HI-GARD ™

Pre-insulated aboveground piping system

HI-GARD™
HI-GARD™ combines calcium silicate insulation with polyurethane HI-GARD™ is furnished in a variety of configurations to satisfy
foam insulation and a waterproof outer jacket for an insulation system insulation and jacket needs. The outer insulation jacket is available in
that can operate at temperatures up to 650°C. Both calcium silicate aluminum, stainless steel, galvanized steel or high-density polyethylene
and polyurethane insulations have high compressive strength so the (HDPE). HI-GARD™ can be supported directly on the insulation jacket
pipe can be supported directly on the insulation jacket without having instead of the service pipe, eliminating breaching of the insulation jacket and
to breach the integrity of the insulation jacket. Polyurethane foam the potential for pipe corrosion and insulation damage at the supports.
insulation is the most cost-effective, efficient insulation on the market.
These two insulations combined result in a high quality, low cost, The addition of optional heat tracing for freeze protection or temperature
energy efficient piping insulation solution. maintenance results in greater overall savings because the heat tube is
attached and insulated in the factory. BPPC can design the heat
Advantages of Factory Insulation over trace and insulation system to achieve the lowest life-cycle cost.
Conventional Field Insulation
Features
BPPC’s HI-GARD™ eliminates the need to field insulate and jacket
the pipe on the rack, decreasing project construction time and field • Aboveground high temperature, factory pre-insulated piping system
labor costs. The insulation work is done in a factory controlled • Pipe supported by the insulation and jacket eliminates
environment and is not exposed to the elements during production. expensive pipe supports, pipe corrosion and insulation damage
HI-GARD™ provides owners, operators and engineers a high quality • Factory pre-insulation reduces field labor costs
product with energy and cost savings. • Heat tracing for freeze protection or temperature maintenance (optional)
• Available with waterproof HDPE or metal outer jackets
• Factory pre-insulation in a controlled environment ensures the highest
quality and specification conformance
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HI-GARD Pre-insulated aboveground piping system

STAGGERED INSULATION SEAMS

OUTER JACKET
HEAT TUBE (OPTIONAL) OUTER INSULATION LAYER

HEAT TUBE (OPTIONAL)

INNER INSULATION
LAYERS

STAGGERED INSULATION
SEAMS

HDPE OR METAL JACKET

OUTER INSULATION LAYER
INNER INSULATION LAYER #2
INNER INSULATION LAYER #1
SERVICE PIPE

Specification Guide
General Field Joints
All piping systems for service up to ___°C installed aboveground All straight pipe joints shall be factory pre-insulated. Field joints
shall be BPPC™ HI-GARD™ factory pre-insulated. between straight length of HI-GARD™ pre-insulated pipe shall be
field insulated with field joint kit materials supplied by the pre-
Pipe Joints insulated pipe supplier.
All straight pipe joints shall be factory pre-insulated. For
temperatures above 120°C, the inner layer of insulation shall
Electric Heat Tracing (Optional)
be calcium silicate. The outer insulation shall be 90% to 95% Electric heat tracing shall be supplied and provide a maintenance
closed-cell polyurethane with 48kg/m3 nominal density and thermal temperature of ___°C and shall be factory-applied as an integral part
conductivity (K) of 0.026 W/m°C at 23°C. of all straight runs and fittings. Method of electric heat tracing shall
be (Skin Effect Current Tracing, Impedance, Heat Tape) as designed
Standard Jacket and supplied by BPPC.

Jacket Type Jacket Size Systems Supports and Anchors

Aluminum 22 gauge*
Anchors may be prefabricated and furnished as an integral part
Galvanized and plastic coated steel 24 gauge* of the total system, if specified. External supports that do not breach
High-density polyethylene 1.5mm minimum the insulation jacket shall be provided by the installer.
Stainless steel 26 gauge*
Installation
*Heavier jackets available upon request. Plastic coated steel available in a
variety of colors. All pipes and accessories shall be installed in accordance with the
manufacturer’s recommendations. The services of a factory trained
Service Pipe field service technician shall be required during all critical stages of
installation and testing.
Service pipe, material, size and wall thickness shall be as specified
for the desired service.

Fittings and Accessories

Elbows, tees, reducers, anchors, valves and instrumentation shall be
field insulated using conventional insulation and jacket materials. As
Coating Plant Sales Office
an option, elbows, tees and anchors may be factory, pre-insulated. Suite 104, 221 18th St. SE
5233 39th Street
Camrose, AB T4V 4R5 Calgary, AB T2E 6J5
Tel: 780-672-2345 Tel: 403-264-4880
Fax: 780-672-3006 Fax: 403-290-0055
HI-GARD™ is a trademark of PERMA-PIPE, Inc. Bayou Perma-Pipe™ and the
BPPC™ logo are trademarks of Bayou Perma-Pipe Canada Limited. www.bayoupermapipe.com

BPPC011 12/11 © 2011 Aegion Corporation