The Roof Tube Mini (¼‑Gallon) with Shut‑Off Valve, RT‑RTM, offers the same efficiency and suction-fed design as the Classic but in a compact, half‑size format—perfect for confined areas like under rooftop units or tight seams. Loaded from the ground, it lets you draw up material, then take it up the ladder for fast and ergonomic application. Designed to reduce fatigue, increase accuracy, and simplify clean-up, the Mini’s shut-off valve gives you precise control over mastic flow, making it a...