Install Deck Protection & Starter Shingles Start by laying roof deck protection, or shingle underlayment, over the decking (plywood/OSB). Use chalk lines to determine where you’ll lay them. Using your cap nails, secure the deck protection to the roof.
What is installed before the first course of asphalt shingles?
Install Deck Protection & Starter Shingles Start by laying roof deck protection, or shingle underlayment, over the decking (plywood/OSB). Use chalk lines to determine where you’ll lay them. Using your cap nails, secure the deck protection to the roof.
Do you need a starter strip for 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.
How do you shingle a roof step by step?
- Roll out the self-stick underlayment. Stick on the underlayment. …
- Cover the roof with felt paper. Roll on the felt paper. …
- Overlap the ridge. …
- Waterproof your valleys. …
- Fold flashing over the peak. …
- Install the shingles. …
- Working around vents and stacks. …
- Shingle over the vent flashing.
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 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.
How far should shingles hang over drip edge?
Shingles should not extend more than 3/4” (19 mm) past the drip edge. If shingles overhang the edge of the roof by more than 3/4” (19 mm), then they are not supported and may crack and break off.
How many nails should be used per shingle?
General Guidelines for Nailing Shingles Install the recommended number of nails per shingle. For Duration® Series shingles, Owens Corning recommends using either a 4- or 6-nail fastening pattern depending on the roof’s slope and building code requirements. In most cases, 4 nails are adequate.When roofing Do you start at top or bottom?
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.
Do you install starter shingles on the rake?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).
Article first time published onHow do you roll with starter shingles?
Simply apply a single course of Starter Shingle Roll along a clean, dry and smooth eave line, after removing the release sheet. Apply the Starter Shingle Roll directly onto the WeatherLock® underlayment or a layer of felt. Once it is pressed into place, you’re ready to begin shingling.
Do you use starter shingles on the rake?
Where do they go? Historically, starter strip shingles have been used not only at the lower eave edge of the roof, but experienced professionals also use them at the gable, or rake edges of roofs.
Does a roof need a drip edge?
Without a drip edge, water may end up beneath the shingles and may cause damage to various parts of the home. Though your home may not have originally had a drip edge installed, drip edges are now required by most building codes across North America to protect homes from damage.
Why do you need felt under shingles?
Roofing felt or felt paper, also called underlayment or roofing tar paper, goes between the roof deck and the shingles, which adds another layer of protection to your roof. … It serves as a water repellent when heavy rain and storms can cause moisture to get trapped between the shingle and wood of your roof decking.
Should shingles overhang gutters?
Most shingle manufacturers recommend a 1/4 to 3/8 inch overhang over your eave, which is where your roof ends by your gutter. In many cases, and particularly as home ages and settles, the roof edge at the eave edge can wave in and out by more than this amount.
Does drip edge go under or on top of tar paper?
The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge.
Do you need to remove the plastic strip on shingles?
The GAF shingle application instructions for our entire product line specifically state that that film does not need to be removed. Note: The film strips on the back of each shingle are to prevent sticking together of the shingles while in the bundle. Their removal is NOT required during application.
Do you install drip edge before fascia?
The correct placement of a roof drip edge is on top of the roof’s exterior cover directly between the sheathing and the fascia board, which forms a drainage gap between the drip edge and the fascia board. As a result, the drainage improves water flow and protects the roof from potential water damage.
Can drip edge be installed after shingles?
Can Drip Edge Be Installed After Shingles? The most popular time to install a drip edge is when new shingles are installed. However, the drip edge can be installed at any time. The materials involved include: a ladder, a flat pry bar, a hammer, tin snips, eave stripping, and galvanized roofing nails.
Is drip edge required on rakes?
A drip edge should be installed on the eaves and rakes of the roof, flush with the decking and fascia. On eaves, the drip edge is installed directly to the deck with underlayment installed over it for proper water shedding. On rakes, the underlayment is installed over the drip edge.
Which is better open valley or closed Valley?
closed valley roofs, IKO’s roofing experts believe that open metal valleys are the better performer. This roof upgrade to an open metal valley gives your roof better resistance to water penetration. Plus, open metal valleys shed debris, snow and ice faster than any roof valley type that uses shingles in the valley.
How wide should valley flashing be?
If not metal, the material must still be corrosion-resistant and non-staining. Also, at a minimum, valley flashing must be 24 inches (610 mm) wide.
Do you have to use roofing nails for shingles?
If you’re using typical architectural shingles and 3/8-inch-thick sheathing, you’ll need 1‐inch nails. If your building codes require thicker sheathing, you’ll need 1 ¼-inch nails. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully.
How long roofing nails should I use?
Roofing nails should be 1-1/4 to 2 inches long to ensure that it sufficiently penetrates and embeds in the roof sheathing. To calculate the appropriate roofing nail length, add the thickness of the shingles and underlayment to the thickness of the sheathing. Nail shank diameter should be at least 11-12 gauge for roofs.
What is high nailing of a shingle?
A high nail is a nail installed above the nail line on the shingle. High nails cannot be seen as they are covered by the next course of shingles but they can cause big problems. When the shingle is nailed too high the nail does not penetrate the shingle below it.
How much should roofing felt overlap?
Always ensure there is at least 5cm of overlap between each sheet, and nail down the felt from the centre outwards as before.
How do you install a starter roll?
Simply apply a single course of Starter Shingle Roll along a clean, dry and smooth eave line or rake edge, after removing the release sheet. Apply the Starter Shingle Roll directly onto the WeatherLock™ underlayment or a layer of felt. Once it is pressed into place, you’re ready to begin shingle installation.
