How To Add New Shingles To Existing Roof

After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.

How to add new shingles to existing roof.

Building the new roof. 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. Remove the ridge caps. 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.

Their tab slots should not line up with the tab slots of the starter course if there are any. So if there are already two layers the choice is made for you. Take careful measurements to determine how many trusses you will need. Nail the shingles just above the tab slots.

Starting two courses higher than where the new ridge meets the old roof unseal the shingle tabs a thin flat bar or a joint taping knife works well and pop the nails of the overlying course. How to roof over existing shingles step 1. By margaret of lotus ca question. I am replacing a deck with a covered porch.

Doing it now will make it easier to keep the job clean. If you nick or tear the old flashing piece then go buy a new one. How to tie into existing roof shingles step 1. Install new shingles to the lower edge of the opening.

How to tie a additions roof to existing roof roof designs to attach to existing home how to construct a roof from an exsisting shead how to attach a deck roof to existing roof how to add a roof over porch cost to tie into existing roof attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing. Use a roofing shovel. The very first step is to set up the trusses or rafters of the addition s walls so that. The next step in the process is to install a valley board over the old shingles.

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. Up from the valley center and cut through the shingles and underlayment. Dave gives her some advice to help her with this project. 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.

Install the valley board. Cut the existing shingles and pry up carefully. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the.