What is the wind rating on 3 tab shingles?
The wind rating on 3-tab shingles is 60 mph when the shingles have the proper 4 nail per shingle pattern. Architectural shingles, on the other hand, have a rating of 130 mph on them.
How much wind can a shingle roof withstand?
Don’t Just Trust What You Read On A Shingle Package Or Brochure At a glance, all shingles appear very close in wind ratings, ranging from 110 to 135 MPH. What often gets overlooked is what is required to get these ratings. There is one manufacturer who boasts having the highest wind rating at 135 MPH.
What is the wind rating for a Class A roof?
This type of roofing material is classified based on wind speed resistance and with wind ratings categorized as follows: Class A (for winds up to 60 mph) Class D (90 mph) Class F (110 mph) Class G (120 mph) and Class H (150 mph)
How can I increase the wind rating of my shingles?
Pro Tip: You can increase your shingle's wind rating by using additional fasteners. While most manufacturers require a minimum of four fasteners, increasing the number to six can give you a higher wind rating of 130 mph for architectural shingles or 90 mph for some 3-tab options.
What is the highest wind rating for shingles?
This standard assigns a classification to individual shingle products based on their resistance to uplift forces when tested at specific wind speeds:Class D resist uplift at wind speeds up to 90 mph.Class G resist uplift at wind speeds up to 120 mph.Class H resist uplift at wind speeds up to 150 mph.
What is the wind rating for 30 year shingles?
The 30-year shingles are wind-rated up to 60 mph.
Do shingles have a wind rating?
Don't Just Trust What You Read On A Shingle Package Or Brochure At a glance, all shingles appear very close in wind ratings, ranging from 110 to 135 MPH. What often gets overlooked is what is required to get these ratings. There is one manufacturer who boasts having the highest wind rating at 135 MPH.
What is considered wind damage to shingles?
Shingles are considered wind-damaged when they are torn, creased, or detached from the roof. Most commonly, wind damage occurs when three-tab shingles are creased by repeated lifting or flapping. Unsealed shingles without physical mat damage are not considered wind damaged.
What is the wind rating for Owens Corning Duration shingles?
130-MPH*The industry's first asphalt roofing shingle engineered to deliver 130-MPH* wind warranty performance with only 4 nails.
What's the best roof for hurricanes?
Metal roofingMetal roofing A metal roof can weather hurricane-force winds up to 160 mph, making it the most wind-resistant solution. Metal roofing systems are pricier than cheap shingles, but they last longer and are more durable than any other types of roofing.
What is a Class 4 roof shingle?
To receive a Class 4 rating, a roofing shingle must withstand having a 2-inch steel ball dropped multiple times from a height of 20 feet. For more perspective, if this same test is repeated on a 4-inch concrete paver, the force of the steel ball would crack the paver in half.
What wind speed will damage a roof?
70-90 mphWhat Wind Speed Causes Damages to My Roof? Typically, winds as fast as 70-90 mph (miles per hour) are the starting point for wind that can cause roof damages. However, sometimes a gust at 50 mph can give your roof a beating.
What damage can 60 mph winds?
- at 47 to 54 mph, there will be light structural damage. - at 55 to 63 mph, entire trees can be uprooted and considerable structural damage can occur. - above 64 mph, expect widespread structural damage.
What damage can 75 mph winds?
Winds that are 75 to 89 MPH are the beginning of the hurricane-force winds. Trees may be uprooted or broken. Weak or open structures will sustain severe damage. Good roofs will lose shingles, and weaker roofs will begin to peel off.
What is the wind rating on 3 tab shingles?
The wind rating on 3-tab shingles is 60 mph when the shingles have the proper 4 nail per shingle pattern.
How long do 3 tab shingles last?
You can expect 3-tab shingles to last anywhere from 20-30 years, barring any huge storms and major damage. That makes them even more affordable since they last such a long time. If you need an economical answer to roof replacement, 3-tab shingles offer you longevity, attractiveness, and safety for your home.
Why is a 60 mph rating?
The 60 mph rating is due to the fact that the exposed portion of the shingle is split into 3 individual tabs, making it more susceptible to being lifted when the wind blows at high speeds.
What are the concerns of replacing a roof?
Homeowners contemplating the installation of a replacement roof may be concerned about the wind resistance of construction materials used on their homes -- especially in areas with a high concentration of tornadoes or hurricanes.
What is a professional roofing contractor?
A professional roofing contractor or architect can advise consumers on the best choice of roofing material for specific situations. International building and safety codes provide specific installation requirements for wind and uplift resistance to help ensure standards are adhered to and to minimize damage to homes from high winds, ...
Does wind velocity affect roof?
Homeowners should be aware that wind velocity varies across a roof and causes different uplift pressures depending on wind gusts, the landscape surrounding the home, the shape of the roof, and the design of the roof edge.
What is wind rating on roofing?
All roofing manufacturers label their products with a wind classification, identifying the maximum wind speed the material can handle without damage. These ratings come from standards set by independent organizations, which outsource testing to reliable third-party companies.
Which type of asphalt shingles have the lowest wind rating?
However, 3-tab asphalt shingles have the lowest wind rating of Class A or Class D. A more wind resistant type of asphalt shingle is an architectural style, which is heavier and thicker than 3-tab. Architectural shingles can have a Class F wind rating.
What is the ASTM D3161 rating?
ASTM D3161 rating is the Standard Test Method for Wind Resistance of Steep Slope Roofing and measures a roofing material's ability to withstand wind speeds, simulated using an industrial fan. A product can receive one of three classifications:
What is the second standard for asphalt shingles?
The second standard - D7158 - is the Standard Test Method for Wind Resistance of Sealed Asphalt Shingles - uplift resistance/uplift force. Individual products get a classification based on how well they resist uplift forces at specific wind speeds. The five classifications are:
How fast does wind uplift occur?
150 mph. Wind uplift occurs when there's a higher air pressure under the roof than above it. When the wind blows over a roof, it causes the air to decrease - negative pressure. However, it also causes air to infiltrate under the roof through cracks and openings - positive pressure.
How to increase wind speed on shingles?
Pro Tip: You can increase your shingle's wind rating by using additional fasteners. While most manufacturers require a minimum of four fasteners, increasing the number to six can give you a higher wind rating of 130 mph for architectural shingles or 90 mph for some 3-tab options.
When will the wind stop blowing off shingles in 2021?
June 16, 2021. June 15, 2021. One of the most common issues a roof experiences after a storm is shingles that get blown off. While no roofing material is guaranteed to withstand the brunt of Mother Nature, picking materials with the proper wind rating will reduce the likelihood of roof damage due to high winds.
How to check for wind damage in attic?
Indoor Evidence of Roof Damage. You can check for potential signs of wind damage inside your home by inspecting your attic and finished living areas. As always, keep safety in mind with anything you do. When going up into your attic be sure to have a sturdy walking path and wear appropriate protective gear.
What are the factors that affect the ability of a roof to resist wind?
The nailing method used to install the shingles, the quality and strength of the fasteners, and the installation temperature can also play a role in the roof’s ability to resist wind. Installation flaws. Misaligned shingles, incorrect nail placement, poorly sealed flashing or the lack of starter strip shingles can all cause increased susceptibility ...
How to tell if shingles are blown off?
Signs of Wind Damage on Asphalt Shingle Roofs. Some signs of roof wind damage are more obvious than others. After a severe weather event, significant wind damage to a roof may be highly visible, such as: A puncture from a fallen tree limb. Large swatches of exposed underlayment where shingles have been blown off.
What happens when wind hits a house?
When wind encounters a structure such as your home, it acts in some fairly predictable ways: Wind hitting the side of the home travels up and over the roof with varying degrees of uplift pressure.
What does it mean when shingle edges look raised?
Areas where shingle edges look slightly raised, which tells you the seals may have been broken. Narrow lines near the shingle edges which can indicate they may have been flipped up and creased. Scratch marks across the roof field where wind-borne debris has raked across the roof. Damaged ridge or soffit vents.
How to check for roof damage?
How to check your attic for signs of roof damage: Go up to the attic while it’s still light outdoors. Use a flashlight to check for water leaks and stains on the underside of the roof or signs of water damage on the floor.
Why does wind move in circular patterns?
Wind doesn’t always move in a steady, smooth stream — it swirls up, down, sideways and in circular patterns at various speeds in reaction to temperature and pressure differences in the Earth’s atmosphere, and variations in the land’s topography and terrain.
What are architectural shingles?
Architectural shingles, also known as dimensional shingles or laminated shingles, feature a fiberglass mat, ceramic-coated granules, and a textured design to give them the appearance of more expensive materials such as cedar shake and tile.
Top architectural shingle brands
CertainTeed is one of the most trusted names in asphalt roofing shingles. Last year, CertainTeed’s Landmark dimensional shingles were named the best available by Consumer Reports. While CertainTeed shingles typically cost a bit more than others, they tend to be more durable and one of the most popular brands.
Architectural shingles vs. 3-tab shingles
Architectural shingles vs. 3-tab shingles. Image source: Home Depot & Menards
Pros and cons of architectural shingles
Durable - Architectural shingles are heavier than other types of shingles. They feature two laminated strips, forming a thicker, more durable texture. Architectural shingles are typically able to withstand winds up to 100 MPH or more.
Why buy architectural shingles?
Architectural shingles are a solid choice for your home if you want a sophisticated design for your roof at a fraction of what more expensive materials would cost for high-end homes. 3-tab shingles are the cheaper option, they don’t last as long or offer the same type of appearance.
What is laminated shingle?
The term “laminated” means that the shingle’s construction consists of two or more basic shingles laminated or bonded together. Both laminated shingles and traditional 3-tab shingles provide effective protection against wind uplift and blow-off.
Why are laminated shingles used in homes?
Because designer architectural laminated shingles are engineered to create the in-demand, high-end look of genuine wood shakes or natural slate tiles, they are an excellent choice for estate homes or other properties of distinction.
What is the function of a roof?
The primary function of any roof is to protect your family, your home and its valuable contents against inclement weather. When choosing the right residential roofing products, you need to consider the climate you live in, the architectural design of your house, how long you plan to live in your home, what the neighboring houses look like and, ...
Do shingles help your home?
If you’re planning to stay in your home for many years to come, these shingles will provide superior weather resistance and a solid long-term value for the cost.
High Wind Nailing Pattern for 3-Tab Shingles
So what does this high wind nailing pattern look like? On traditional 3-tab shingles it would look like this:
High Wind Nailing Pattern for Architectural Shingles
For architectural or dimensional shingles, the nailing pattern would look something like this:
Additional Tips for the Work
Some roofing coil nailers have an adjustable shingle guide. This lets you automatically set the position of the nail with respect to the bottom of the shingle. This is extremely handy, though after a while you will likely find yourself, guide-free, nailing away quickly and accurately once you’ve done a couple of rows.
How CR Tests Roofing Shingles
Our roofing tests focus on a shingle’s strength and how well it maintains its appearance over time. We apply force to the shingles by using a calibrated machine, called an Instron, that applies force, replicating everything from ferocious winds to fallen tree limbs.
Roofing 101
Neglecting your roof can be a costly mistake. On the " Consumer 101 " TV show, Consumer Reports expert Misha Kollontai explains to host Jack Rico how CR tests roofing and what to look for when replacing shingles.
A Brief History of Shingles Over The Last 35 Years
Shingle Selection
- Selecting a quality shingle is likely the most important aspect of a quality, wind resistant assembly. Most brands have comparable wind ratings written on packaging or in their promotional literature. However, our experience has been that a couple of brands seem to outperform the others. We believe this is due to two main attributes: 1. Nail Pull R...
Professional Installation
- In auto racing, having the fastest car does not ensure you will win the race. Having a highly skilled driver is also necessary. Similarly, having a high quality shingle is only part of the equation. You also need to choose an experienced installer, preferably one who is manufacturer certified. “High Nailing” or placing fasteners outside of the manufacturer’s nail area is one of the most common …
Additional Advice For Homeowners
- Now that we’ve covered the two most critical aspects of achieving a high wind resistant roof system, I’d like to list a few other important factors: 1. Avoid Winter Installations Installing roofs in cold weather can delay the activation of sealant strips, as they typically need around 5-10 Degrees Celsius to adhere properly. If your roof is installed during a consistently cold time of the year, yo…