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159mm Bore 35mm Thick Rockwool RockLap Pipe Insulation

159mm Bore 35mm Thick Rockwool RockLap Pipe Insulation
  • Product Code: A1-5891
  • Delivery Time: 1 - 2 days
  • Brand: Rockwool
  • (Tech. support: 08712221780)
  • Model: RockLap 159/35mm
Our ratings on 22-05-2026:
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159mm Bore 35mm Thick Rockwool RockLap Pipe Insulation

Length: 1000mm
Thickness: 35mm
Density: 120kg/m3
Weight/m2: 3kg
Thermal Conductivity: 0.033W/mK
R-Value: 1.06m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)
Pipe diameter: 159mm
Service Temperature: up to 250°C

159mm RockLap H&V Pipe Sections are strong lengths of pre-formed insulation with a one piece, factory applied foil facing with integral self-adhesive lap. The integral lap ensures fast and easy installation: just snap the sections onto the pipe, peel off the backing tape and smooth down for a completely sealed joint. Supplied as 1 metre lengths in a number of insulation thicknesses.The Sections are designed for thermal and acoustic insulation of heating, ventilation and air-conditioning pipework operating in the temperature range 0C to 250C.

CHARACTERISTICS

  • Resilient, high performance barrier provided by one-piece, reinforced foil with integral lap,
  • Fast and simple installation reduces costs and time on site,
  • Installation may be carried out in winter conditions,
  • Tape requirement reduced,
  • Are water repellent,
  • Limited combustible product with surface finish also complying to Class 0,
  • A naturally inert and rot-proof material that does not encourage or support the growth of fungi, moulds or bacteria, or offer sustenance to insects or vermin.
  • Once installed RockLap H&V Pipe Sections shouldnt require any maintenance.

CERTIFICATION

  • Rockwool H&V Pipe Sections are CE marked in accordance with BS EN 14303.
  • RockLap H&V Pipe Sections conform to BS 39584, Bonded preformed stone wool pipe sections and can be used to satisfy BS 5422: Method for specifying thermal insulating materials.
  • The product has been authorised for use in LUL surface and sub-surface premises
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