two phases. Cover the side flanges then the top in the same way.

Install the skylight according to the model specifications. Cut the extensions at a 45 degree angle out from both corners of the skylight. Install the flashing from the roof of the home and be sure not to attempt this step of the project alone. Go into the attic.

Use the hole as a reference only because the skylight location should be adjusted to match up with the rafters. Typically it s finished with drywall and painted. Cover the bottom flange with a strip of membrane that extends 6 inches past the skylight s sides. A chase is a framed tunnel that channels light from the skylight through your attic space to the ceiling below.

To install a skylight start by cutting a hole through the roof and ceiling from the outside that s large enough to hold the skylight.