b'MOISTURE MANAGEMENTBLACK IRON STAINING ON GLULAM COLUMNSWATER STAINING, WOOD TANNIN MOVEMENT ANDDECAYED TIMBER FLOOR AND GLULAM BEAM AND BEAMS RESULTING FROM WETTING OFFUNGAL GROWTH DUE TO WATER FROM PANELWHERE WETTED WOOD WAS TRAPPED BEHIND AN UNPROTECTED STEEL CONNECTIONS. JOINT ABOVE THE BEAM. IMPERMEABLE MEMBRANE.during construction and to then allow anyas bare carbon steel, construction debrisapplied to every project unless that solu-dampness to dry out before finishing floorand oils.tion keeps the wood completely dry with and building enclosure assemblies. Much can be learned from the manyrobust membranes or tenting over the To limit aesthetic issues, wetting needssuccessful mass timber buildingsentire building (which can be costly and to be reduced in frequency and dura- constructed to date as well as those thatis not currently practical for large or tall tion. Careful attention should be paid toexperienced moisture challenges building sites). protection methods and details of connec- during construction. Like a lot of risk management efforts, tions, and wood should be separated fromEvery project is different, so no singlemass timber moisture management comes certain other construction materials suchmoisture management solution can bedown to the owners or contractors risk TRS BUILDING ENVELOPE CORP.TOMTAR ROOFING& SHEET METAL LTD.Unmatched Industry Experience.Serving the Interior & Western CanadaFALL/WINTER2025 15'