How to install shingles from start to finish?
- Drip edge at the eves. ...
- Using your cap nails, secure the deck protection to the roof. ...
- Then, install new flashing (metal flashing is often called "drip edge" along the bottom of the roof near your gutters) and starter shingles at the edges.
- Nail the drip edge in place using your hammer and roofing nails. ...
What temperature is too cold to install shingles?
What temperature is too cold to install shingles? The best temperatures for roof installation is between 70 and 80 degrees Fahrenheit. It becomes too cold to roof your home when the temperature drops below 40° F. Roof installation and replacement require adhesive products that need the sun’s heat for activation.
How do I calculate how many shingles I Need?
- Determine your roof pitch by using a pitch gauge (available at most home improvement stores) or a smartphone app (available free through any app store).
- Measure the length of the roof surface, including overhangs.
- Measure the span of the roof, including overhangs.
- Multiply the length x the span. ...
What is the cheapest roof to install?
Which Are The Cheapest Roofing Materials In The Market
- Asphalt. Asphalt is one of the most affordable materials for shed roofing in the market. ...
- Clay. Some roofing systems are made from clay which makes them cheap and captivating. ...
- Metal. Metal is a versatile roofing material that comes in varying colors and which is easy to install. ...
Is it OK to overlay shingles?
A: In general, it is not good practice to overlay a traditional asphalt shingle roof versus a complete tear off and replacement for the very reason you stated: you can't examine the decking to determine if there is any damage that needs repaired.
Can you put one layer of shingles over another?
If you know it's time for a new shingle roof or even a tile roof on your home, you may have heard that you can just put a new layer of shingles over the existing one. But is this true? In short, the answer is yes, but doing so may not always be a good idea.
How many times can you overlay shingles?
Two layers is the maximum in most areas, but some building codes allow only one. For example, towns in climates with heavy hailstorm activity or significant ice dam problems may not allow multiple roofing layers.
Do you overlap shingles side to side?
When you reach a peak or hip, shingle all the way up the first side (until the reveal portion of the shingles is within 4 inches of the peak) and cut the 3-tab shingles just below the ridge. Shingle the other side and allow these pieces to overlap the ridge by no more than 4 inches.
Is re roofing a good idea?
If you are a homeowner with minor issues or leaks, which typically occur as the roof reaches the end of its lifespan, but the roof is in overall good shape, re-roofing may be for you. If you only have one layer of asphalt shingles on your roof, you may also be a good candidate for re-roofing.
How many layers of asphalt shingles are allowed?
At maximum, you can safely layer up to two layers of organic or fiberglass asphalt shingles for roofs with up to an 18.5-degree pitch. Any more than two layers adds too much weight to your roof. Some local building codes don't allow overlaying at all; in those municipalities, you can only have one layer of shingles.
How long will an overlay roof last?
sixteen yearsAn overlay is a viable option if the existing roofing materials have not already been overlaid. Home Reference.net notes that on average you can expect the overlay to last for fifteen or sixteen years.
Is it cheaper to roof over existing shingles?
Although it sounds like a good idea, we can assure you the cons heavily outweigh the pros. In fact, the ONLY pro to a shingle over is it's cheaper and cleaner.
How do you stagger shingles?
0:295:55How To Properly Start Shingle Courses On A Roof - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd that's your code here in Ontario we have a high wind zone. Code. So we'd have to put six nails.MoreAnd that's your code here in Ontario we have a high wind zone. Code. So we'd have to put six nails. So how you nail that is you go one at the end for evenly spaced in the center.
How far should shingles overhang drip edge?
¼ to ¾-inchAsphalt 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 much should first row of shingles overhang?
Whether installed at the eave or the rake, the starter shingles should overhang the edge of the roof by ¼ inch to ¾ inch.
How do you add a second layer of asphalt shingles?
0:004:42PROPER WAY to install A SECOND LAYER OF ROOF OVER EXISTING ...YouTubeStart of suggested clipEnd of suggested clipMake sure you remove the pipes flashings. And then put new felt on and make sure you clean the roof.MoreMake sure you remove the pipes flashings. And then put new felt on and make sure you clean the roof.
How many layers of roofing is OK?
House roofs should never exceed three layers of shingles. Adding additional layers without excavation can save homeowners up to $1,000 in labor. Therefore, layering has advantages. Building and city codes require roofers to limit shingle layers to two.
Can you put a third layer of shingles on a roof?
No, you can't put three layers of asphalt shingles on a roof. In most states, you're only allowed to have two layers of asphalt shingles on a roof for fire safety reasons.
How much does it cost to add a layer of shingles?
They generally range between $55 on the low end and $600 on the high end, with an average of $100 to $250 per square of architectural shingles. The roofing labor cost per square is $100 to $250.
Do I need to underlay before installing shingles?
Underlayments help prevent leaks from getting through to the wood underneath, so you should install it just in case.
What is the lowest air temperature for roof shingles?
You want to wait till temperatures are averaging 55 degrees before installing shingles. The shingles are suitable for cold and warm climates.
Does my first row of starter shingles extend over the edge to cover the drip edge?
This starter strip should line up with your drip edge. The drip edge is installed to create a straight roof line.
What can limit the type of shingles you can use?
The pitch of your roof can limit the types of shingles you use.
What does it mean when a roof has an overhang?
Getting your overhang installed correctly is essential, but what does that mean? The overhang of roof shingles is the amount of the shingle that extends past the lower edge of the roof, creating a lip. Having overhang prevents the water from making contact with the structural areas of the roof.
How much does it cost to repair a roof?
The average roof repair cost in the United States is over $7,500. This does not include replacing insulation, drywall, or electrical issues cause when a roof leaks water into a home.
What happens if you have warped roof boards?
Heavily warped boards will cause dips or rises and also hurt the overall appearance of the roof. 4.
Can you use a nail gun on a ladder?
This job can be done with a hammer and nails, but it will take significantly longer. A nail gun, especially one that runs off of an air compressor, will save you lots of time and trips up and down the ladder.
Do you have to tell your roofer before you put a new roof on?
No matter what type of roof you choose, make sure you tell your roofer to fix any underlying problems you have before installing any new roof. The bottom line is your roof is arguably the most important component of your home. After all, it protects everything under it, so it's not an area where you want to cut corners.
Can you flash around a roof?
Flashing around roof penetrations and sidewalls can be compromised. Plus, depending upon the size of your roof, you've added multiple tons of weight, which could pose a big problem if there is significant snow accumulation. If there are any pros to overlaying a roof, it's saving a little bit of money. But because of the amount of prep work involved ...
Is it worth overlaying a roof?
But because of the amount of prep work involved in overlaying a roof properly, any savings are usually modest maybe 25 percent compared to a new roof. The shingles likely won't last as long, so the job could actually end up costing you more in the long run. The savings simply don't warrant the compromise of quality and potential risks.
Is it a good idea to overlay shingles on a roof?
After all, it protects everything under it, so it's not an area where you want to cut corners. When weighing the modest savings against the possible uneven appearance, reduced life expectancy, and risk of future leaks, I would advise against an overlay with new shingles. Find a quality roofing contractor who can assess your roof's condition and do the job correctly.
Can you use metal roof over asphalt shingles?
That said, overlaying asphalt shingles with a metal roof could be an option, provided there is no underlying damage. Metal roofs offer energy savings but do cost more upfront than traditional asphalt shingles. They also last longer and stand up to foul weather better than shingles.
Can you overlay a shingle roof?
A: In general, it is not good practice to overlay a traditional asphalt shingle roof versus a complete tear off and replacement for the very reason you stated: you can't examine the decking to determine if there is any damage that needs repaired.
Can you overlay a roof?
The best-case scenario for an overlay is sound decking; no previous or existing leaks; and a roof with no sidewalls where flashing is needed to tie in the roofing material to the exterior walls of the home. But if you overlay, you cannot install an ice and water-leak barrier, as it has to adhere directly to the wood decking. So, if you have an ice dam in the wintertime, it could easily travel under the overlay and leak under the old roof.
Roofing Safety
Safety is a special concern when working on a roof. Follow all applicable safety requirements for your area. Here are some safety tips to remember.
Estimating How Many Shingles You Need
Determine the total square footage of the roof by measuring the length and width of each roof area. Multiply the length by the width for each area and add the total areas together. Calculate the number of areas of 100 feet — known as squares — by dividing the total area by 100. The result will indicate how many squares of shingles you need.
Installing Roof Shingles
General steps for installing shingles on a roof are listed below, but procedures can vary by roofing product manufacturer, building codes, and factors such as your climate or the slope of the roof. Always follow the procedures specific to your area and those of the roofing product manufacturer. As you’re installing, work across and up the roof.
What happens if you overhang a starter shingle?
If the starter shingle overhangs the eave too much, a gust of strong wind may lift the shingles and cause a blow-off. Improper Nailing.
How do shingles protect the roof?
Moisture can then come into direct contact with the roof deck. Shingles farther up the roof are protected by the courses beneath them, which catch and divert any water that happens to drip between the edges. The first course of shingles needs the same defense from the elements.
What is the purpose of starter shingles?
Proper alignment is crucial when installing the starter shingles. Photos: Atlas Roofing. The starter shingle’s two purposes are water protection and wind protection at the eave and rake . A starter shingle is used to seal with the field shingle at the first course along the eave and rake.
Why do you nail shingles?
The obvious purpose of proper nailing is to ensure that shingles stay in place and don’t cause leaks. Local building
What is the common bond area of a shingle?
In laminate shingles, the nailing zone is referred to as the “common bond” area of the shingle. The “common bond” area includes the double-layer portion of the shingle down to the exposure and constitutes the proper nailing area as identified in laminate shingle installation instructions. The “common bond” nailing area must be targeted correctly in order to obtain the proper wind performance as advertised by the shingle manufacturer. Properly
How do nails work on a roof?
placed nails go through two layers of shingles – penetrating through the previous shingle course underneath – attaching them securely to the roof deck . Nails placed outside the common bond area can void the roof’s warranty and prevent asphalt shingles from performing as intended during extreme weather.
Where are the instructions for proper shingle alignment printed?
Tip: Manufacturer’s instructions for proper shingle alignment are printed on the shingle wrapper.
Where does flashing go on a roof?
And you run the flashing up under the roof shingles and you make sure it extends past the roof shingles and lays into the top of the gutters. So, essentially what you’re doing is creating a bridge to make up the distance between where the shingle ended and where it really should have ended, which is at the edge of the gutter. And this way, when the water comes down the roof, it will drop from the shingle to the flashing to the gutter. Does that make sense?
Can you extend roof shingles into gutters?
JOE: Yes. TOM: Regardless, the solution here is the same. What you need to do is to extend those roof shingles into the gutter. So, because there’s not a magic potion that will do that, the way to fix this is to get a flat bar – and that’s a very thin pry bar. And you’re lifting up the edges of those shingles at the bottom of the roof edge.
How to keep shingles from sliding off?
If the roof is steep enough that you could slide off, install roof jacks and planks to keep you stable and safe. A scrap of roofing laid upside down beneath the heel of the jack will keep it from denting the shingles.
How to avoid narrow tabs on shingles?
To avoid ending up with a narrow strip of tab along one of the rakes, lay out a full course of shingles and adjust their position as needed.
How to cover hips at ridge?
Just be sure that water will not seep in between shingles as it runs downward. Where two hips meet a ridge, cut a triangular piece to cover the joint. Cover any exposed nailheads with dabs of roofing cement. Then apply ridgecaps.
What are shingles used for?
Shingles often have small cuts on the top and sides that can be used as guides for horizontal and vertical alignment. Use these whenever there is no layout line. Also, roofing hatchets and some roofing nailers have adjustable guides.
How to make a mid roof pyramid?
For a racking or midroof pyramid layout method, snap two vertical lines (called bond lines) near the center of the roof, the appropriate distance apart. Check them with a framing square or measure so the lines are parallel with the rake ends. It's better to use the factory edges of a half-sheet of plywood as a guide.
What is the most common type of asphalt shingle?
Learn the techniques and workflow for laying the most common type of shingle, the 3-tab asphalt shingle.
Is the starter shingle upside down?
The starter shingle was upside down in the picture. The black "tar" should be facing up. Thanks for the article.