How To Add New Shingles To Existing Roof

The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.

How to add new shingles to existing roof. The very first step is to set up the trusses or rafters of the addition s walls so that. Cut the existing shingles and pry up carefully. Install new shingles to the lower edge of the opening. Remove the cover and then nail the old shingles back down again.

The next step in the process is to install a valley board over the old shingles. You need to tear off the roof and install a new one. Nail the shingles just above the tab slots. Doing it now will make it easier to keep the job clean.

How to roof over existing shingles step 1. There are already two layers of shingles on your roof most building codes only allow two layers of any type of roofing on your home. To tie into the side of an existing roof put a new roof truss on the walls of the addition brace it upright then snap chalklines on the shingles to mark the center line of the new roof valleys where old and new roofs will connect. How to tie into existing roof shingles step 1.

Use a roofing shovel. Take careful measurements to determine how many trusses you will need. By margaret of lotus ca question. Up from the valley center and cut through the shingles and underlayment.

Install the valley board. I am replacing a deck with a covered porch. After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. Rip cut the shingles for the first course so they butt up against the third course of existing shingles and are even with the front edge of the starter course.

Integrate shingles on new porch roof with existing shingles on home one of our readers is interested in knowing how to integrate shingles on a new porch roof with the existing shingles on their home. Dave gives her some advice to help her with this project. Building the new roof. If you nick or tear the old flashing piece then go buy a new one.

Their tab slots should not line up with the tab slots of the starter course if there are any. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the. Remove the ridge caps.