It’s Here! Yes, BT1 out on the shelf and flying off the shelf! BT1 The Ultimate Bathroom Sealant and Adhesive, has the industry in awe. GOODBYE fungal and bacteria growth forever, TRIBRID® technology is sweeping the nation and the first demo morning was a hive and buzz of activity. Bathrooms will never be the same again. BYE BYE bacteria. BYE BYE Mould!