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Tubos Pipe Extensions help maintain code-compliant vent stack heights after adding insulation during re-roofing. Pre-engineered for quick installation, these units fit cast iron and PVC stacks, and each 28-inch extension can adjust up to 16 inches. With a patented six-inch splice sleeve, these units prevent moisture intrusion into the roofing assembly, making them ideal for tapered systems or lightweight concrete decks. Available in the four most popular vent sizes, these units offer a fast, reliable solution to keep stacks within code.
