what is a starter course in roofing

The starter course serves to fill the gaps in the first exposed course of shingles. The starter course should overhang the bottom of the wall or the facer of a roof by a minimum of 3/4" inch. The first exposed course of shingles should be flush with or, slightly over hanging, the starter course . · The starter course is the bottom row you install.

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How to Shingle a roof?

Jul 08, 2010 · These shingles are instrumental in making sure the asphalt shingles are correctly laid out on your roof. If these first shingles are not installed correctly, there will be problems with the entire set of shingles. In addition, this starter course protects the roof by filling in any gaps.

How to install starter strip roofing shingles?

Owens Corning® Starter Strip Shingle helps save time by eliminating the need to cut shingles to create a starter row. It is packaged two pieces per shingle, 16 shingles per bundle. The continuous sealant ensures an effective seal between the starter and the first course of shingles. Perforated down the center for easy separation

What is the best type of shingles?

Starter Strip, Starter Strip Plus, Woodstart Starter Shingle, and Tri-Built Starter Strip are prefabricated starter course shingles with factory applied sealant. Starter Strip and Tri-Built Starter Strip are 6-5/8” x 39-3/8”. Starter Strip Plus and Tri-Built Starter Strip are 7-3/4” x 13-3/8”. Woodstart Starter Shingles are 13-3/8” x 40”. 6. INSTALLATION

How do you install asphalt roofing?

What is a starter course?

The starter course protects your roof by filling in the spaces under the edges of the first row of exposed shingles. In other words, the starter course is a backing for the first visible row of shingles.

Do you need a starter course with architectural shingles?

1:402:34ESSENTIALS OF THE STARTER SHINGLE - YouTubeYouTubeStart of suggested clipEnd of suggested clipThat's what we're doing. The starter shingle is not optional. Especially on the eaves. But also onMoreThat's what we're doing. The starter shingle is not optional. Especially on the eaves. But also on the gable ends on the right the starter shingle is necessary for complete roof install. We've seen

Why is a starter course used when installing shingles?

The starter strip is crucial because it adheres to the shingles on the edges of your roof and protects them from the elements. Without starter strip shingles, a gust of wind would have no trouble sneaking under the shingles on the edges of your roof and blowing them up, and perhaps even off, your roof.Sep 1, 2017

What is the starter row of shingles?

0:346:00How to Install Starter Shingles - YouTubeYouTubeStart of suggested clipEnd of suggested clipSome contractors will opt out of using actual starter shingles and they will use a three top shingleMoreSome contractors will opt out of using actual starter shingles and they will use a three top shingle or even their architectural shingles that they're installing on your roof.

Do you run starter shingles on the rake?

A starter shingle is used to seal with the field shingle at the first course along the eave and rake. This helps prevent wind and water from getting beneath the shingle in this critical location. The underlayment is a secondary water barrier if any moisture gets beneath the shingles.Sep 28, 2018

Do starter shingles go up the rake?

2:463:53How to Install Starter Strip Roofing Shingles | Mastering the Roof by GAFYouTubeStart of suggested clipEnd of suggested clipPosition the starter strip. So that it overlaps the eave starter strip by at least three inches asMorePosition the starter strip. So that it overlaps the eave starter strip by at least three inches as with the eave edges. The starter strip must overhang the rake edge 1/4 to 3/4 of an inch. Begin the

Where do you put the starter on a shingle roof?

Starter shingle should be installed around ALL edges of your roof. To meet code, technically it only needs to be installed on the bottom eaves, but there are some big benefits to installing it up the rake edges as well (also known as gable edges).Apr 14, 2015

How many bundles of starter shingles do I need?

Three bundles to a square is most common, which applies to most three-tab strip shingles and some lightweight laminated shingles. Heavier three-tabbed shingles and laminated shingles require four, or sometimes five, bundles to cover a square.

How far should shingles overhang the rake?

The edge of the shingles should hang over a roof between an inch and an inch and a half — or between a half inch and three-quarters of an inch if drip edge flashing is installed. Too much overhang and the shingles could blow off in high winds; too little can allow water to seep into rake or fascia boards.

Does starter strip overhang drip edge?

Once that's done, you're ready to install the first course of shingles. After installing drip-edge along the eaves, double the first course of shingles or, as shown, install a starter strip. The lower edge of the starter strip overhangs the drip-edge by 1⁄4 in. to 3⁄4 in.

What does the 7 in line mean on shingles?

The 7-in. line indicates the top of the starter course ; the 12-in. line indicates the top of the first course of shingles . Starter courses can be three-tab shingles with the bottom 5 in. cut off or a starter strip that comes on rolls in various widths.

Do you cover starter course with shingles?

You’ll cover the starter course with the first course of shingles. Running starter courses along the rakes isn’t imperative, but it’s smart because starters stiffen the overhanging shingle edges and create a cleaner sightline from below.

Is it cheaper to trim shingles with starter strips?

Still, trimming three-tab shingles is cheaper, so here’s a quick look at that method.

What is starter shingle?

Starter shingles (also known as starter strips) are a key component to your new roofing system. A starter strip is an asphalt based shingle utilized to waterproof the eave and rake edges of your home during a re-roof. Take a look at your roof and you’ll see how the field roofing shingles are overlapped to create seamless flow ...

What is a factory starter?

Factory starter is also a part of the GAF complete roofing system and required to qualify the roof for an upgraded warranty. Here are a few technical points for Pro-Start starter strips (from GAF website):

What is the purpose of tar strips on a roof?

Adhesive tar strips help prevent shingle blow-off from harsh winds (along eaves as well). A straight line to properly orient each new row of shingles. Thicken the shingle layers sticking over the rake edge to help prevent drooping. Without starter strips or starter shingles, water will likely penetrate your roof edge.

Can you put underlayment on a roof without starter strips?

Without starter strips or starter shingles, water will likely penetrate your roof edge. A good underlayment, like GAF Tiger Paw synthetic hybrid underlayment goes a long way to reducing damage. But it is only a secondary layer of protection that functions robustly when the water that reaches it is a low enough quantity.

Do you need to include shingles in a new roof?

When having a new roof installed on your home you will need to verify that your roofing contractor has included all of the critical components, other than shingles, of the roofing system in your contract price. Some contractors will offer you a very appealing price but in the end they have removed some of the most critical components ...

Can shingles overlap?

But along the eave line, roofing shingles come to an edge and can’t be overlapped. To prevent water penetration, we install starter shingles or starter strips. Where the shingles on the eaves butt up against each other, these starter strips provide the overlap function.

What is starter shingles?

Starter shingles act as a barrier for your roof to protect your eaves and rake edges from water leaks. Mainly, starter strips provide the overlap function so that water can flow seamlessly on your roof without penetrating into your home.

How many lineal feet are in a starter shingle?

Depending on the manufacturer, this is around 33.33 lineal feet.

How many feet of shingles is a bundle of 10?

For example, if a bundle of 10 shingles is equivalent to 60 meters/linear feet of coverage, you can use the total length of your eaves and rake edge to see how much you’ll need for the installation. Finally, make sure that the joints of your starter shingle are not coincidental with the joints of your finished shingle.

What is starter strip?

Installing a starter strip on your roof edges (over underlayment and/or ice and water shield) will also have a tar adhesive strip to prevent your shingles from blowing off in harsh weather conditions.

What happens if you don't have starter strips on your roof?

Without this starter course of shingles, your roof will lack the foundation needed to prevent water leaks and uplifts from strong winds. The most vulnerable parts of your roof that lack starter strips would be your eaves and rake edges.

Why are starter strips called starter strips?

Some manufacturers refer to starter shingles as starter strips because this also avoids confusion between a starter shingle and roof shingle. Starter strips also don’t have a specific color system, unlike roof shingles. Since your starter strip will be placed below your roof shingles, aesthetics don’t matter as much.

How much does it cost to replace a starter shingle?

A starter shingle is normally a necessary component for all roofing warranties. Expenses like these can easily cost you $300 to $500 for a single replacement.

What is a pre cut eave strip?

Pre-cut eave/rake starter strips are one of the most overlooked parts of a roofing system! That’s because some roofing contractors try to use a cut-up 3-tab strip shingle as the “starter” course on your roof. Unfortunately, these cut-up shingles may not have properly positioned adhesive to help reduce the risk of shingle blow-off.

Do cut up shingles have adhesive?

Unfortunately, these cut-up shingles may not have properly positioned adhesive to help reduce the risk of shingle blow-off. Pro-Start ® Eave/Rake Starter Strips are made with a high-quality, properly positioned adhesive applied at the factory to help prevent shingle blow-off.

Does GAF have a warranty?

Excellent Warranties: GAF offers increased wind coverage on many GAF Shingles when you use GAF starter strips with factory-applied sealant and follow special installation requirements. 1. Convenient: At least 50% more coverage per bundle (versus typical 3-tab shingles) means less to carry and handle on the roof.

Does GAF cover lifetime shingles?

For other owners/structures, Lifetime coverage is not applicable. Lifetime coverage on shingles requires the use of GAF Lifetime Shingles only. Lifetime coverage on shingles and accessories requires the use of any GAF Lifetime Shingle and any 3 qualifying GAF Accessories.

What do you need to do before you can put asphalt shingles on your roof?

Utility knife. Before you can begin setting asphalt shingles on your roof, you must install a row of starter shingles. These shingles are instrumental in making sure the asphalt shingles are correctly laid out on your roof. If these first shingles are not installed correctly, there will be problems with the entire set of shingles.

Can you put a second course on top of a starter course?

Because this is the starter course, the second course will be placed directly on top of it. If there is any overlap, the second course will not seal correctly to the adhesive strip. Use the same number of roofing nails on each successive shingle until you finish the first row.

How many fasteners do I need for a roof deck?

For roof slopes of 2:12 up to 21:12 (16.67% or 9º up to 175% or 60º), each shingle must be fastened to the roof deck using a minimum of five fasteners, spaced as shown in Tables 11 and 12 .

What is Owens Corning roofing?

OWENS CORNING asphalt shingles are roof covering materials complying with the following properties when installed as described in this report. The products are three-tab shingles, laminated shingles and hip & ridge shingles. The products are available in standard and metric sizes.