20mm Thick 27mm Bore Rockwool Rocklap HV Pipe Insulation Sections

RockLap H&V Pipe Sections

ROCKWOOL RockLap H&V Sections are pre-formed sections of stone wool insulation, manufactured pre-slit for ease of application and have a layer of factory applied foil facing and a self-adhesive lap. The self-adhesive lap allows the sections to be snapped onto the pipework, then backing tape used to completely seal the joint. 

The sections have been designed to provide acoustic and thermal insulation to heating, ventilation and air conditioning pipework, from temperatures of 0˚C to 250˚C.  In addition to insulating to save energy and minimise heat loss, insulation is required to services and equipment for other specific criteria such as Frost Protection, Condensation Control, Personnel Protection and Acoustic Control.

Applications

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.

Key Facts

Thickness (mm): 20mm

Outer diameter (mm): 27mm

Length (mm): 1000

Service Temperature: up to 250°C

Compliance: BS EN 14303, ISO 14001

Density: 120Kg/m3

Reaction to fire: Fire Properties A2-s1,d0

Thermal conductivity: 0.033 - 0.034 W/mK

RockLap H&V Sections are used for heating and ventilation pipes in a range of settings, through buildings, plants and other structures. The sections have been proven to deliver high performance thermal insulation in a range of settings with varying climates and degrees of exposure for over 60 years. 

-Fast and simple to install with the snap system, reducing cost and the amount of time on site.

-The requirement for taping is significantly reduced due to the security of the snap system, taping is simply used as a seal.

-ROCKWOOL RockLap H&V Sections have limited combustibility; the surface finish is also compliant with Class 0.

-The sections are resilient and high performing provided in a one-piece, with reinforced foil and integral lap.

Advantages

• Resilient, high performance barrier provided by onepiece, 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

• Limited combustible product with surface finish also complying to Class 0

Sizes & packaging

RockLap H&V Pipe Insulation Sections are supplied in 1 metre lengths and are available to suit a wide variety of pipe outer diameters (O.D.) from 17mm to 406mm. The sections are also available in an array of thicknesses to suit the level of insulation required (20mm to 100mm). 

Specification

For information on specifying the correct thickness of material, please refer to our brochure entitled:

• The thickness of ROCKWOOL Insulation in accordance with BS5422:2009. 

For detailed specification clauses, please refer to our:

• HVAC Specification Detail Guide.

Other product properties

Water resistance: RockLap H&V Pipe Sections are water repellent. However, when used or stored in the open, the insulation should be protected with a waterproof covering. 

When used to insulate cold pipes, the joints should be sealed with foil tape to prevent condensation.

Service temperature: RockLap H&V Pipe Sections are used to insulate pipes operating at temperatures in the range 0 to 250°C. The sections are used to insulate against frost damage. For hot pipes, the limiting temperature of the outer foil face is 80°C to maintain facing

bond strength.

pH neutrality: ROCKWOOL insulation is chemically compatible with all types of pipes, equipment and fittings. (Guidance is given in BS 5970 regarding the treatment of austenitic stainless-steel pipework and fittings). Stone wool insulation is chemically inert. A typical aqueous extract of ROCKWOOL insulation is neutral or slightly alkaline (pH 7 to 9.5).

Durability: 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, plant or structure.

If you have questions about 20mm Thick 27mm Bore Rockwool Rocklap HV Pipe Insulation Sections please call us on 02038839057! You can also text us back in our live chat.

Please find all datasheets in PDF & BROCHURES section.

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