How To Install Skylight Through Attic

Drill a hole through the roof at about the center of the skylight.

How to install skylight through attic.

Finish the interior installation process last and check all seals before tackling any paint and plaster touch ups. Install the flashing from the roof of the home and be sure not to attempt this step of the project alone. Install the skylight according to the model specifications. If you re not familiar with basic carpentry practices or you are installing a large skylight that will require the removal of more than one roof rafter consult a professional builder.

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. Wrap the top part around the skylight s frame as shown and press the other part against the roof. Next drive 4 deck screws through the roof from the inside to hold the skylight in place. Then lay sheathing around the hole to prevent water leakages before inserting the skylight.

A skylight installation happens in two phases. Because it s complex to build it adds about 1 500 to a professional installation. 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.

Go into the attic. Cover the side flanges then the top in the same way. Typically it s finished with drywall and painted. Perform a water test.

Use the hole as a reference only because the skylight location should be adjusted to match up with the rafters.