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Title
Zero Waste Roofing
Zero Waste Roofing
Date
9/2011
9/2011
Author(s)
Michael Fenner; Stanley Graveline
Michael Fenner; Stanley Graveline
Page(s)
Keyword(s)
sustainability; sustainable design; zero waste; recycling; PVC roof system
sustainability; sustainable design; zero waste; recycling; PVC roof system
Abstract
Target Corp., Minneapolis, a leading retailer, pursues a comprehensive sustainability strategy in the construction and operation of all its facilities. Material management is a critical element of this strategy. One of Target’s most ambitious goals is to achieve “zero waste” on all its roofing projects—new construction and reroofing. The genesis of this plan is a proactive approach to roof asset management that mandates roof membrane replacement in advance of roof system failure, which allows for reusing insulation and cover boards. Since 2007, working with Sika Sarnafil, Canton, Mass., a manufacturer of thermoplastic PVC roof membranes, Target has been able to have its thermoplastic PVC membranes recycled into new material at the end of their service lives. The approach has diverted an estimated 28,000 cubic meters (1 million cubic feet) of insulation and cover board, as well as more than 450,000 kilograms (kg.) (1 million pounds) of roof membranes from landfills. More recent initiatives have focused on recycling scrap materials, packaging and other debris generated during the installation process in new construction and reroofing. Experience gained through more than 30 projects totaling about 372,000 square meters (4 million square feet) will be shared. Technical and logistical obstacles and how they were overcome, as well as ongoing challenges, will be highlighted. The economic effects and overall benefits achieved also will be presented.
Target Corp., Minneapolis, a leading retailer, pursues a comprehensive sustainability strategy in the construction and operation of all its facilities. Material management is a critical element of this strategy. One of Target’s most ambitious goals is to achieve “zero waste” on all its roofing projects—new construction and reroofing. The genesis of this plan is a proactive approach to roof asset management that mandates roof membrane replacement in advance of roof system failure, which allows for reusing insulation and cover boards. Since 2007, working with Sika Sarnafil, Canton, Mass., a manufacturer of thermoplastic PVC roof membranes, Target has been able to have its thermoplastic PVC membranes recycled into new material at the end of their service lives. The approach has diverted an estimated 28,000 cubic meters (1 million cubic feet) of insulation and cover board, as well as more than 450,000 kilograms (kg.) (1 million pounds) of roof membranes from landfills. More recent initiatives have focused on recycling scrap materials, packaging and other debris generated during the installation process in new construction and reroofing. Experience gained through more than 30 projects totaling about 372,000 square meters (4 million square feet) will be shared. Technical and logistical obstacles and how they were overcome, as well as ongoing challenges, will be highlighted. The economic effects and overall benefits achieved also will be presented.