100mm Knauf Rocksilk Flexible Insulation Slab

Discover the 100mm Rocksilk Flexible Slab, a premium Rock Mineral Wool slab engineered to deliver comprehensive thermal and acoustic performance with superior fire protection for loft conversion applications. Extensively tested, this 100mm Knauf Flexible Insulation Slab achieves 60 minutes of fire resistance when installed in loft conversion floor settings.

This product delivers non-combustible performance and holds the highest Euroclass A1 reaction to fire rating, meeting the most stringent fire safety requirements. The manufacturing incorporates Knauf Insulation's advanced ECOSE® Technology binder, formulated from renewable materials for environmental responsibility.

Product Specification

Thickness: 100mm

Length: 1200mm

Width: 600mm

Coverage: 4.32m2

Brand: Knauf Flexi

R-Value: 2.70m2K/W

Thermal Conductivity: 0.035 and 0.037 W/mK

Model: 100mm Flexible

Dimensions: 1,200mm x 600mm x 100mm

Density: 33kg/m3

Material: Rock Mineral Wool

Profile: Flexible on all four sides

Vapour Resistivity: 5.00MNs/g.m.

Building Regulations: Class '0'

Fire performance: Euroclass A1 (non-combustible)

Finish: Unfaced

Applications: Partitions, walls, floors, ceilings , loft insulation

ECOSE Technology: Yes

Features: Non-combustible ǀ Versatile

Application

This 100mm Knauf Flexi insulation slab performs effectively across multiple construction scenarios, including ground floors, internal floors, separating floors, pitched roofs at rafter level, internal walls and partitions, light steel frame walls, and timber frame walls. Its multi-purpose design ensures dependable thermal and acoustic performance across diverse construction applications.

Benefits

A versatile thermal solution suited to numerous on-site applications, this 100mm Knauf multi-purpose slab features flexibility across all four sides for straightforward installation. During loft insulation upgrades, existing ceiling structures can remain in place whilst maintaining full building regulation compliance.

Regarding fire resistance, comprehensive EN 1365 testing has been performed at both 400mm and 600mm depths. Results confirm one hour of fire resistance performance in separating floor applications. These outstanding fire safety attributes provide confidence that your construction meets the highest safety benchmarks.

Durability

The 100mm Knauf Rocksilk Flexible Slab remains odourless, rot-resistant, non-hygroscopic, resists vermin infestation, and prevents fungal, mould and bacterial growth. The product's lifespan matches that of the building structure itself.

Info

Browse our complete Knauf range and refine by thickness or coverage using the left-hand filters. For technical advice on product suitability or bulk pricing requests, contact us via phone on +4402038839057 , email sales@insulationbee or Live Chat - Lowest UK Insulation Prices.