In the past, most 3-tab shingles were “Imperial”-sized at 12 inches wide and 36 inches long with an exposure of 5 inches. Now, most 3-tab shingles, typically referred to as “metric” shingles, are larger. Metric shingle exposure is proportional to their larger size, commonly 5 5/8 inches.

What are the dimensions of a standard roof shingle?

Compare the sizes and advantages of every asphalt roofing shingle IKO produces. Once upon a time, traditional strip or 3-tab shingle dimensions, as well as asphalt shingle dimensions, measured 12 inches wide by 36 inches long. These are still considered standard asphalt shingle dimensions.

What is the spacing for shingles?

As a general rule for shingles equilibrated to ambient conditions (about 12% moisture content), shingles should be installed about 1/8 to 1/4 in. (3 to 6 mm) apart whereas shakes should be spaced about 3/8 in. (9.52 mm) apart and not more than 1/2 in. (13 mm) apart.

Are roof shingles the same size?

Every shingle is the same size, thickness, and shape, which gives the roof a uniform look.

How wide are shingle tabs?

Each tab is about 12″ X 5″. The tabs are an integral part of the shingle. One shingle with the tabs has 36-40 inches length and 12-13 1/4 inches width.

How many sq ft are in a bundle of shingles?

You usually purchase shingles by the bundle. Standard shingles are 12 by 36 inches and come 29 to a package. Most shingles come 3 bundles to a square — which is equal to 100 square feet. So, each bundle provides about 33 square feet of coverage.

What is shingle overlap?

There are two simple rules to follow: Each flashing should overlap the one below by at least 75 mm (3″), but not be visible below the shingle top lap. Imbed each step flashing in a 75 mm (3″) wide application of asphaltic plastic cement, and nail in place.

Why are they called 3-tab shingles?

They are called 3-tab due to each shingle being notched three times to give the appearance of being three shingles when installed. … 3-tab shingles are thinner than architectural shingles, being of a simpler composition and less types of materials. Installation is simple due to the cutout and uniform look.

What is the difference between 3-tab and architectural shingles?

3-tab shingles are flat, and they have a single tab shape and size. … Architectural shingles are also referred to as dimensional shingles. This is because they provide a more dimensional look to the roof. Each shingle appears more dimensional because it is; multiple layers of materials adhere to the base.

Why do you stagger roof shingles?

Stair-stepping shingles Known in the trade as “vertical racking” or “staggering,” this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak, without the wasted back-and-forth motion necessary to fill several rows of stair steps.

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How thick are asphalt shingles?

Asphalt shingles add very little thickness to the roof. A standard three-tab shingle is only about 3/16-inch thick. When installed, however, they overlap, doubling the thickness. Wood, cedar shake, and tile are thicker, depending upon the brand of shingles you select.

What are the measurements for starting shingles?

To lay out the design for the shingles, begin at the bottom of the roof and place a tape measure ½ inch from the edge of the roof to ensure the shingles overhang the drip edge. Mark 12 inches up on the roof for the first course of shingles, then mark every 5 inches all the way up the roof to set your reveal.

What underlayment to use for shingles?

What Is Roofing Underlayment? Roofing underlayment is what lies between the shingles and the roof sheathing, or roof deck, which is typically either plywood or OSB. It’s installed directly on the roof deck and provides a secondary layer of protection from the elements, including rain, snow, and wind.

How many bundles of shingles do I need for a 10x10 shed?

Three bundles but probably four because that would fit it perfectly and even on a tiny little shed 5–10% needs to be calculated in for waste and mishaps.

What does a bundle of shingles cost?

TypePer Square*Per Bundle**Asphalt/Composition$100 – $150$30 – $50Metal$300 – $1,800$100 – $6003D/Dimensional$480$160Cedar/Wood$480$160

How many bundles of shingles do I need for a one car garage?

Three bundles are equal to one square. Each square equates to 100 square feet. In the previous example, three squares, or 300 square feet, of shingles will be needed to cover the garage roof. After calculating the square footage needed, always add in an extra 10 percent to the total for shingle breakage.

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.

How much more expensive are architectural shingles?

In general, architectural shingles may cost about 25% more than 3-tab shingles, but they are considered the standard for higher-end homes. Due to their quality, look and desirability, architectural shingles may the best type of shingle to use if you want to increase the resale value of your home.

Should old shingles be removed?

While a repair job can often be more convenient and somewhat more cost-efficient, placing new shingles over old ones is never a good idea. Whether repairing one section of roof, or a replacing a whole one, it’s always best to pull up the old shingles before putting down the new ones.

Can you recover dimensional 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.

Are dimensional shingles better than 3-tab shingles?

Dimensional shingles are about 15% more than 3-tab shingles, but give you more life and better warranty options. Luxury shingles are the most expensive option of the 3 types. They’re going to be almost double the cost of dimensional shingles, but they’re one of the most aesthetically pleasing roofs you’ll see.

What is the difference between 20 year and 30 year shingles?

20-year shingles are lighter than 30-year shingles, which are 50% heavier. 3-tab shingles are made using much less material than architectural shingles and are more susceptible to come off and get damaged under high wind conditions.

Is it better to hand nail shingles?

Hand nailing a roof isn’t better than using a nail gun and takes much longer for the roofer to do. That’s why most roofers use nail guns to achieve quality, long-lasting results. Talk with a roofing contractor near you about essential roofing materials and what process they use for a new roof or repair project.

What are starter strip shingles?

Starter strip shingles are long, narrow shingles typically made of asphaltic material. Roofers install them along the edges of the roof after installing the underlayment and before installing the regular shingles. … The purpose of the adhesive is to bond with the shingles installed above it and seal them down.

How wide is a 3 tab shingle?

In the past, most 3-tab shingles were “Imperial”-sized at 12 inches wide and 36 inches long with an exposure of 5 inches. Now, most 3-tab shingles, typically referred to as “metric” shingles, are larger. Metric shingle exposure is proportional to their larger size, commonly 5 5/8 inches.

How do you keep shingles straight?

Keeping the Roofing Line Straight e shingles aligned vertically and horizontally. A chalk line can keep your line straight over long distances and large areas. A chalk line can help eliminate short exposures, waviness and additional antithetical issues.

Which is better asphalt or fiberglass roof shingles?

Better Durability: Because organic asphalt shingles contain more asphalt than fiberglass shingles, they are more durable, and as a result, they last longer than fiberglass. Their added durability also means that they are more likely to last through severe storms without getting blown away or damaged.

How thick should roof rafters be?

Most Common Thickness For rafters spaced 20 or more inches apart, 1/2- or 5/8-inch plywood is recommended. The most common rafter spacing is 24 inches, and 5/8-inch plywood is recommended for that. It will support roof loads for most situations and is the standard for most roof applications.

How thick should roofing be?

Sheathing Thickness The typical thickness of roof sheathing is about 7/16-inch, which is just under 1/2-inch.