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How Does Asphalt Roofing Metrical Cost Affect the Cost of Shingles?

Aug 6

How does the Asphalt Roofing Metrical Cost Affect the price of Shingles?

There are numerous aspects to asphalt roofing. We'll discuss some of the aspects that affect how well a roofing shingle will stick to a roof. We'll also look at some of the key terms you need to be familiar with, including melting viscosity, penetrating value, and weight. You can also learn how these metrics affect the cost of shingles.

Penetration values

The values for penetration indicate the asphalt roofing's durability. These numbers show the resistance of asphalt to scratching, as well as other forces. Generally, these values are based on the toughness of asphalt, which ranges between 40 and 80 percent. A higher degree of hardness will increase the penetration value however, reducing it will decrease the softening point. To determine the penetration value, you should take a look at the point of softening and the penetration ratio of each type of asphalt.

Two methods are used to determine asphalt's penetration rates. The first method uses an aluminum cup that is filled with asphalt and is heated at a constant rate. The second method uses a tiny flame to flash the sample. The flash point is the temperature at which instantaneous flash takes place. This method can be utilized to calculate the maximum penetration of an asphalt roofing. This method is popular among engineers and architects as it lets them decide the best material for their particular project.


When choosing an asphalt shingle it's important to know the variety of melting viscosities that are available. The term "melt-viscosity" refers to the extent to which the material will stretch or harden. The acceptable range is 130 to 420 cps @ 400 deg F/204 deg C. But the melt viscosity that is the first may be any range from 425 to 500cps @ 400deg F.

The NIST (National Institute of Standards and Technology) has conducted studies on asphalt viscosity, which governs how well it flows and bonds to reinforcing felts. According to NIST, roofers should use between 1 and 2 kg of asphalt per square meter. Proper application techniques will ensure that the recommended interply asphalt is applied to the roofing substrate. For roofing, the ideal asphalt viscosity is 0.125 Pa.s. A 75cP (0.75 P.s.) is ideal for spreading with a mechanical spreader.

Rheology is a method to create an even more precise specification for asphalt material. ASTM D36, D5 and D5 can be utilized to assess the properties of asphalt. The viscometers measure the melting viscosity at asphalt materials at 25°C and 400°F. To make the right choice in grade, it's essential to comprehend the entire flow curve. Rheological data can be used to define the processing requirements.

Weighing of Granules

Asphalt shingles are made mainly of asphalt, and are complemented by granules to shield against UV Rays. The granules used are made of natural stone. They're later crushed and screened to achieve different gradations. They are included in particular proportions in the blend mix in the process of manufacturing. The size and quantity of the granules determines how asphalt shingles are classified.

The thickness of the roofing will increase because asphalt roofing granules are heavier. Roof materials that overlap will have a greater weight per square foot. Granules can weigh between 30-40 percent less than a shingle that is brand new. However, a shingle that has an older age weighs only half that of a brand new one.

Cost of shingles

You may be interested in the price of asphalt shingles that can be used to replace your roof. The answer is contingent on the location of your home as well as the difficulty of the project and whether you'll require assistance from a professional. Asphalt roofing is the most affordable kind of shingles and they also come in the lowest cost per square feet. Check out the prices of different kinds of asphalt shingles and find out the approximate cost.

Asphalt shingles are measured in kilograms. A kilogram weighs about one pounds. They are offered in multiples of ten kilograms. Additionally, there are many colors of asphalt shingle. They are a great option for shipping internationally since there is very little distinction between imperial and metric units. If you plan to deliver these units to Europe in metric units but take note that these units might not be available in all nations.


The cost of asphalt roofing in metric seems reasonableand makes them ideal for international shipping. But, you should be aware that not all countries utilize the metric system. Therefore, you may need to convert the costs when you shop in Europe. Thank you for reading! We hope this article was helpful.

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