Dual Insulation

Dual Insulation will be applied to on Vessels/equipment and pipes at various temperature range.

This is a Special category in insulation when heat-loss/gain conservation insulation will be applied.

Cleaning Application Method

  • Cleaning of the surface to be insulated.
  • Application of 42swg aluminium foil over the SS piping and Equipment.
  • Application of LRB mattresses having density of Specified with 3/4″ x 24 Swg G.I. Wire mesh with specified thickness.
  • Stitching the joints with 22/24/26 Swg G.I Wire
  • Application of 3/5/7ml fibre glass cloth with salicoat as a vapor barrier.
  • Application of Puff Pipe section/Slab having density/Thickness with specified.
  • Using Cold bitumen as an adhesive.
  • Stitching the joints with 22/24/26 Swg G.I Wire.
  • Sealing the joints with salicoat.
  • Application of 70-micron black plastic/5ml Fiber glass cloth wrapped as a vapour barrier.
  • Application of Alu/SS/GI Cladding with 50mm overlap at all joints with proper grooving.
  • Application Of 13/8 and 19/8 G.I/SS Self Tapping Screws at 150 to 200mm distance.

The materials used/dual insulation

  • Light resin bonded wool: Rockwool / Stone Wool
  • Calcium silicate
  • Fiberglass wool
  • Perlite
  • PUF/PIR
  • Nitrile Rubber
  • XIPF materials
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