Price: $33.00
Item #MIR-3-RAH-8
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Description
The MIRO 3-RAH-8 is an adjustable rooftop roller pipe support designed for gas, conduit, or mechanical piping requiring height flexibility. With an adjustable clearance range of 2.75 to 8 inches, it accommodates thermal expansion while maintaining stability and roof protection. The polycarbonate base and roller system provide a non-penetrating, load-distributing solution for flat and low-slope roofs.
Key Features:
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adjustable clearance range from 3.875 in. to 8 in.
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supports axial pipe movement with low-friction roller design
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non-penetrating polycarbonate base protects roof membranes
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compact footprint suitable for tight layouts
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backed by a 20-year limited warranty
Specifications
- Model / SKU: 3-RAH-8
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Pipe capacity: up to 3 in. nominal (3.0–3.75 in. OD typical)
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Adjustable clearance: 3.875 in. to 8 in.
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Base dimensions: 9 in. × 15 in. (approx.)
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Footprint area: approx. 135 sq. in.
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Materials: polycarbonate base, polycarbonate roller, galvanized hardware
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Load rating: up to 122 lb per support (static, evenly distributed load)
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Recommended spacing: up to 7 ft on center depending on pipe size and load
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Design: non-penetrating, adjustable height, allows thermal expansion/contraction
How To
- plan pipe run and confirm adjustable clearance requirements.
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prepare roof surface by clearing debris and ensuring level footing.
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place the 3-RAH-8 base on the membrane in line with the pipe route.
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adjust the roller height between 3.875 in. and 8 in. to achieve required clearance.
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position pipe on the roller cradle, verifying smooth axial movement.
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repeat along pipe run, spacing supports up to 7 ft apart.
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check alignment, stability, and pipe clearance before finalizing installation.
FAQs
Q: what pipe sizes can the 3-RAH-8 support?
A: it is designed for up to 3 in. nominal pipe, with outside diameters up to 3.75 in.
Q: what is the adjustable height range?
A: the roller clearance can be set between 3.875 in. and 8 in.
Q: is the design non-penetrating?
A: yes, the polycarbonate base distributes weight directly on the roof without penetrations.
Q: how much weight can one unit support?
A: each 3-RAH-8 can hold up to 122 lb of evenly distributed static load.
Q: does it allow pipe expansion?
A: yes, the roller design enables smooth axial movement to accommodate thermal expansion and contraction.
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