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We are your C&D materials collection solution engineers.

The range of materials in the construction and demolition (C&D) stream is broad and it makes up a large percentage of what is going into Colorado landfills. In some counties more than 60% of what goes into the landfill is C&D material. The two biggest challenges in recycling these materials is collection and having viable solutions for turning the materials into new products. 5280 Recycling Solutions is addressing both of these problems. Some of the most common C&D materials are concrete, asphalt, wood, drywall, metal, asphalt shingles, plastics and cardboard. In the sections below you will find an overview of materials that currently have market solutions in Colorado and materials that 5280 Recycling Solutions is working on solutions for:

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Concrete

There are numerous companies in Colorado that accept concrete for recycling. Recycled concrete can be used as a source of aggregate in the production of new concrete. Most facilities do not charge a fee for accepting clean loads of concrete.

Asphalt

Asphalt can be recycled and used in the production of new asphalt. Asphalt can be recycled over and over again without losing value. Most facilities do not charge a fee to accept clean loads of asphalt.

Metal

Metal is identified as ferrous and non-ferrous. Ferrous metals contain iron and non-ferrous metals do not. Metal scrap value changes with market demand but it is normally a higher value material than most others in the C&D stream. There are a large number of metal recyclers in Colorado that will take both ferrous and non-ferrous metal.

Clean dimensional lumber

Clean dimensional lumber consists of wood used in construction that we typically refer to as 2×4’s. This is wood that is milled but not manufactured. Most of this wood is chipped and used in mulch and compost products.

Cardboard

Clean dimensional lumber consists of wood used in construction that we typically refer to as 2×4’s. This is wood that is milled but not manufactured. Most of this wood is chipped and used in mulch and compost products.

Materials that do not currently have market value in Colorado that 5280 Recycling Solutions is working to develop market solutions for:

Painted and treated lumber

Painted, stained and treated dimensional lumber has very few options for recycling because of the paint and chemicals applied to the wood. Much of this stream is suitable to be used in the making of new wood products as long as the paint or chemicals can be removed.

Plywood and manufactured wood

These types of manufactured wood are difficult to recycle because of the multiple layers of wood and the adhesives and bonding agents used in the manufacturing process. These manufactured products can be processed and used in the making of new engineered products but it is not being done on a large scale. In many instances outside of Colorado these products are used as fuel in waste to energy processes.

Wood Pallets

There are two kinds of wood pallets, hardwood and softwood or one-way pallets. Hardwood pallets have a higher value and are easier to recycle either into new pallets or other wood products. Soft wood pallets are most often chipped and used for mulch as long as they are not chemically treated. The challenge with both types of pallets are the labor involved in dismantling the pallet and removing the nails.

Drywall

Drywall waste comes from two sources, new construction and demolition. New construction drywall is typically considered clean scrap while drywall from demolition is considered contaminated with things such as paint, coatings, nails and adhesives. Clean scrap can be used as a bulking agent for compost and in some cases a soil amendment. To be used in the production of new drywall and other products that use gypsum as an ingredient the paper must be separated from the gypsum. The separation and transportation of the material is costly. The majority of drywall waste in C&D comes from demolition and there is currently no suitable use for demolition drywall waste.

Carpet

In the C&D stream we see commercial and residential broadloom carpet and commercial modular tiles. There is a collection infrastructure for modular tiles on a per site basis through Interface Inc., a global flooring company. Broadloom carpet does not currently have many options for recycling. Carpet is made from multiple components of complex fibers that are difficult to separate. However carpet is recyclable if the recycling infrastructure is in place. We do not currently have that infrastructure in Colorado.

Asphalt Shingles

Asphalt shingles are a big challenge in Colorado especially due to the amount of hail storms we have that cause roof damage and require premature replacement. The Colorado Department of Public Health and Environment removed asphalt shingles from the list of recyclable materials because of the dangers associated with stockpiling this material for recycling. Asphalt shingles are made of materials such as fiberglass, limestone, asphalt and granules. All of these materials are recyclable but the challenge is in separating the materials to be used again in manufacturing. Most recycled shingles are used to make asphalt pavement but they usually only make up about 5% of that pavement mix. Until there is an innovative solution that can accommodate a large amount of shingles, they will not be recyclable in Colorado.

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