Next day delivery available! Call 020 3004 5451

Speak to an expert! Call 020 3004 5451

Knauf  |  SKU: 48491773329755

Knauf Rocksilk Flat Roof Slab - 1200mm x 1000mm - All Thicknesses


VAT and Shipping calculated at checkout.

Delivery & Shipping

Standard: 7-10 Working Day Delivery

Express: Same/Next Day Delivery - subject to availability, please call: 020 3004 5451

For further information, please see our Delivery & Shipping Policy here.

Contact

Have any questions or need assistance with this product?

Phone: 020 3004 5451

Email: sales@nationalinsulationsupplies.com

Contact us.

Returns

This product is a non-returnable product, please see our Return and Refund Policy for further details.

Product Datasheets

Product Datasheet:

Knauf Flat Roof Slab Datasheet

Declaration of Performance:

Knauf Flat Roof Slab DoP

U-Value Calculator

Things you should know about this product!

  • This product is sold by the pack
  • This product is available in the following thicknesses: 80mm, 100mm, 105mm, 120mm, 145mm, 160mm and 180mm

Description

Knauf Rocksilk® Flat Roof Slab is a rock mineral wool insulation slab certified by the BBA (British Board of Agrément), specifically engineered for mechanically-fixed flat roof constructions on various roof decks. It boasts a non-combustible nature and achieves the highest Euroclass A1 reaction to fire classification, ensuring superior fire safety standards. Manufactured with Krimpact® Technology, it offers enhanced resilience and ease of installation, making it a reliable choice for high-performance flat roof insulation solutions.

Specifications

  • Length
    1200mm
  • Width
    1000mm
  • Material type
    Rock mineral wool
  • Thermal conductivity
    0.039 W/mK
  • Fire rating
    Euroclass A1

Key Features

  • Holds BBA Agrément certificate (certificate 08/4526) for use in various construction configurations.
  • Utilises Knauf Insulation's Krimpact® Technology for enhanced compressive strength and durability.
  • Compatible with a diverse range of mechanically-fixed single-ply membranes.
  • Made from mineral wool, it offers superior sound absorption to mitigate the drumming effects of rainfall compared to other common insulants.
  • Includes a water-repellent additive to prevent moisture ingress.

Where to use

Flat Roof: Knauf Flat Roof Slab is a versatile insulation product designed for flat roof applications, offering robust thermal performance, fire safety, and ease of installation. This glass mineral wool slab is crafted to provide efficient thermal insulation in mechanically-fixed flat roof systems across various roof decks. It is non-combustible and achieves excellent Euroclass A1 reaction to fire classification, ensuring the highest standards of fire resistance. Manufactured with advanced technology, including Knauf's expertise in insulation solutions, it guarantees durability and effective insulation performance. Knauf Flat Roof Slab is a trusted choice for architects and builders seeking reliable, high-performance insulation for flat roof constructions.

Frequently asked questions

  • Can Knauf Flat Roof Slabs support foot traffic? - Yes, Knauf Flat Roof Slabs are designed to withstand occasional foot traffic during maintenance and inspection activities. However, care should be taken to avoid concentrated loads or sharp objects that could damage the insulation.
  • Are Knauf Flat Roof Slabs environmentally friendly? - Knauf Flat Roof Slabs are manufactured with a low Global Warming Potential (GWP) blowing agent and are fully recyclable at the end of their service life. They contribute to sustainable building practices and environmental responsibility.
  • Do Knauf Flat Roof Slabs require additional protection against weather elements? - Yes, Knauf Flat Roof Slabs should be covered with a suitable waterproof membrane or protective layer to shield them from weather elements such as rain, snow, and UV exposure. This protects the insulation and enhances its longevity.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Compare with similar products

Compare below to see what sets these products apart:

A table comparing the facets of 3 products
Facet
Knauf Rocksilk Flat Roof Slab - 1200mm x 1000mm - All Thicknesses
View details
Knauf Rocksilk EWI Slab - 1200mm x 600mm - All Thicknesses
View details
Kingspan Thermaroof TR27 - 1200mm x 1200mm - All Thicknesses
View details
Price
Price
From £535.93 GBP
From £89.54 GBP
Length
Length
1200mm
1200mm
1200mm
Width
Width
1000mm
600mm
1200mm
Edge
Edge
n/a
n/a
Square
Fire rating
Fire rating
Euroclass A1
Euroclass A1
Euroclass F
Compressive strength
Compressive strength
n/a
n/a
150 kPa
Thermal conductivity
Thermal conductivity
0.039 W/mK
0.036 W/mK
0.024 W/mK - 0.027 W/mK
Material type
Material type
Rock mineral wool
Rock mineral wool
Rigid thermoset polyisocyanurate (PIR) insulation
Knauf

Knauf Rocksilk Flat Roof Slab - 1200mm x 1000mm - All Thicknesses

Length

1200mm

Width

1000mm

Edge

N/A

Fire rating

Euroclass A1

Compressive strength

N/A

Density

N/A

Thermal conductivity

0.039 W/mK

Material type

Rock mineral wool
View product