Galvalume

Galvalume

Product Descriptive Name
Aluminum-Alloy Coated Steel Jacketing
Product Short Description
Manufactured from low carbon cold rolled steel that has a continuous hot dipped aluminum-zinc alloy coating applied to the outer surfaces for resistance to corrosion.

Product Details

Galvalume

Product Long Description
Galvalume® roll jacketing is manufactured from low carbon cold rolled steel that has a continuous hot dipped aluminum-zinc alloy coating applied to the outer surfaces for resistance to corrosion. The special coating is composed of 55% aluminum, 1.6% silicon, and 43.4% zinc. The finished sheet has yield strength of 38,000-53,000 psi, a tensile strength of 50,000-65,000 psi, 20-36% elongation, and a hardness of 50-65 HRB.

Features

Galvalume

Features

Corrosion Resistance - Outperforms traditional galvanized steel in marine salt spray and industrial environments, ensuring a longer-lasting installation.

High-Temperature Durability - Withstands up to 600°F without discoloration and up to 1250°F without heavy oxidation or scaling, offering excellent fire resistance.

Dual-Metal Protection - Combines aluminum’s heat reflectivity and oxidation resistance with zinc’s formability and edge protection for enhanced performance.

Documents

Sign up for Industrial Insulation news & events

Resources

Explore our Industrial insulation tools, education and training programs built specifically to aid you in your professional development

Request a Technical Presentation
Johns Manville offers customized presentations to help you stay up to date on the latest market trends and enhance your knowledge of JM products.

The Source: Industrial Insulation Resource Library
The Source is where we house the latest Insulation Intel® on industry trends, insights, and continuing education opportunities. This is a resource built specifically to aid you in your professional development. Explore our webinars, compare specs, and follow our blog all right here at The Source.

Insulation Systems Document Library 
Your resource for all JM documents in one place. 

Where to Buy
Use our insulation locator tool to find JM products near you.

Resource Pages

Calcium Silicate Pipe and Board Insulation Resource Library
Cutting-edge innovations that redefine toughness.

Cross-Flo Jacketing Resource Library

Water isn’t welcome inside an insulation system, so get it out – and fast – with the help of  Cross-Flo Jacketing. 

Corrosion Under Insulation (CUI) Resource Library
The newest defense against CUI.

Insulation Solutions for Cryogenic and LNG Systems
properly design, specify and install your cryogenic and LNG application.

Project Profiles

Newark Energy Center
The construction of the Newark Energy Center gas-fired power plant in Newark, New Jersey called for the latest GE gas turbine technology to supply electricity to more than 700,000 homes. 

CUI Protection at a Refinery
The service crew at a Washington state location put Cross-Flo® jacketing to use on a maintenance project, after first testing the product themselves. 

Explore More

Industrial Insulation Intel

Blog

Watch On-Demand

Webinars

How to video series

Insulation Minute