When laying the shingles for the top row, cut 6 inches (15.2 centimeters) from the first shingle in the left corner of the roof using the utility knife. Place a whole shingle next to it.
How do you cut shingles on a roof?
Position the side of hook knife against the drip edge beneath the shingle, with the blade facing upward against the shingle medium. Using upward pressure, slide the knife toward you; this scores the shingle underside. Bend the shingle from the top and neatly break it off.
Are architectural shingles lighter than 3 tab?
Because laminated architectural shingles are heavier than 3-tab shingles and have the strength of multiple shingles, they can withstand stronger winds and more intense weather conditions. 3-tabs are much more vulnerable to wind, and can sometimes even be ripped away during stormy conditions.
What do roofers use to cut shingles?
A Shingle Cutter: Either Roofing Blade or Utility Knife
A utility knife is a fine choice that can handle the job, but a roofing knife is a bit more specialized and makes your job easier. Roofing blades have special hooks near the edge to help you control the cut when you’re working on thicker material, like shingles.
How do you stagger architectural shingles?
First, trim 5 inches off of the left side of the first shingle in the second course. Apply this piece directly over the shingle on the first layer, flat against the left edge with a 5-5/8-inch exposure. Continue on with installing full shingles across the rest of the roof to finish off the second course.
What is the lifespan of architectural shingles?
Lifespan. Because of their durability and high-quality composition, architectural shingles generally have a longer lifespan than the 3-tab variety. They stand up better to weather conditions such as heat, snow, ice, rain, and strong winds. Their average lifespan is about 18 to 20 years.
Are architectural shingles harder to install?
Since an architectural shingle roof is easier to install, is more durable and comes with a better warranty, its lifespan cost is, in many instances, actually less than that of a more basic 3-tab roof.
Can you roof over architectural shingles?
The quick answer is yes you can re-roof architectural shingles over existing architectural shingles (however you must check with the shingle manufacturer as well). Having said that it will be nearly impossible to get a good looking quality installation.
What length do you cut shingles?
Cut 12 inches (30.4 centimeters) off the length of the first shingle that you lay. Then lay down whole tiles to the end of the row, trimming the last shingle so that it fits correctly.
Should shingles overhang drip edge?
Asphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch. Check local building code for drip edge requirements prior to the start of your roofing project.
How do you start cutting shingles?
To begin installing the first shingles on your roof, cut off the three tabs on the shingle. Using a utility knife, cut them off at the bottom of the adhesive strip. This should leave you with about 1/2 of the shingle left.
What is the price difference between 3-tab shingles and architectural?
When it comes to cost, architectural shingles typically runs $35 to $45 per bundle. Three-tab shingles cost an average of $25 to $30 per bundle. On the surface, the architectural shingles are 40 to 50 percent more expensive.
How long do 30 year architectural shingles really last?
The expected service life of a 30-year product, if properly cared for, is approximately 25 years. If it’s not cared for properly, that 30 year shingle will only last 12 to 15 years.
Why are 3-tab shingles bad?
Three-tab shingles are weaker, less durable, and not as long-lasting. They can be subject to damage in areas or regions of the country that experience reoccurring bad weather.