Installing the roof light with a minimum 3 degree pitch will avoid this but our recommendation would be to install at a 5 degree pitch for more efficient results and improved drainage.
Install floodlight on flat roof.
Flood lights are mounted to the soffit of the house.
Here are the basic steps.
Unlike flat roof rooflights which are mounted onto an upstand roof windows are installed in plane meaning they follow the pitch of the roof and are mounted flush with the surface.
How to install flood lights.
Look for skylights with a pre soldered lip for ease of installation.
Hold the piece of drywall flat against the underside of a joist and raise or lower the fixture so the lower end of the opening for the bulb is even with the face of the drywall gauge.
Look at the model you wish to install.
Installing floodlights can enhance the security and appearance of your home.
Learn how to configure install flood lights to illuminate your yard to improve safety security in your home.
Once the mounting strap is in place you should have full access to the electrical wires.
Be aware of the closest junction box interior switch.
Begin by placing the new flood lights where the existing light fixture was affixed and attach the mounting strap.
Depending on where you want to install your floodlights you may be better off hiring an electrician to do the work.