Insulation boxes are available coming in multiple wall thickness options. These are designed for thermal insulation of pipework in HVAC systems. The insulation helps improve energy efficiency and reduce condensation. The two leading brands offered by Smith Brothers are:
Kaimann
Armacell
Both brands are known for high-quality elastomeric foam insulation, suitable for commercial and residential air conditioning systems.
Kaimann Kaiflex ST High Performance Class O Pipe Insulation. Excellent fire resistance and thermal efficiency. 1/4in (6mm) Bore x 3/8in (9mm) Wall. 40m Coil Individually boxed - Black
Kaimann Kaiflex ST High Performance Class O Pipe Insulation. Excellent fire resistance and thermal efficiency. 3/8in (10mm) Bore x 3/8in (9mm) Wall. 34m Coil Individually boxed - Black
Kaimann Kaiflex ST High Performance Class O Pipe Insulation. Excellent fire resistance and thermal efficiency. 1/2in (12mm) Bore x 3/8in (9mm) Wall. 31m Coil Individually boxed - Black
Kaimann Kaiflex ST High Performance Class O Pipe Insulation. Excellent fire resistance and thermal efficiency. 5/8in (15mm) Bore x 3/8in (9mm) Wall. 27m Coil Individually boxed - Black
Kaimann Kaiflex ST High Performance Class O Pipe Insulation. Excellent fire resistance and thermal efficiency. 7/8in (22mm) Bore x 1/2in (13mm) Wall. 14m Coil Individually boxed - Black