Knauf Insulation Rocksilk® Flat Roof Slab Extra
by Knauf Insulation
DESCRIPTION
Rocksilk® Flat Roof Slab Extra is a rock mineral wool slab with the highest mechanical performance in the range, designed for use in mechanically-fixed flat roof build-ups onto all types of roof deck. It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using our Krimpact® Technology.
Features and benefits:
- Compatible with a wide range of mechanically-fixed single-ply membranes
- Manufactured from mineral wool which provides the best levels of sound absorption and reduction compared to other mainstream insulants to reduce the drumming effects of rainfall
- Manufactured using Knauf Insulation’s Krimpact® Technology giving improved compressive strength and durability.
- Manufactured with a water-repellent additive to resist moisture ingress
Specification Details for Knauf Insulation Rocksilk® Flat Roof Slab Extra (Acoustic Batts)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Knauf Insulation is consulted before specifying.
Size & Weight
Commercial
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| Typical Use (?) | Flat Roofs | |
Environmental
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| Has Environmental Data (?) | ||
Certifications & Ratings
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| CE Marking (?) | ||
| Certifications (?) | EN 15804 , EUCEB , Euroclass A1 Reaction to Fire Classification , Made in Britain | |
Technical
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| R-value (?) | 2.35 m2K/W | 12.5% |
| Thermal Conductivity (?) | 0.039 W/mK | 100% |
Other
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| Uniclass (?) | Pr_25_57_06 Batt and quilt products | |
This product has 1 EPD files in the document section below.
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Case Study
Bottle Works, Guildford
by Knauf Insulati... 03-09-2025
The Bottle Works in Guildford has a long history at the cent...
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