Eco-friendly Roofing Options

Enlarge Image Image Gallery When choosing roofing, consider its recycled content, how long it will last and whether it can be recycled. ILLUSTRATION: KEITH WARD

Most homeowners have to replace their roof shingles at some point. Exposed to sunlight, heat, cold, rain, wind, and sometimes snow, sleet and hail, conventional asphalt shingle roofs last 20 years, if you’re lucky.

If you’d like a roof that will outlast a conventional asphalt shingle roof and is made from environmentally friendly roofing materials, consider the products outlined here. Many of them are virtually immune to hail. Green roofing products are many and varied, ranging from recycled-plastic shingles to recycled-metal roofs to sustainably harvested or reclaimed wood roofs. The best option for your home depends on the design of your home, local building codes and price considerations.

Recycled Shingles

Among the most popular — and perhaps the “greenest” — of all roofing products are shingles made from recycled waste materials, such as plastic, rubber or wood fiber. Some products are made from clean post-consumer waste (waste from homes), others from post-industrial waste (factory waste). Recycled-content shingles are amazingly durable, and they look nice, too. You’d never know they were made from “waste” materials!

Recycled-content roof shingles help divert waste from landfills and reduce our need to extract and process raw materials, which lowers energy consumption and reduces pollution. Some of these products are recyclable, too, and many come with amazing 50-year warranties. A few even carry fire ratings that could lower your insurance rates.

Wood Shingles and Shakes

In many parts of the country, wood shingles and shakes have long been a popular choice among builders and homeowners. Unfortunately, conventional wood shingles are made from old-growth western cedar. Although the amount of energy it takes to produce this product is relatively low, the harvest of old-growth trees is not sustainable in the long run. These shingles are also quite combustible and can no longer be used in areas where there is a risk of brush and forest fires.

If you would like to install wood roof shingles and local building codes permit them, consider a product made from reclaimed lumber. The Armster Reclaimed Lumber Co. in Connecticut, for example, makes roof shingles using wood reclaimed from mills, bridges, old water and wine tanks, and a number of other sources. This company acquires old wood throughout the country and makes an effort to process it locally — close to where you purchase the product — to reduce costs and transportation energy.