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Concrete mixes containing blast slag as an SCM often have a higher albedo than straight cement mixes, while "white" portland cement has a higher albedo yet (although its price would stand in the way of paving large areas).

The green contractor
Marketing your company and products as environmentally friendly can benefit your business by setting it apart from the competition. It can also make you a desirable choice for clients looking to sustainable construction.

Taking steps to green your business doesn't necessarily mean spending more money, but it takes planning. At the office you can do simple things such as buy recycled office paper, encourage employees to drink out of reusable coffee cups instead of paper or Styrofoam, and implement energy-saving initiatives to cut fuel, heating and electrical use.

On the job, talk to your clients about the steps they want to take toward sustainable projects. Let them know the experience you have in working with SCM mixes, concrete recycling or pervious concrete. Ask your ready mix suppliers about the sustainability steps they're taking at their plants and choose suppliers who have taken green steps.

Whatever your company is doing to work green, communicating these steps to customers can establish you as a "green" contractor. Even when you can't make direct decisions on a green project, being informed about what's new in the industry and how to implement them on the job is a valuable asset to your company.