Menu
Menu
Your Cart

42mm Bore 40mm Thick Rockwool RockLap Pipe Insulation

42mm Bore 40mm Thick Rockwool RockLap Pipe Insulation
  • Product Code: A1-5855
  • Delivery Time: 1 - 2 days
  • Brand: Rockwool
  • (Tech. support: 08712221780)
  • Model: RockLap 42/40mm
Our ratings on 17-04-2026:
Google My Business Reviews
4.8 out of 5
Show other diameters

To GET BEST PRICE for this product only fill below:

Need a quote for more products? Add to Quote and continue browsing to find other materials needed.

42mm Bore 40mm Thick Rockwool RockLap Pipe Insulation

Length: 1000mm
Thickness: 40mm
Density: 120kg/m3
Weight/m2: 3kg
Thermal Conductivity: 0.033W/mK
R-Value: 1.2m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)
Pipe diameter: 42mm
Service Temperature: up to 250°C

42mm 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
Brand: Rockwool Model: 1200mm x 600mm - 17.28m2
Delivery Time: 2 - 3 weeks
225mm Rockwool Rainscreen Duo Slab is a dual-density rigid insulation for use in ventilated cladding systems and sealed systems such as curtain walling. The outer layer of each slab has a higher density than the remainder of the product and added with a water-repellent agent during manufacture. The ..
Brand: Rockwool Model: 1000mm x 600mm - 1.80m2
Delivery Time: 5 - 7 days
100mm Rockwool Frontrock Super is a high‑performance, mineral‑wool board designed specifically for external wall insulation (EWI) systems. It combines two distinct density layers in a single panel to deliver both excellent thermal performance and robust structural support. The core of the slab is a ..
Brand: Rockwool Model: 1000mm x 600mm - 4.80m2
Delivery Time: 5 - 7 days
50mm Rockwool DuctSlab is a high-performance insulation product specifically designed for HVAC (Heating, Ventilation, and Air Conditioning) ductwork applications. Manufactured from stone wool, it offers excellent thermal insulation properties, helping to maintain temperature control within duct syst..
27mm Bore 25mm Thick Rockwool RockLap Pipe Insulation 27mm Bore 25mm Thick Rockwool RockLap Pipe Insulation
Guide Price
Brand: Rockwool Model: RockLap 27/25mm
Delivery Time: 1 - 2 days
27mm 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 complet..
Guide Price: £9.04
£10.85 inc VAT
Brand: Rockwool Model: 1000mm x 600mm - 0.60m2
Delivery Time: 5 - 7 days
240mm Rockwool Frontrock Super is a high‑performance, mineral‑wool board designed specifically for external wall insulation (EWI) systems. It combines two distinct density layers in a single panel to deliver both excellent thermal performance and robust structural support. The core of the slab is a ..
Brand: Rockwool Model: RockLap 34/20mm
Delivery Time: 1 - 2 days
34mm 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 complet..

Rate this product

Please login or register to review
This product is listed in the following categories and systems (click to show).