Educate yourself with these helpful tips before installing a skylight.
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Be sure your ladder is the right type and height, and that you are wearing footwear with the proper traction. Depending on the slope of your roof, you may want to consider using roof jacks to support a 2" x 12" board to stand on while you work -- when doing so, secure the roof jacks with nails and make sure the nails are driven into the roof joists and not just through the sheathing.
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