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Flexi®

Non-combustible multi-use insulation slab

ROCKWOOL Flexi is suitable for use in a wide range of applications, including acoustic and thermal insulation for partitions, separating walls and floors, as well as thermal insulation for suspended floors, walls, and roofs.

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Product Properties

Compliance BS EN 13162, ISO 14001
Reaction to fire Fire Properties Euroclass A1
Thermal conductivity 0.035 - 0.038 W/mK

Thermal - 50mm - 120mm, 0.038 W/mK

Acoustic - 140mm - 180mm, 0.035 W/mK

Acoustical Performance Achieves Part E (resistance to sound) when installed in accordance to ROCKWOOL guidelines
Water repellent Water Repellent
Water vapour resistance Negligible
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Thermal - 50mm - 120mm, 0.038 W/mK

Acoustic - 140mm - 180mm, 0.035 W/mK

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Product range and ancillaries

Item number External item number Country Thickness (mm) Width (mm) Length (mm) Pieces Per Pack Packs Per Pallet m² Per Pack m² Per Pallet
274366 274366 UK 50 400 1200 12 24 5.76 138.24
274404 274404 UK 50 600 1200 12 16 8.64 138.24
123320 123320 UK 60 600 1200 12 12 8.64 103.68
123322 123322 UK 70 600 1200 8 16 5.76 92.16
123324 123324 UK 90 600 1200 6 20 4.32 86.4
123325 123325 UK 100 400 1200 6 30 2.88 86.4
123326 123326 UK 100 600 1200 6 20 4.32 86.4
123328 123328 UK 120 600 1200 6 16 4.32 69.12
123329 123329 UK 140 400 1200 4 24 1.92 46.08
123330 123330 UK 140 600 1200 4 16 2.88 46.08
163833 163833 UK 180 600 1200 3 12 2.16 25.92

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documents

 

 

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ROCKWOOL Republic of Ireland Price List March 2024
ROCKWOOL Republic of Ireland Price List March 2024

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ROCKWOOL UK Interactive Price List March 2024
ROCKWOOL UK Interactive Price List March 2024

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ROCKWOOL FLEXI® - NBS Specification
ROCKWOOL FLEXI® - NBS Specification

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Flexi Slab Installation Guide
Flexi Slab Installation Guide

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Flexi Datasheet
Flexi Datasheet

Flexi Datasheet

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ROCKWOOL Insulation SUIS
ROCKWOOL Insulation SUIS

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Need technical support?

For all technical product and application queries, please contact our technical solutions team at technical.solutions@rockwool.co.uk or call 01656 868 490. You can also contact our technical team by completing our online form.

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