Before you go out and purchase your 3 tab shingles you will first need to figure out how many of them you will need.
How to shingle a roof 3 tab.
This will help determine how the shingles will lay on the roof width.
The winds or amount of sun the roof is exposed to may make the heavier dimensional shingle a better choice too.
The 3 tab asphalt shingle also called a composition shingle or fiberglass shingle is the most common type of roofing shingle.
If your roof s width is not an even multiple of the shingle s length you will have a partial piece on one end of each row.
The others offer sculpted edges and 3 dimensional finishes.
Most asphalt shingles are 3 feet 91 4 centimeters in length.
They are typically 36 inches long in total.
Measure your roof so you can be sure you buy the right amount of shingles.
You will simply need to add up the total square footage of your roof and divide it by 100.
Architectural shingles are another option and are installed the same way as 3 tab shingles but give your roof more of a 3 d effect due to their varied shapes.
Also place a nail 2 inches from each end of the shingle in line with the other two.
Expect to re shingle more frequently with a 3 tab than with a higher quality shingle.
Other composition shingles such as architectural and random cutouts are installed using most of the same techniques.
Roofing contractor jack viera demonstrates installing three tab asphalt roof shingles.
The color of shingle you pick is also important.
A 3 tab has a regular pattern.
Measure the length of a shingle as it lies across the roof.
Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle.
However make sure that you do not nail into the tar strip.
In all use four nails per 3 tab shingle.