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PITTWRAP® Z55 Jacketing | Insulation Jacketing | Owens Corning Insulation Skip to Main Content

Pipe Insulation Accessory

PITTWRAP® Z55 Jacketing 

PITTWRAP® Z55 Jacketing is a reversible, three-ply membrane consisting of 18 micron white PET, 25 micron aluminum, and 12 micron clear PET used for protecting FOAMULAR® XPS Pipe Insulation.

This pipe insulation jacketing product can be applied with the aluminum side out or the white side out. PITTWRAP® Z55 Jacketing is designed for use with FOAMULAR® XPS insulation for industrial applications.

PITTWRAP® Z55 Pipe Insulation Jacketing Features:

  • Protects foam pipe insulation from physical damage
  • Resists water and surface moisture
  • Helps prevent mold, mildew, and fungal growth
  • Provides durable outer protection in demanding environments

Packaged roll of Pittwrap Z55 jacketing

Performance Attributes

This pipe insulation jacketing is designed to provide durable protection with resistance to punctures, tearing, and wear. This insulation jacketing resists water, humidity, and microbial growth while meeting flame spread and smoke development requirements. It performs across a wide temperature range for consistent performance in varying conditions. The color is specifically formulated to be an identical match to PVC fittings.

Technical Information

PROPERTY

TEST METHOD

SI

ENGLISH

ColorAluminum/White
Weight (Nominal)

0.45 kg/m2

0.09 lb/ft2

Application Temperature       
Maximum
Minimum


45˚C
10˚C


113˚C
50˚C

Service Temperature2
Maximum
Minimum


104˚C
-75˚C


220˚F
-103˚F

Thickness, Total55 microns2.17 mils
Permeance

ASTM E96 Procedure A

0.031 ng/Pa • s • m/m²0.00054 perm
Tensile StrengthASTM D882368.33 N/cm (MD) 403.36 N/cm (XD)210.321927 lb/in 230.324579 lb/in
Elongation % minASTM D88224%
Dimensional StabilityASTM  C1204

<0.25%

Puncture ResistanceASTM D1000106.75 N24 lbf
Mold/Mildew ResistanceASTM C1338Pass
Surface Water ResistanceASTM D3285Pass

Elevated Temperature & Humidity Resistance

ASTM C1258Pass

Flam Spread/Smoke Development

ASTM E84

<25/50

Burst StrengthASTM D3786723.95 kPa105 psi

2 Service temperature limits are derived from laboratory evaluation of the product under conditions that simulate real-world applications. Variations in substrates, loading conditions, or other external factors not explicitly covered by our guide specifications may further limit service temperature. Always follow the appropriate Owens Corning guide specifications, product data sheets, and application instructions for suitability for use recommendations for specific applications.

Applications

PITTWRAP® Z55 Jacketing is pipe jacketing used as a protective outer layer over FOAMULAR® XPS pipe insulation in industrial and mechanical systems. It is wrapped around insulated piping and below ambient tanks to help protect against moisture, damage, and environmental exposure. The material can be installed with either the white or aluminum side facing outward, depending on project needs.

  • Accessories and Specialty
  • Tanks
  • Tanks > Below Ambient Tanks

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