What are recycled asphalt shingles used for?
Recycled shingles are most often used for paving projects, including public roads, driveways and parking lots. According to the National Asphalt Pavement Association (NAPA), 1.96 million tons of reclaimed asphalt shingles (RAS) were used in new asphalt pavement mixes in the U.S. in 2014.
Can you use recycled asphalt as a base?
Reclaimed asphalt pavement (RAP) can be used as granular base or subbase material in virtually all pavement types, including paved and unpaved roadways, parking areas, bicycle paths, gravel road rehabilitation, shoulders, residential driveways, trench backfill, engineered fill, pipe bedding, and culvert backfill.
Do old shingles get recycled?
Shingle recycling is economically viable, convenient where available, and saves valuable resources from being sent to a landfill. Recycled asphalt shingles are most commonly used in pavement, which offsets the need for new asphalt and aggregate, and additional uses are being explored.
Do roofing shingles get recycled?
Did you know you can recycle shingles? Asphalt shingles are a common roofing material and can be recycled thanks to their asphalt content. Shingles can be diverted from the waste stream and transformed into asphalt pavement for our streets and highways.
Is recycled asphalt stronger?
The quality of asphalt pavement is improved when recycled pavement is used. There is a stronger cracking resistance because of the added mineral fillers and organic fibers used in the recycled materials. Other benefits include: Reduced demand for new asphalt pavement.
How do you seal recycled asphalt?
Using a vibrating plate or hand tamper, cover the entire surface to create a compacted, even top. Let the asphalt dry in place for about a day, and then apply commercial-grade asphalt seal coat to the top to preserve your work.
Do asphalt shingles decompose?
Every year, the United States averages 11 million tons in shingle waste, with around 8.8 million tons coming from the country’s most popular residential roofing material: asphalt shingles. It can take up to 300 years for asphalt shingles to completely decompose, so recycling is a great way to reduce waste.
What are recycled asphalt shingles?
Recycled asphalt shingles are typically reused as a component in hot mix asphalt to create pavement for roadways. The shingles from one average-sized home can pave about 200 feet of a two-lane highway.
What is clean post-consumer recycled asphalt shingles (Pras)?
Since 2011, North Carolina paving companies have been able to use clean post-consumer recycled asphalt shingles (PRAS) as feedstock material in hot mix asphalt on North Carolina Department of Transportation (DOT) road projects. Asphalt shingles are considered clean if metal, wood, insulation, flashing and other trash are removed.
How are shingles prepared for use in asphalt pavements?
Several methods exist for preparing discarded shingles for use in asphalt pavements. Various types of crushers, rotary shredders, and hammer mills are used to process the shingles.
What percentage of GAF shingles are recycled?
GAF plans to use about 90% of the shingle waste that it collects to manufacture new shingles. Timberline HDZ ® RoofCycle ™ Series Shingles 1 contain about 7% recycled content and will provide the same quality and performance you expect from a GAF roof.