A number of coaching and training alternatives occurred throughout the Fenestration and Glazing Business Alliance (FGIA) 2024 Fall Convention in Minneapolis, together with a session on mock-up testing in building, a primer on corrosion, and an academic hands-on workshop demonstrating the correct utility of supplies frequent in fenestration set up, as offered by the FGIA Wall Interface Council.
A presentation entitled “Building Mock-ups & Testing | Overview, Traits, and Finest Practices” was led by Christopher Gray, principal at Simpson Gumpertz & Heger’s constructing enclosures division in Boston. “Mock-ups assist you to perceive real-life situations and implement classes realized all through,” says Gray. “You possibly can work out bugs early.”
Gray shared that there are a number of various kinds of building mock-ups, together with laboratory (off-site), preconstruction (stand-alone), in-situ (on-building), and digital. Laboratory ones are usually for distinctive techniques. “A laboratory mock-up can assist one establish water leakage places so one can discover the trigger and course right,” says Gray.
With stand-alone mock-ups, one can customise small and huge tasks and conduct smaller scale exams on or close to website. “You possibly can perceive visible versus efficiency and meet particular jurisdictional necessities,” says Gray. “You possibly can check the fenestration merchandise, the wall meeting and cladding and the complete mock-up.”
In-situ mock-ups are for all venture sorts and smaller scale exams with distinctive situations on the constructing. Lastly, digital mock-ups are additionally for all venture sorts, various in dimension and use. “There is no such thing as a efficiency testing obtainable but, however you should utilize this to check out distinctive situations,” says Gray.
Mock-ups can assist to know actual life situations. “They don’t seem to be only a high quality assurance program,” says Gray. When implementing mock-ups, be vigilant all through, beginning early, he says. “Specify and element mock-ups in paperwork,” Gray says. “Get your contractor’s recommendation. Use obtainable instruments to mitigate potential danger at varied phases of a venture.”
One other session known as “Introduction to Corrosion” was offered by Dr. Victoria Gelling, senior analysis fellow at Sherwin-Williams Co., primarily based in Cleveland. She shared the science behind how corrosion is precipitated. “How will we cease corrosion? We don’t,” she says. “However coatings can sluggish water, salts, and oxygen from reaching the floor of the steel. All non-noble metals will finally corrode.”
Corrosion is an electrochemical course of occurring at steel/electrolyte interface, says Gelling. “Consider it as refining in reverse,” she says. “To cease corrosion, cease having a spot for these electrons to go.” A number of components influence corrosion charges, together with pH, oxygen availability, salts, contaminants, temperature, oxide layer properties, utilized potential [voltage], and time of wetness. Necessary components are pH, oxygen, and temperature. “Metal doesn’t care what pH you’re at,” she says, including that “adjustments in pH of an electrolyte won’t influence corrosion fee of iron as a lot as it can the corrosion fee of aluminum alloys.”
In conclusion, corrosion and its correct measurement is a fancy topic, says Gelling. “It’s a always evolving space, with new supplies, substrates, pretreatments, and trade wants coming into {the marketplace}.”
A hands-on workshop demonstrated six completely different processes, all displaying correct processes of making use of supplies throughout fenestration set up. Workshops included:
- Correct utility of liquid utilized flashing: Pat Downey, of PROSOCO Inc., primarily based in Lawrence, Kan.
- Compatibility of supplies and customary indicators of incompatibility: Man Lengthy of PROSOCO.
- Flashing utility targeted on weatherboard sequencing: Rod Calkum of Aquatech Consultancy Inc., primarily based in Walnut Creek, Calif.
- Correct use of a J-Curler for self-adhering flashing: Eric Seaverson of Intertek, primarily based in London.
- Sealant joints, kinds of joints, and correct joint design: Invoice Longo of DAP World Inc., primarily based in Baltimore.
- Gunnable sealant and high quality management for mixing two-component sealants: Steve Altum of Dow Efficiency Silicones, primarily based in Midland, Mich.