Exclusive manufacturers of LAST-A-FOAM polyurethane foams.

• See also:
• Masterformat 2004
• 23 20 00 - HVAC PIPING AND PUMPS
• 23 21 13 - Hydronic Piping
• 23 21 23 - Hydronic Pumps
• 23 22 13 - Steam and Condensate Heating Piping
• 23 22 23 - Steam Condensate Pumps
• 23 23 00 - Refrigerant Piping
• 23 25 00 - HVAC Water Treatment
• 23 30 00 - HVAC AIR DISTRIBUTION
• 23 31 00 - HVAC Ducts and Casings
• 23 31 13 - Metal Ducts
• 23 31 16 - Nonmetal Ducts
• 23 33 00 - Air Duct Accessories
• 23 33 46 - Flexible Ducts
• Masterformat 1995
• 15180 - Heating and Cooling Piping
• 15800 - Air Distribution
• 15810 - Ducts
• 15820 - Duct Accessories