28mm pipe is widely used in commercial heating systems, larger domestic properties, and light industrial applications. It's a common size for boiler flow and return mains in commercial buildings, pressurised hot water systems, and HVAC primary circuits.
Where is 28mm pipe insulation used?
28mm pipework appears in commercial boiler rooms, district heating systems, pressurised domestic hot water systems, and larger residential properties with high-demand heating systems. In HVAC applications, 28mm is a standard size for chilled water and condenser water circuits.
Wall thickness for 28mm pipe insulation
For commercial heating applications, 25mm or 30mm wall thickness is typically specified to meet building regulations and CIBSE guidelines. For domestic applications, 19mm wall thickness is usually sufficient for pipes in heated spaces, with 25mm recommended for unheated areas.
Best materials for 28mm pipe insulation
Phenolic pipe insulation is the top choice for 28mm commercial heating pipes, delivering the best thermal performance per millimetre of thickness. Kingspan Kooltherm pipe insulation offers similar high performance with excellent fire ratings. Armaflex pipe insulation is ideal for chilled water and refrigeration pipework at 28mm. Rockwool pipe insulation suits high-temperature and fire-rated applications.
Shop 28mm pipe insulation
Browse our full 28mm pipe insulation range or explore all sizes via pipe insulation by pipe size. Call 0161 775 1190 for project-specific advice.
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