Shingle to the middle of the ridge then start from the other end.
Installing comp roofing.
Apply roofing cement to the roof.
Drive the nails about 1 1 2 inches from the sides and just below the self sealing strip.
This second row will go directly over the first row.
Use a trowel to scoop up the roofing cement.
Spread a 2 inch wide strip of roofing cement with a roofing brush to the top edge of the already installed roofing.
With a pneumatic nail gun the job goes a lot faster.
Apply about two inches worth of cement under either side to seal the roofing down and then nail it down making sure it still stays flat and even as you go.
However do not do this if a ridge vent system is being installed as well.
With most professional licensed insured roofing contractors the installation cost is usually about 60 of the total cost.
Once the first row is done add approximately two inches of cement to the top of the first row to secure the second row of roofing.
Step 4 place the second layer of composite roofing shingles.
You can get roofing cement at the local hardware or building supplies store.
Spread the roofing cement along the edges of your roof so it s about 1 8 1 4 inch 3 2 6 4 mm thick.
Install the last course.
Thus a 3 tab composition shingle roof will cost an average of 350 to 450 per square to install.
Where several workers are installing shingles one usually begins by installing shingles along the eave overhang while others begin filling in the field working from bottom to top.
Install ridgecaps along the lines leaving a 5 inch reveal.
Bend the last course of shingles over the ridge up to about 6 inches and nail it onto the other side so that the roofing extends over the top of the ridge where nails will be covered leaving no exposed nails.
Make sure the shingle overhangs the eave edge by 1 2 inch along the entire starter row.
Put the nails only 3 inches above the eave.
This video details the five most common mistake when installing asphalt shingles.
While the cement is still tacky press the next row into it and drive nails along.
The installation assumes a single story house such as ranch cape or colonial with a hip and gable combination roof.
Begin at the bottom left corner of a roof surface and work toward the right and upward from the eave line to the peak.
Since this is the least difficult of roofing materials to install only basic carpentry skills are needed.
Use four roofing nails per shingle.
Working with a helper expect to spend half a day installing flashings and roll roofing for a 700 square foot roof with modest complications.
Prepare the roof by tearing off the old shingles or by preparing for a reroof.