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Recycled asphalt shingles (RAS) often containing more than 20 percent asphalt binder has become another black gold in the asphalt industry. There are two basic types of RAS scraps in the market: tear-off asphalt shingles (TOAS) and manufacture waste asphalt shingles (MWAS). Both TOAS and MWAS have been used in hot-mix asphalt (HMA) paving in Texas.
🕑 Reading time: 1 minuteThe manufacture of asphalt roofing materials has been undergone from the 1890s. Today asphalt shingles cover 70 to 80 percent of the roofs in united states. It has now spread to different part of the world. The asphalt roof shingles are very attractive, versatile and provide high fire and wind resistance. […]
The solar shingles integrate into a concrete, slate roof or shake roof surface. These look similar to an asphalt shingle roof but also have an additional feature of converting the solar energy into electrical energy for the utilities. Also Read: Asphalt Shingles – Types and Features
The recycled asphalt shingles cold patch was determined to be 6% liquid binder, 14% ground asphalt and 80% aggregate. Some found the material to work very well and have long stick power and easy to use. Others found it too stiff to work with and low quality and therefore discontinued use of the product.
Asphalt Concrete Aggregate and Asphalt Cement Supplement. ... The compacted unit weight of RAP will decrease with increasing unit weight, with maximum dry density values reported to range from 1600 kg/m 3 (100 lb/ft 3) to 2000 kg/m 3 (125 lb/ft 3).
Fasteners for asphalt shingles shall be galvanized, stainless steel, aluminum or copper roofing nails, minimum 12-gage [0.105 inch (2.67 mm)] shank with a minimum 3 / 8-inch-diameter (9.5 mm) head, of a length to penetrate through the roofing materials and a minimum of 3 / …
*Add $0.80-$1.35/sq.ft. to remove and dispose of old asphalt shingles * Add $1.00-$2.00/sq.ft. to remove and dispose of concrete, clay, or slate tiles. Total Project Cost Examples. A typical house is about 2,000 square feet with a 6/12 pitched roof and an attached garage.
Asphalt Roof Shingles . Brown. Class A. Roofing Product Type: 3-Tab Shingle. Hip and Ridge Shingle. Lifetime Limited Warranty. 31 Results Material: Asphalt. Sort by: Top Sellers. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. Get It Fast. In Stock at Store Today.
History. Asphalt shingles are an American invention by Henry Reynolds of Grand Rapids, Michigan. They were first used in 1903, in general use in parts of America by 1911 and by 1939 11 million squares of shingles were being produced. A U.S. National Board of Fire Underwriters campaign to eliminate the use of wood shingles on roofs was a contributing factor in the growth in popularity of ...
diminishes, which causes the asphalt pavement to be stiffer and brittle (cited in Bennert, Ericson, & Pezeshki, 2015). In recent years, the asphalt industry has seen an increase in the use of reclaimed asphalt pavements (RAP) and recycled asphalt shingles (RAS) in new asphalt concrete pavements. This raises concern as
Asphalt Mixtures Calculator. Enter the width, length and thickness, then hit the "Calculate" button to calculate your estimate. You may also revise the default density value of 145 lbs/cubic ft. Actual densities may vary depending on the components of the mix.
roofing asphalt fumes are a potential occupational carcinogen. Occupational exposure to respirable crystalline silica is classified as a known carcinogen in humans. IARC has determined that respirable crystalline silica is carcinogenic to humans (Group 1), based on findings of sufficient evidence of carcinogenicity in both
Owens Corning Roofing and Asphalt; GAF: Built-up Roof Membrane 4-Ply, Gravel-Surfaced: 6.3 lbs: 630 lbs: 30.76 kg: Owens Corning Roofing and Asphalt; GAF: Built-up Roof Membrane 4-Ply, Smooth-Surfaced: 2.58 lbs: 258 lbs: 12.60 kg: Owens Corning Roofing and Asphalt; GAF: Clay Tile Roofing…
Quality Assurance Nuclear Density Report BMPR MI303N; Reclaimed Asphalt Shingles (RAS) Source Certification Form BMPR RASCRT Supplier Certification Form for Manufacturer's Salvaged and Post-Consumer (Tear-Off) Asphalt Shingles BMPR RASSPL
Asphalt shingles are easy to install, last anywhere from 10 to 50 years depending on the type, and are less expensive than other roofing materials, such …
AASHTO T-308 Determining the Asphalt Content of Hot Mix Asphalt (HMA) by Ignition Method AASHTO T-209 Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures AASHTO T-166 Bulk Specific Gravity of Compacted Bituminous …
Mastering Roof Inspections: Asphalt Composition Shingles, Part 46. by Kenton Shepard and Nick Gromicko, CMI®. The purpose of the series "Mastering Roof Inspections" is to teach home inspectors, as well as insurance and roofing professionals, how to recognize proper and improper conditions while inspecting steep-slope, residential roofs.
Asphalt shingles, available in a wide range of colors and styles, are suitable for use on roofs with pitches from 2:12 to 21:12. 1,2. Asphalt shingles are commonly made from fiberglass mats impregnated and coated with a mixture of asphalt and mineral filler for both a decorative finish and a wearing layer. The shingles are nailed
Activities of the Materials and Tests Unit include providing appropriate state and national materials specifications and standards, managing QC/QA programs, providing testing serv
Asphalt shingles remain a popular roofing material as they are cost-effective while still offering premium protection from weather conditions, such as wind, hail, and snow. Asphalt shingles …
Photograph 2 (above right): Rafter Cavity Insulation – high-density spray polyurethane fills rafter cavity (2 lb/ft 3 density). Photograph 3: Finished Roof Back Then – Looked pretty good seventeen years ago. New shingles were installed over a fully adhered membrane applied directly to the original roof decking.
asphalt and its emissions is probably carcinogenic to humans (Group 2A). IARC concluded that available data from cancer studies in humans points to an association between exposures to oxidized asphalts during roofing and lung cancer and tumors in the upper aero-digestive tract. In …
Roofing Asphalt, standard saturant weighs 1.01373 gram per cubic centimeter or 1 013.73 kilogram per cubic meter, i.e. density of roofing Asphalt, standard saturant is equal to 1 013.73 kg/m³; at 15.56°C (60.008°F or 288.71K) at standard atmospheric pressure.In Imperial or US customary measurement system, the density is equal to 63.285096 pound per cubic foot [lb/ft³], or 0.5859731 ounce ...
Asphalt, also known as bitumen (UK: / ˈ b ɪ tj ʊ m ɪ n /, US: / b ɪ ˈ tj uː m ə n, b aɪ-/), is a sticky, black, highly viscous liquid or semi-solid form of petroleum.It may be found in natural deposits or may be a refined product, and is classed as a pitch.Before the 20th century, the term asphaltum was also used. The word is derived from the Ancient Greek ἄσφαλτος ásphaltos.
include the stone size, shape, hardness or density, free-fall velocity, and angle of impact. Roof material variations include product type, age, support condition, impact location, and temperature (Fig. 1). Figure 1. Hail damaged asphalt shingle roof from the Fort Worth, Texas hailstorm on May 5, 1995. Large hailstones are shown in the inset ...
Also known as 3-tab shingles (due to the cut of the shingle) or simply strips, strip shingles are the original and most basic asphalt shingles. They are made from a single layer of asphalt and have a very flat appearance that typically offers a slate look.
Recycled Asphalt Shingles Recycled Asphalt Shingles (RAS) are an environmentally friendly alternative to using asphalt binder. Asphalt binder is an expensive and limited resource whereas asphalt shingles typically end up in a landfill. While many states have adopted using RAS waste from the shingle production process,
Page:1/11 SafetyDataSheet Acc.toOSHAHCS(29CFR1910.1200) date:February27,2018 Revision:February27,2018 46.0.4 1Identification ·Productidentifier ·Tradename ...