Green Landscaping Questions

What type of waterproofing system is used under these green roofs, and what is the expected lifespan of the actual roofing material?

— Fred Oompalumpa Saint Peters, MO

Polly Osborne, AIA, LEED AP

Answered by Polly Osborne, AIA, LEED AP

Los Angeles, CA

Polly Osborne Architects

August 26, 2010

What is the most energy efficient type of pool cleaner for swimming pools?

— Joel West Milford, NJ

Answered by Lee Hall on August 30, 2010

What type of waterproofing system is used under these green roofs, and what is the expected lifespan of the actual roofing material?

— Fred Oompalumpa Saint Peters, MO

Answered by Polly Osborne, AIA, LEED AP on August 26, 2010

We are building a raised garden bed and need to use wire netting on the bottom to keep gophers out. Can you recommend wood and wire?

— Kathy V Thousand Oaks, CA

Answered by Lee Hall on August 21, 2010

Is anything effective on dollar weed?

— wendy allen Fairhope, AL

Answered by Richard Heller on August 19, 2010

Does anyone know the best way to manage a pool ecologically?

— sarah james Atherton, CA

Answered by Lee Hall on August 13, 2010

What type of indigenous plant or tree can I use to create a sound barrier?

— Tim Douglas San Diego, CA

Answered by Richard Heller on August 3, 2010

Is it feasible to reuse greywater as irrigation water?

— Lisa Larson Palm Desert, CA

Answered by Randy Potter on July 8, 2010

We have a silver maple tree that was planted over 10 years ago. It does not seem to be growing. Why?

— darlene Gaylord, MI

Answered by Erik Henry on July 8, 2010

What is the "rule" for irrigating a green roof garden?

— baruch weiss Farmersville, OH

Answered by Richard Heller on July 5, 2010

Are there general size guidelines for choosing trees for green roofs? What is the minimum area needed per tree?

— Brad New York, NY

Answered by Richard Heller on July 5, 2010

I need to pave my driveway -- what material would you suggest?

— gina burk Akron, OH

Answered by Randy Potter on July 1, 2010

When building a grape arbor are there any types of pressure-treated wood that are considered safe near the roots of the plant?

— Dan Sherborn, MA

Answered by Bonnie Pickartz on May 20, 2010

What is my greenest choice for a patio or deck material?

— jane stevens Alexandria, VA

Answered by Danny Kelly on May 19, 2010

I am looking for alternatives to weed killer (for dandelions, etc.) that don't contain herbicides. Any suggestions?

— Ellen McCOy Rochester, NY

Answered by Tammy Schwolsky, LEED AP, GPR, HPwES on May 13, 2010

My parents want to add a bit of lawn to their yard for a bocce ball area. Is synthetic lawn a good idea?

— Sydnor Elkins Chapel Hill, NC

Answered by Richard Heller on April 18, 2010

 

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