Roof Design by Weighted Evaluation May 15, 2003 6 • Interface November 2003 Introduction In day-to-day life, we make many easy and difficult decisions. As roofing consultants, contractors, or manufacturers, many decisions are easy, while others require delving deep into our pool of knowledge on the subject matter and our life experiences. Data are either objective or subjective. That is, our decisions are […] Read More
Design Issues for Thin-Stone Cladding Systems May 15, 2003 March 2003 Interface • 23 This article was originally presented at the RCI Symposium of Building Envelope Technology in Coral Springs, Florida on Nov. 14-15, 2002. INTRODUCTION Stone has been used as a building material for thousands of years. Its aesthetics and sense of permanence have made it a popular material, especially among builders and […] Read More
The Politics of Roof Cut Tests May 15, 2003 July 2003 Interface • 35 Introduction Over the last few decades, the diversity of views has grown on whether or not roof test cuts are beneficial. On one side are roofing contractors and their national and regional associations; on the other side are consultants, building owners, and specification writers. The purpose of this paper is […] Read More
The Problem is Not EIFS It’s the Details May 15, 2003 March 2003 Interface • 29 The controversy over Exterior Insulation and Finish System (EIFS) cladding is nothing new. Over the past several years, the construction industry (as well as attorneys, homeowners, architects, engineers, and anyone else who has been paying any attention) has recognized the importance of waterproofing details. In particular, it has clearly been […] Read More
Spontaneous Combustion of Roofers Mops: A Review May 15, 2003 August 2003 Interface • 9 Conventional built-up roof (BUR) assemblies have lost market share in recent decades to other roofing options. While BUR can provide years of dependable service at a competitive price, concerns regarding the use of hot asphalt have been expressed by building owners and insurance companies with primary concerns regarding fumes and […] Read More
Masonry Parapets in Frequent Freeze/Thaw Climates May 15, 2003 6 • Interface March 2003 ly down toward the outside face of the parapet coping. The backer rod or bond breaker tape can then be installed, cutting it short from each end by the designed thickness of the sealant. The sealant can then be installed and should be tooled to assure good adhesion to both […] Read More
BUR Rebounds From Exaggerated Death Report; Low-Fuming Asphalts Contribute May 15, 2003 August 2003 Interface • 21 As Mark Twain did years ago, built-up roofing (BUR) can assert that the report of its death was an exaggeration. The roofing system, composed of three or four layers of roofing felts embedded in a bitumen, is enjoying a revival despite threats from other systems over the last few decades. […] Read More
Wind Pressure Measurements on Full Scale Flat Roofs May 15, 2003 April 2003 Interface • 17 INTRODUCTION A flat roof surface is known to be subjected to unusually high suction induced by a pair of “horseshoe” vortices caused by the wind coming diagonally facing a corner of the building (Kind and Wardlaw, 1979). This phenomenon can cause very serious damage to the roofing system, such as […] Read More
Cold Adhesives Increase BUR Options May 15, 2003 26 • Interface August 2003 Cold application has provided an alternative to traditional hot asphalt applied built-up roofing (BUR) in the industry for more than 20 years. The term “cold-applied roofing system” means that the BUR roofing system is assembled using multiple plies of reinforcement applied with solvent-borne, bituminous (liquid) adhesives instead of hot asphalt. […] Read More
