Zurn Z135‑6 8″ Roof Drain – Conventional Inverted Promenade Deck.
Product Overview:
Meet the Zurn Z135‑6, an 8″ diameter roof drain engineered specifically for conventional inverted promenade deck roofing. Its rugged Dura‑Coated cast iron body ensures long-lasting durability, while the adjustable strainer head, flashing clamp, and stainless steel extension make it a versatile and reliable drainage solution designed for heavy-duty performance.
Features & Benefits:
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Durable Construction: Dura‑Coated cast iron body resists corrosion and ensures a long service life.
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Adjustable Grate: Easily aligns with varying roof thicknesses for a flush fit.
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Secure Drainage Collar: Cast iron strainer collar and flashing clamp collar provide waterproof sealing in promenade deck applications.
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Stainless Steel Hardware: Includes corrosion-resistant extension and components for reliable performance.
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Perfect Fit for Custom Roofs: Tailored for inverted promenade decks, addressing specialized waterproofing challenges.
Specifications:
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Drain Diameter: 8″ (203 mm)
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Body Material: Dura‑Coated cast iron
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Grate: Round, adjustable to roof surface
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Collars: Cast iron strainer and flashing clamp
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Extension & Hardware: Stainless steel
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Application: Conventional inverted promenade deck roofs
Installation Tips:
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Set the drain body flush with the roof deck before installing insulation and waterproof layers.
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Use the flashing clamp collar to secure the drain to the waterproof membrane, ensuring a tight seal.
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Adjust the grate height after the roof surface is finished to ensure flush water flow.
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Tighten all stainless steel hardware evenly—avoid over-tightening to preserve integrity.
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Periodically clear debris to maintain optimal drainage performance.
FAQs:
Q: Is this drain suitable for plaza or rooftop decks with pavers?
A: Yes—the durable body and sealing collar make it well-suited for pedestrian decks or paver installations.
Q: Can the adjustable head accommodate thick insulation?
A: Absolutely—this drain’s adjustability allows for raising the grate to match thicker deck systems.
Q: Does it include flashing accessories?
A: Yes, it includes a cast iron flashing clamp collar to secure the waterproof membrane efficiently.
Q: What makes it different from standard roof drains?
A: It’s specially designed for promenade decks, featuring adjustable components and sealing collars to handle inverted deck waterproofing needs.
Q: Is stainless steel hardware included?
A: Yes, all extensions and fasteners included are stainless steel to resist corrosion over time.
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