Hot Cities and Cool Roofs

(Originally published in the September 2011 issues of Merchant Magazine and Building Products Digest.)

This summer’s heat waves have been horrendous.  Hot weather is known as a silent killer and is responsible for more weather related deaths than tornados, hurricanes and blizzards, combined.  Summer days are hotter than they used to be, setting all kinds of records, but even worse are the hot nights.  Overnight lows are also setting records for high heat, making it much more difficult for at-risk populations, such as the very young and very old, to recover. 

In cities, the problem is worsened again by something called the Urban Heat Island Effect.  Cities are paved with asphalt and built up with concrete and other materials that absorb solar radiation during the day and re-radiate it during the night.  Cities can be 15° F hotter in the daytime and 22° F warmer overnight than neighboring suburbs.  More city heat means more air conditioning and more electricity consumed, leading to blackouts and, of course, more carbon emitted into the atmosphere. 

The heat island effect has been understood for a long time – I first learned about it in high school.  But more recent scientific knowledge indicates that we should expect more extreme heat waves like those this summer.  I’ve argued in this column and elsewhere (see our in-depth report, The Future of Home Improvement, here: www.williamverde.com), that dealers and distributors have an obligation to learn to anticipate changing climate and weather patterns in order to serve their communities, as well as boost their revenue.  In fact, as purveyors of building supplies, we are in a prime position to take the lead on mitigating the effects of hot summer nights and urban heat islands.

There are a variety of ways we can make our cities cooler, simply and affordably.  Replacing high thermal mass materials with trees and green space is one effective strategy and where we need to go, long term.  Living roofs are being boosted in major cities for just this reason.  But there’s another strategy that can deliver results in the short term, is less expensive, and offers opportunities for most dealers and distributors right now. 

Increasing albedo, or the ability of surfaces to reflect solar radiation, using special paints and coatings, or reflective roofing materials can dramatically reduce heat gain and electricity demand.  A white roof, for example, can reflect almost 90% of the sun’s radiation, reducing interior heat and the need for air conditioning.  And the savings are not trivial.  The White Roof Project (www.whiteroofproject.com) reports that about 10% of electricity produced by cities is used to compensate for the urban heat island effect.  If enough roofs were painted white, the nation could be saving billions of dollars and hundreds of lives.  And dealers could be doing well, while doing good.

Two excellent resources to help you stock appropriate roof coatings for your community, or improve your existing product mix, are Energy Star (www.energystar.gov) and Cool Roof Rating Council (www.coolroofs.org).  Keep in mind, reflective shingles and roofing tiles offer effective solutions for residential applications, too.  But don’t stop there.  Develop a promotional strategy that combines in-store materials with larger-scale efforts in the community.  In-store signage should educate customers, highlight rebate opportunities, and promote city-wide campaigns.  Get involved and get your manufacturers involved.  New York area dealers might ally themselves with the White Roof Project, for example.  Dealers in other sizzling cities might think about creating their own “white roof projects” in conjunction with local city agencies or non-profit organizations.  Last but not least, teach your staff about the urban heat island effect and the importance of taking measures to reduce it.  It can literally save lives.

8 Great Projects for Greening Operations

(This article originally appeared in the March 2011 issues of Merchant Magazine and Building Products Digest.)

Want to be leader in the green building arena? There’s no better way than to demonstrate your commitment and know how by actually implementing projects on your own facility. Anyone can stock certified merchandise. And it’s easy to put out a few green hang tags on the shelf or signage proclaiming your eco virtues, too. But to really set yourself apart from the “me too” crowd, build valuable relationships with other leaders in the industry, and save money in the process, you’ve got to walk the walk. These days, it’s a little easier than it used to be. Depending on the type of project there may be government incentives available or a relatively motivated local bank ready to finance something with a solid green profile.

1. Energy retrofit – Make your facility energy efficient with better lighting, insulation, and mechanical systems. Then add renewable energy generation, too. Undertaking this kind project will pay dividends for decades to come. In the short run, build valuable relationships with those firms doing the work. In the longer term, as energy prices continue to rise, enjoy predictably lower costs.
   
   
2. Living roof and/or living wall – Installing a living roof delivers multiple benefits, including saving energy and giving your team experience in a young, fast growing market segment. Combine with water recycling systems for additional “wow” factor.
    
3. Cool roof – If you’re not ready for solar panels or a living roof, think about this: if the roof isn’t white, you’re might be paying too much for air conditioning. Paint it white, save energy – it’s that easy.
    
4. Water recycling – At first glance, conventional financial models may not make the quantitative case for water efficiency projects – water prices are kept artificially low. But if you’re operating in a region with stressed water resources, taking steps to reduce your demand can set a powerful example for your community. There may even be rebates available. Install HET toilets, rainwater harvesting and gray water recycling systems, and gain valuable experience you can use to promote these green practices to your customers, too.
    
5. Recycling for batteries, fluorescent lights, paint, electronics, etc. – This may prove to be more difficult than it sounds, especially if there’s no local, infrastructure, but will be well worth it in the end. These products contain toxic heavy metals and other components that pollute ground water. There are a variety of programs available benefiting a range of non-profit activities.
    
6. Zero waste – Reducing the waste generated at your facility will engage both staff and customers, and may reduce your waste haulage bills, too. Remember the Three Rs will help you get there – Reduce, Reuse, Recycle.
    
7. Replace portion of parking lot with community vegetable garden and bicycle racks – Don’t discount this project as being impractical or too costly. There will be plenty of people in the community willing to lend a hand. Encouraging bicycling reduces the carbon footprint associated with your facility. Planting instead of parking does the same and can provide fresh vegetables for employees, customers, or members of the community in need.
    
8. Shorten supply chain – Sourcing product and materials closer to home reduces transport costs. Depending on where manufactured, imports may already carry a high carbon footprint because of inefficient coal-fired electricity generation. On the other hand, local products can earn LEED credits for local building projects and, generally, will appeal to a growing number of customers preferring products and materials made in the USA.