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Tuff-N-Nuff
Rock Shield
by Tuff-N-Nuff
A durable plastic mesh that protects pipes
& pipelines from corrosion.
80”
x 72” custom cut pads for a 24" pipe.
Rock Shield by Tuff-N-Nuff helps maintain cathodic flow in natural gas
and oil pipelines. The durable plastic mesh is wrapped around the pipe
to protect against debris and rock damage during back filling and
against problems that certain soil conditions can cause after pipe is
installed.
Rock Shield is manufactured in either rolls or pads based on
the pipe diameter to be protected. Rolls are provided for pipe diameters
up to 20". Pads are available for pipe diameters 24" or larger. Roll and
pad widths are determined by the pipe circumference and are designed to
overlap for complete protection of the pipe. Rock Shield Rolls are
available in various lengths for cigarette wrapping. Rock Shield Pads
are provided in 6 ft. lengths.
Rock Shield is an 11 mm
thick PVC strand extruded pad with excellent compressive and impact
strength. Flexible pads or rolls can easily be installed by two or
three men so fast that labor costs are minimal. Rock Shield is easily
transported because pads and rolls are lightweight and convenient sizes.
Weather is never a problem for PVC material tested to -50° to 120°C.
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| Cigarette
Wrap. 72” x 30’ rolls for a 20" pipe. |
Rock
Shield benefits
- Made of heavy-duty PVC. Flexible to
accommodate normal pipe movement resulting from ground shifting, thermal
expansion or contraction.
- Absorbs impact of uneven back fill.
Tested superior to competitors (including select-fill).
- Non-woven texture. Porous, does not trap
water, allows accurate cathodic testing.
- Protects pipe coating from protruding rocks in trench.
- Minimizes abrasion of coating from pipe movement
underground.
- Protects pipe during future excavations.
- Is unaffected by temperature extremes and wet weather.
Weather is never a problem for PVC material tested from -50° to 120°C.
- Maintains cathodic protection without inhibiting cathodic
flow.
- Cushions against concrete weights.
- Easy to install. Cuts with a utility knife.
- Lightweight. Easy to handle and
transport.
- Yellow color to identify in-ground pipe
to third parties.
Availability
- Rolls: Any width up to 72” and
produced to any length desired.
- Pads: 6’ x any width, custom cut,
strapped with filament tape.
- Pre-cut to size for swamp or
river weights.
Product Selection
Guide
|
Pipe Diameter |
Pipe Circumference |
Recommended Product |
| ≤ 2" |
≤ 7.45" |
RIP Shield |
| 3" |
9.40" |
15" (381 mm)
Rolls |
| 4" |
13.90" |
18" (457 mm)
Rolls |
| 6" |
19.60" |
24" (609 mm)
Rolls |
| 8" |
27.00" |
32" (813 mm)
Rolls |
| 10" |
33.75" |
36" (914 mm) Roll |
| 12" |
40.00" |
44" (1,118 mm)
Rolls |
| 14" |
43.90" |
48" (1,219 mm)
Rolls |
| 16" |
50.20" |
54" (1,372 mm)
Rolls |
| 18" |
56.50" |
60" (1,524 mm)
Rolls |
| 20" |
62.80" |
72" (1,829 mm)
Rolls |
| 24" |
75.30" |
80" (2,032 mm)
Pads |
| 26" |
81.60" |
86" (2,184 mm)
Pads |
| 28" |
87.90" |
92" (2,337 mm)
Pads |
| 30" |
94.00" |
98" (2,489 mm)
Pads |
| 32" |
100.50" |
104" (2,642 mm)
Pads |
| 34" |
106.75" |
111" (2,819 mm)
Pads |
| 36" |
113.00" |
117" (2,972 mm)
Pads |
| 42" |
131.80" |
136" (3,454 mm)
Pads |
| 48" |
150.70" |
155" (3,937 mm)
Pads |
Installation
- Cigarette wrap custom ROLLS for
pipelines up to 20” in diameter
- For larger pipelines, custom PADS may be
strapped around pipe with filament tape or appropriate non-metallic
substitute.
- Recommend overlap should be at bottom of
pipe or shiplap down to avoid separation during backfill.
- Backfill should follow the installation
of pads within a reasonable time.
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