Belzona 3211 (Lagseal)

Seamless, Flexible Protection for Thermal Insulation

A single-component, seamless and flexible coating for encapsulation of all types of thermal insulation and cladding systems

Belzona 3211 (Lagseal) is a single-component, waterbased, microporous coating for the sealing and long term protection of all types of thermal insulation.

It can be applied by spray or brush without the need for specialist tools. It is a two layer application reinforced with glass fibre sheeting.

This versatile system is suitable for applications onto new and existing lagging on steam, condensate or chilled pipelines. It is also resistant to water, weather and fire.

Key benefits:

  • Fire resistant
  • Easily applied by brush with no mixing required
  • Reduced health and safety risks as it is solvent-free
  • Application and cure at cold temperature – no hot work involved
  • Will not support growth of bacteria or algae providing a hygienic finish
  • Excellent oil resistance
  • Withstands movement due to temperature fluctuations and vibrations within the system
  • Resistant to water, steam impingement, infra-red and ultra-violet radiation
  • Excellent adhesion to a wide range of materials including calcium silicate, glass fibre, mineral wool, foam, steel and stainless steel

Applications for Belzona 3211 (Lagseal) include:

  • Protection of insulation on pipes, air-conditioning ducting, valve boxes, flange covers, boilers, pressure vessels, bulk storage tanks and heat exchangers
  • Long-term lagging protection on new and existing steam, condensate or chilled pipelines
  • Seamless encapsulation of elbows, T pieces flanges and complex contours
  • Tank base sealing

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Oil & Gas

Belzona’s wide range of epoxy-based metal repair composites, high-temperature coatings and linings have been used in the Oil and Gas industry since the late 1970s.

Our materials are specifically designed to provide outstanding erosion and corrosion protection and chemical resistance for equipment operating offshore and onshore at various temperatures and pressures. Belzona offers cost-effective solutions, which reduce downtime and labour costs while eliminating the need for equipment replacement.