2024:

Research+Tech, "FM Approvals offers steep slope guidance," Professional Roofing, November 2024
Research+Tech, "An updated FM," Professional Roofing, October 2024
Research+Tech, "Know the options," Professional Roofing, Septebmer 2024
Research+Tech, "Fire drill," Professional Roofing, July/August 2024
Article, "A clarified code, "Professional Roofing, June 2024
Research+Tech, "The lighting round," Professional Roofing, June 2024
Research+Tech, "Preventing building fires," Professional Roofing, May 2024
Research+Tech, "FM Global makes changes," Professional Roofing, April 2024
Research+Tech, "New roofing research," Professional Roofing, March 2024
Research+Tech, "Maintaining compliance," Professional Roofing, February 2024

2023:

Research+Tech, "Wildfire mitigation," Professional Roofing, December 2023-January 2024
Research_Tech, "Compare and contrast," Professional Roofing, November 2023
Research+Tech, "A turf war," Professional Roofing, October 2023
Research+Tech, "Putting the test to the test," Professional Roofing, Sept. 2023
Research+Tech, "Updating PIMA's QualityMark," Professional Roofing, July/August 2023
Research+Tech, "Sustainable thinking," Professional Roofing, June 2023
Research+Tech, "Understanding underlayment," Professional Roofing, May 2023
Research+Tech, "Getting closer to gutters," Professional Roofing, April 2023
Research+Tech, "Better understanding of adhesion," Professional Roofing, March 2023
Research+Tech, "The code's next edition," Professional Roofing, February 2023

2022:

Research+Tech, "Revisiting field uplift testing," Professional Roofing, December 2022/January 2023
Research+Tech, "Be on the lookout," Professional Roofing, November 2022
Research+Tech, "Asphalt shingle guidance," Professional Roofing, October 2022
Research+Tech, "Roof coatings and code compliance," Professional Roofing, September 2022
Research+Tech, "Tapered insulation R-value," Professional Roofing, July/August 2022
Research+Tech, "Updating the code," Professional Roofing, June 2022
Research+Tech, "Changes for steel deck," Professional Roofing, May 2022
Research+Tech, "Keeping current," Professional Roofing, April 2022
Research+Tech, "The second round," Professional Roofing, March 2022
Article, "Supply chain chaos," Professional Roofing, February 2022
Article, "An evolution of knowledge," Professional Roofing, February 2022
Research+Tech, "Understanding R-value," Professional Roofing, February 2022

2021:

Research+Tech, "Construction-generated moisture," Professional Roofing, December 2021/January 2022
Article, "A compendium of changes - Part 2," Professional Roofing, November 2021
Research+Tech, "Less is more," Professional Roofing, November 2021
Research+Tech, "Do you need a vapor retarder?" Professional Roofing, October 2021
Industry Issue Update, "Roofing material shortages and price volatility," Professional Roofing, September 2021
Research+Tech, "Considering substitutions," Professional Roofing, September, 2021
Research+Tech, "A new standard," Professional Roofing, July/August 2021
Research+Tech, "The first step," Professional Roofing, June 2021
Research+Tech, "Positioning is everything," Professional Roofing, May 2021
Article, "A compendium of changes," Professional Roofing, April 2021
Research+Tech, "Plywood or OSB?" Professional Roofing, April 2021
Research+Tech, "Three things you need to know," Professional Roofing, March 2021
Research+Tech, "Understanding asphalt shingle standards," Professional Roofing, February 2021

2020:

Research+Tech, "Know your steep-slope roof decks," Professional Roofing, December 2020/January 2021
Research+Tech, "The importance of roof drain height," Professional Roofing, November 2020
Research+Tech, "Guidance for homeowners," Professional Roofing, October 2020
Research+Tech, "Being more tolerant," Professional Roofing, September, 2020
Research+Tech, "Another round," Professional Roofing, August 2020
Research+Tech, "Attachment advice," Professional Roofing, July 2020
Article, "Concerns with concrete roof decks: Moisture release presents challenges," A Spec of Granite, June 2020
Research+Tech, "IIBEC's new manual of practice," Professional Roofing, June 2020
Research+Tech, "Research roundup," Professional Roofing, May 2020
Research+Tech, "FM Global makes some changes," Professional Roofing, April 2020
Feature, "Understanding ES-1," IIBEC Interface, March 2020
Research+Tech, "Specifying specifics," Professional Roofing, March 2020
Research+Tech, "Putting it to the test," Professional Roofing, February 2020
Research+Tech, "Consider the deck," Professional Roofing, January 2020

2019:

Research+Tech, "Working towards the future," Professional Roofing, December 2019
Research+Tech, "Discussing dissimilar metals," Professional Roofing, November 2019
Research+Tech, "Conduit concerns," Professional Roofing, October 2019
Research+Tech, "Nailed it," Professional Roofing, September 2019
Research+Tech, "Detail-oriented," Professional Roofing, August 2019
Research+Tech, "Planning ahead," Professional Roofing, July 2019
Research+Tech, "On the edge," Professional Roofing, June 2019
Research+Tech, "Communication is key," Professional Roofing, May 2019
Research+Tech, "Considering alternatives," Professional Roofing, April 2019
Research+Tech, "Coating concerns," Professional Roofing, March 2019
Feature, "Reroofing by the book," Professional Roofing, February 2019
Research+Tech, "New torch-safety guidelines," Professional Roofing, February 2019
Research+Tech, "Specifying modified bitumen sheet products," Professional Roofing, January 2019

2018:

Research+Tech, "Are admixtures the answer?" Professional Roofing, December 2018
Research+Tech, "Understanding FM Approvals' metal edge testing approval," Professional Roofing, November 2018
Research+Tech, "Following instructions," Professional Roofing, October 2018
Research+Tech, "The wind resistance of shingles," Professional roofing, September 2018
Research+Tech, "Roof slope guidelines," Professional Roofing, August 2018
Research+Tech, "Clearing the air," Professional Roofing, July 2018
Research+tech, "Standards you should know," Professional Roofing, June 2018
Research+Tech, "Designing for hail resistance," Professional Roofing, May 2018
Research+Tech, "Concerns with roof drains," Professional Roofing, April 2018
Research+Tech, "ASCE 7-16," Professional Roofing, March 2018
Research+Tech, "The manual's latest update," Professional Roofing, February 2018
Research+Tech, "Polyiso storage guidelines," Professional Roofing, January 2018

2017:

Feature, "Specifying CERTA," Professional Roofing, December 2017
Research+Tech, "Understanding FM VSH," Professional Roofing, December 2017
Research+Tech, "Metal flashing thicknesses," Professional Roofing, November 2017
Research+Tech, "Assessing application," Professional Roofing, October 2017
Feature, "Picking PV," Professional Roofing, September 2017
Research+Tech, "Moisture in concrete roof decks," Professional Roofing, September 2017
Research+Tech, "TPOs face a challenging landscape," Professional Roofing, August 2017
Research+Tech, "Not quite measuring up," Professional Roofing, July 2017
Research+Tech, "Recommendations for better shingling," Professional Roofing, June 2017
Tech today, "Keeping out the air," Professional Roofing, May 2017
Tech today, "Cover board considerations," Professional Roofing April 2017
Feature, "The situation with steel decks," Professional Roofing, March 2017
Tech today, "Polyiso recommendations," Professional Roofing, March 2017
Tech today, "Steep-slope update," Professional Roofing, February 2017
Tech today, "The fully-adhered misnomer," Professional Roofing, January 2017

2016:

Tech today, "Understanding underlayments," Professional Roofing, December 2016
NRCA Industry Issue Update, "Reroofing and code compliance," December 2016
Tech today, "An ASTM primer," Professional Roofing, November 2016
Tech today, "A quest for clarity," Professional Roofing, October 2016
Feature, "Putting shingles to the test," Professional Roofing, October 2016
Tech today, "New roofing rules," Professional Roofing, September 2016
Tech today, "Keeping up to date," Professional Roofing, August 2016
Tech today, "Updated guidelines," Professional Roofing, July 2016
Tech today, "PIMA disagrees," Professional Roofing, June 2016
Tech today, "Shingle specification," Professional Roofing, May 2016
Tech today, "Considering the winds," Professional Roofing, April 2016
Tech today, "A new consideration," Professional Roofing, March 2016
Article, "Another round," Professional Roofing, February 2016
Tech today, "Revisiting mod bit testing," Professional Roofing, February 2016
NRCA Industry Issue Update, "New polyisocyanurate R-values, Professional Roofing, January 2016
Tech today, "Staying up to date," Professional Roofing, January 2016

2015:

Symposium paper, "Long-Term Reflective Performance of Roof Surfaces in the Chicago Area," Eighth Symposium on Roofing Research and Standards Development (STP 1590), December 6, 2015
Symposium paper, "Evaluation of Air Leakage Properties of Seam-Fastened Mechanically Attached Single-Ply and Polymer Modified Bitumen Roof Membrane Assemblies," Eighth Symposium on Roofing Research and Standards Development (STP 1590), December 6, 2015
Tech today, "Know your options," Professional Roofing, December 2015
Tech today, "The cutting edge," Professional Roofing, November 2015
Tech today, "A call for collaboration," Professional Roofing, October 2015
Tech today, "Understanding oil canning," Professional Roofing, September 1015
Tech today, "Design challenges," Professional Roofing, August 2015
Tech today, "Analyzing insulation payback," Professional Roofing, July 2015
NRCA Industry Issue Update, "Field-uplift testing," June 2015
Tech today, "Single-ply advice," Professional Roofing, June 2015
Tech today, "Specifying polystyrene," Professional Roofing, May 2015
Tech today, "Understanding fire ratings," Professional Roofing, April 2015
Article, "Keeping up with I-codes," Professional Roofing, March 2015
Tech today, "Testing R-values," Professional Roofing, March 2015
Tech today, "An updated standard," Professional Roofing, February 2015
Tech today, "Concerns with steel roof decks," Professional Roofing, January 2015

2014:

Tech today, "Revisiting important issues," Professional Roofing, December 2014
NRCA Industry Issue Update, "Analyzing R-value requirements," November 2014
Tech today, "Ice damming season," Professional Roofing, November 2014
Tech today, "Unvented, conditioned attics, " Professional Roofing, October 2014
Tech today, "Guidelines for attic ventilation," Professional Roofing, September 2014
Tech today, "Complications for mechanically attached single plies," Professional Roofing, August 2014
Tech Today, "Complying with ANSI/SPRI ES-1," Professional Roofing, July 2014
Tech Today column, "Designing for rooftop safety," Professional Roofing, June 2104
Tech Today column, "Roofing research findings," Professional Roofing, May 2014
Article, "A question of accuracy: Long-term thermal resistance values may be misleading," Professional Roofing, May 2014
NRCA Industry Issue Update, "Asphalt health and safety," May 2014
Tech Today column, "Updating energy codes," Professional Roofing, April 2014
Tech Today column, "Specifying wind design," Professional Roofing, March 2014
Tech Today column, "Quality-assurance guidelines," Professional Roofing, February 2014
Tech Today column, "A discrepancy in polyiso's R-values," January 2014
NRCA Industry Issue Update, "Polyiso's R-value," January 2014

2013:

Tech Today column, "A troubling issue," Professional Roofing, December 2013
Tech Today column, "Fire classification changes," Professional Roofing, November 2013
Tech Today column, "Maintaining residential roof systems," Professional Roofing, October 2013
Tech Today column, "How hot is hot?" Professional Roofing, September 2013
NRCA Industry Issue Update, "Moisture in lightweight structural concrete roof decks," August 2013
Tech Today column, "New LTTR values," Professional Roofing, August 2013
Tech Today column, "Alternative asphalt shingle products," Professional Roofing, July 2013
Tech Today column, "Understanding code requirements," Professional Roofing, June 2013
Tech Today column, "Revising PV testing," Professional Roofing, May 2013
Tech Today column, "Revising LTTR," Professional Roofing, April 2013
Tech Today column, "Too many options," Professional Roofing, March 2013
Tech Today column, "Specifying CERTA," Professional Roofing, February 2013
Tech Today column, "Changes reduce some FM classifications," Professional Roofing, Jan. 2013

2012:

Tech Today column, "Cold weather application," Professional Roofing, December 2012
Tech Today column, "Reroofing requirements," Professional Roofing, November 2012
Article, "Making sense of metal," Professional Roofing, October 2012
Tech Today column, "Reasons for ongoing concern," October 2012
Tech Today column, "A conversation about coatings," Professional Roofing, September 2012
Tech Today column, "New guidelines for sheet-metal flashings," Professional Roofing, Aug. 2012
Article, "Understanding the new green building code," Professional Roofing, July 2012
Tech Today column, "Air barriers and the new energy code," Professional Roofing, July 2012
Article, "R-value concerns," Roofing Canada, June 2012
Tech Today column, "Revised wind maps," Professional Roofing, June 2012
Tech Today column, "Putting mod bit to the test," Professional Roofing, May 2012
Tech Today column, "The benefits of maintenance," Professional Roofing, April 2012
Tech Today column, "A concern with fiberboard insulation," Professional Roofing, March 2012
Tech Today column, "New information for a new year," Professional Roofing, February 2012
Tech Today column, "Concrete deck dryness," Professional Roofing, January 2012

2011:

Tech Today column, "A growing concern," Professional Roofing, December 2011
Article, "Changes in roofing requirements," Professional Roofing, December 2011
Tech Today column, "Developments with TPO," Professional Roofing, November 2011
Tech Today column, "Roofing and electrical conduit," Professional Roofing, October 2011
Tech Today column, "A new EnergyWise," Professional Roofing, September 2011
"The shortcomings of using prescriptive specifications with emerging technologies," 2011 International Roofing Symposium, Washington, D.C.
Tech Today column, "Repair guidelines for TPO membranes," Professional Roofing, August 2011
Tech Today column, "Green code development update," Professional Roofing, July 2011
Tech Today column, "Concerns with ASCE 7-10," Professional Roofing, June 2011
Tech Today column, "Testing polystyrene's R-values," Professional Roofing, May 2011
Tech Today column, "Energy codes and tapered insulation," Professional Roofing, April 2011
Tech Today column, "A joint effort," Professional Roofing, March 2011
Tech Today column, "TPO developments and lack therefore," Professional Roofing, February 2011
Tech Today column, "Fire testing roof-mounted PV systems," Professional Roofing, January 2011
Article, "The newest edition," Professional Roofing, January 2011

2010:

Tech Today column, "Revised R-values," Professional Roofing, December 2010
Tech Today column, "Green code development," Professional Roofing, November 2010
Tech Today column, "Fire testing slate," Professional Roofing, October 2010
Tech Today column, "ANSI/SPRI RP-14," Professional Roofing, September 2010
Article, "Testing vegetative roof systems," Professional Roofing, September 2010
Tech Today column, "Issues with TPO membranes," Professional Roofing, August 2010
Tech Today column, "ASHRAE 189.1," Professional Roofing, July 2010
Tech Today column, "Guidelines for air barriers," Professional Roofing, June 2010
Tech Today column, "R-value concerns," Professional Roofing, May 2010
Tech Today column, "New fire classifications," Professional Roofing, April 2010
Article, "New CERTA guidelines," Professional Roofing, April 2010
Tech Today column, "Green codes are coming," Professional Roofing, March 2010
Article, "Conserving energy," Professional Roofing, March 2010
Tech Today column, "Moisture in concrete roof decks," Professional Roofing, February 2010
Article, "New manual updated guidelines," Professional Roofing, January 2010
Tech Today column, "Unintended consequences," Professional Roofing, January 2010

1993-2009:

Articles and symposium papers from 1993 to 2009 are accessible on NRCA's website.

2024:

2023:

2022:

2021:

2020:

2019:

2018:

2017:

2016:

2015:

2013:

2012:

2011:

2010:

1993-2009:

The following is a partial list of articles and papers

I have written:

Papers and articles