Find everything you need to know about Asphalt Shingles right here
Roofing Over Existing Shingles
at the eave end, as would be done for a roof laid on bare sheathing. This provides added protection against ice dams. Asphalt shingles can be laid over cedar shakes or shingles, a job best left to pros. Beveled wood pieces called "horsefeathers" must
Installing Valley Flashing
This slideshow shows three ways to shingle a valley for the best protection against leaks.
Installing Three-tab Shingles
This story shows you the techniques and workflow for laying the most common type of shingle, the three-tab asphalt shingle.
Examine the plywood, planks, fascia, soffits, and other areas of sheathing that may need to be repaired, then follow the steps to get it fixed.
This slideshow shows you how to cover the sheathing of the roof with roofing felt, or "tar paper."
Installing Pre-shingle Flashings
Follow the instructions here to install an open metal valley. The valley flashing must be installed after the underlayment and before the shingles.