When a building moves, its skin must follow. From thermal expansion and wind sway to seismic drift and concrete shrinkage, modern structures are in constant motion. The thin line of defense against water intrusion, air leakage, and energy loss is the sealant .

What movement class do you typically specify for curtain wall joints? Let us know below. 👇 #ASTMC920 #BuildingEnvelope #SealantSpecs #ConstructionQuality #FacadeEngineering #ElastomericSealant

When you see that designation, you know you have a product engineered for decades, not just the next rainstorm.