Rockwool Pipe Section Mat (PSM)

Pipe Section Mat (PSM) is designed for thermal an acoustic insulation of large diameter pipes, ducts, chimneys and small vessels.

Download Specification


Pipe Section Mat (PSM) is designed for HVAC applications for pipework above 406mm diameter for service temperatures of up to 700°C.

Pipe Section Mat (PSM) consists of a rigid foil faced slab with factory machined grooves on the inside face to specifically suit large pipe diameters. The distance between the grooves is calculated to ensure that Pipe Section Mat (PSM) closely fits the pipe with all grooves tightly butted together


Pipe Section Mat (PSM) is designed for HVAC applications for pipework above 406mm diameter. Below this size we recommend you use RockLap H&V Pipe Section.

The product is recommended for service temperatures of up to 700°C



ROCKWOOL stone wool insulation products have been proven in service for over 60 years, in a wide range of climates and degrees of exposure.

ROCKWOOL insulation will generally perform effectively for the lifetime of the building. Precise lifetime performance will of course depend on the specific installation and conditions to which it is exposed.


ROCKWOOL stone wool fibres are inert and rot-proof that does not encourage the growth of fungi, mould or bacteria.

ROCKWOOL insulation does not offer sustenance to vermin and we are not aware of rodents or insects having nested within ROCKWOOL products.

Standards and approvals

Pipe Section Mat (PSM) conforms to BS EN 14303:2009:  Thermal insulation products for building equipment and industrial installations.

Pipe Section Mat (PSM) also satisfies the requirements as set by BS 5422: Method for specifying thermal insulating materials for pipes, tanks, vessels, ductwork and equipment operating within the temperature range -40°C to +700°C.

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