Geyser Pack

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Product Details

The ISOVER geyser pack consists of a foil faced Glasswool insulation blanket in a kit form that includes 5 x 1m, high density Glasswool snap on pipe insulation of 15mm ID bore x 20mm wall thickness & duct tape. Additional pipe insulation available on request.

Quality Management System

Isover products are manufactured according to ISO 9001:2000.

Features & Benefits

  • Life long energy savings
  • lightweight & easy to handle
  • DIY friendly
  • Maintenance free
  • Long product life - will not readily age
  • Suitable for high humidity applications

Fire Properties

Geyser blanket:

  • Non-combustible - tested to SANS 10177 Part 5
  • Class 1 fire index rating - tested to SANS 10177 Part 3
  • Class A1, S1, do according to EN 13823
  • Tested to ASTM E-84
  • Flame Spread Index: 20
  • Smoke Development Index: 5


  • Class 1 fire index rating - tested to SANS 10177 Part 3

Thermal Properties

Contributes to life long savings by reducing heat loss through the geyser & associated piping due to the inherent thermal insulation properties.


Geyser & pipe insulation for:

  • Domestic
  • Commercial
  • Public sector buildings


  • Odourless, inert and fully compatible with all standard building materials & components.
  • Will not promote corrosion of steel, copper or aluminum.
  • Will not sustain vermin
  • Will not breed or promote fungi, mould or bacteria.
  • Non-hygroscopic

Physical Properties

TABLE to be updated...

Tools needed for Installation

A sharp blade may be needed for cutting.

Installation Instruction

  1. Wrap the entire geyser - ensure the foil is facing the outside.
  2. Secure the blanket with the binding tape supplied and cut off excess.
  3. Close the ends and tape down.
  4. Install pipe insulation around pipes to and from the geyser (mitre cut pipe sections around bends).

Handling & Storage

Store product undercover, and in dry conditions. Store flat. Handle with care, especially on the edges and corners, which can be damaged if subject to sharp or heavy impact. Do not apply excessive pressure, for example by standing or sitting on the product, as permanent damage may be caused.

Architectural Specification

Install 50mm thick, non-combustible, lightweight Glasswool "Geyser Blanket" around geyser or hot water cylinder. Seal edges with duct tape. Apply 2m of 20mm thick "Snap-on Pipe" insulation on the incoming cold water pipes and insulate all outgoing hot water pipes.

Additional Information

Technical Data

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