Below-Grade Blindside Waterproofing Membrane Systems: A State-of-the-Art Report May 15, 2011 Blindside waterproofing is a system in which the belowgrade waterproofing membrane is temporarily at – tached to the soil-retention system facing the excavation, prior to casting the concrete foundation against it. It is required where the exterior faces of foundation walls will be inaccessible. A common situation dictating blindside waterproofing is the proximity of adjacent […] Read More
Snow Retention Design in Action May 15, 2011 A private school in a picturesque New England town is the setting for our first case study in snow retention. This significant building (Figure 1), on the campus of a prestigious private school, houses the offices of the president, as well as the admissions office, where all campus tours for prospective students start and end. […] Read More
The Use of ccSPF in High-Performance Wall Assemblies May 15, 2011 INTRODUCTION How a wall is constructed can greatly diminish or enhance a building’s ability to be labeled “high performance.” This article will highlight the use of closed-cell spray polyurethane foam (ccSPF) utilizing HFC 245fa blowing agent packages in commercial wall assemblies, taking into consideration how the use of ccSPF accomplishes key high-performance building goals. High-Performance […] Read More
Designing a Snow Retention System May 15, 2011 For as long as man has been designing sloped roofs in re – gions with snow and ice, there has been a need for a system or mechanism to manage the sudden sliding or dumping of an accumulated snow mass. When snow falls on a cold roof surface, it begins to accumulate. As heat–either from […] Read More
iPads, Elite Tablets, Toughbooks and Cloud Technology on the Job May 15, 2011 Remember back in the ’80s, when computer-aided design and drafting (CADD) allowed designers and consultants to cover their drafting boards and stop lugging around all those huge, individual drawings? Sud denly, detailing a chimney flashing meant searching a virtual filing cabinet on a desktop computer, clicking and dragging just the right flashing detail from a […] Read More
Field Investigation Of Aggregate Blow-off Of Spray Polyurethane Foam Roofs May 15, 2011 ABSTRACT The 2006 International Building Code disallows the use of loose-laid aggregate on roofs in hurricane-prone regions for fear of damage caused by blow-off. This restriction has had a significant impact on the roofing industry, as loose-laid aggregate has historically been used as an economical material to increase ultraviolet, fire, hail, and traffic resistance to […] Read More
Growing Your Green Roof Sales: Understanding Owner Motivations May 15, 2011 ABSTRACT This paper will provide an important understanding of an owner’s perspective in the decision-making process on implementing roofing services and systems, including green roofs and environmentally sustainable roofing systems. While the environmental benefits of a green roof receive much of the media attention, owners often base decisions on other criteria. If the goal is […] Read More
