To shingle on top of existing shingles there are a few things you want to make sure.
Roof move roof ridge.
Position a ridge board down in the saddles of the supports.
For this we have to change the height of the right eave using offset from roof base at a negative value.
The top end of each rafter is cut at an angle so that it meets flush with one broadside of the ridge board and the ridge is sandwiched between the rafters.
Ridge vents openings that run the entire length of your roof along the ridge are often visible only to a trained eye.
Use 1 5 or 1 75 inch roofing nails.
In traditional house framing also called stick framing a basic roof frame consists of opposing pairs of sloping rafters that meet at their top ends at a ridge board or ridge beam.
Shingle a roof over existing shingles save 75 give or take.
Brace these supports in the centerline of the building.
In this next in a series of diy videos from the roofer chick ami feller learn how to damaged ridge cap on a residential roof.
No missing shingles no gaps no holes in the roof no soft spots because of water damage.
Example 1 a roof by footprint with equal slopes of 30 degrees.
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Butt these against the bottom of the old roof s third row and nail into place.
We used the formula.
Hidden in plain sight and often camoflauged by specialty ridge shingles.
Metal sales universal ridge 14 in x 126 in steel roof panel ridge caps.
Remove all the shingle caps from the roof ridge from one side of the roof to the other by prying them up with a pry bar and pulling out the nails with a claw hammer.
Your second row of shingles should be cut to 10 inches wide.
Create a saddle at the top with the braces the height of the building walls plus rise less the width of the ridge board.
We want to move the ridge by 1 50 meters to left.
2 snap a chalk line on either.