Since 1922 Henderson Barwick Inc. has been a leading fabricator of corrosion resistant pipe, tubes and fittings for the North American Pulp & Paper Industries.

• See also:
• Masterformat 2004
• 05 58 00 - Formed Metal Fabrications
• 05 58 13 - Column Covers
• 05 58 16 - Formed Metal Enclosures
• 05 58 19 - Heating/Cooling Unit Covers
• 07 72 00 - Roof Accessories
• 07 72 13 - Manufactured Curbs
• 07 72 23 - Relief Vents
• 07 72 26 - Ridge Vents
• 07 72 33 - Roof Hatches
• 07 72 36 - Smoke Vents
• 07 72 43 - Roof Walk Boards
• 07 72 46 - Roof Walkways
• 07 72 53 - Snow Guards
• 07 72 63 - Waste Containment Assemblies
• 23 35 13 - Sawdust Collection Systems
• 23 40 00 - HVAC AIR CLEANING DEVICES
• 23 41 00 - Particulate Air Filtration
• 23 41 33 - High-Efficiency Particulate Filtration
• 23 41 43 - Ultra-Low Penetration Filtration
• 23 43 00 - Electronic Air Cleaners
• 44 11 16 - Fugitive Dust Barrier Systems
• Masterformat 1995
• 05580 - Formed Metal Fabrications
• 07720 - Roof Accessories
• 15860 - Air Cleaning Devices