Rockwool Flexi-Slab - All Sizes Loft Insulation
Rockwool Flexi-Slab - All Sizes Loft Insulation
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£688.73 £826.48
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Rockwool Flexi-Slab - All Sizes


Est Delivery between and .

Order now and get free delivery on all Rockwool orders over £300 ex vat.

Estimated Lead Time On 50 x 600mm, 100 x 600mm and 140mm x 600mm = 5-7 Working Days

Estimated Lead Time On All Other Sizes = 8 Weeks

The following sizes are sold by the pallet 50 x 400mm, 60mm, 70mm, 90mm, 100 x 400mm and 140 x 400mm

The following sizes are sold in packs 50mm x 600mm, 100mm x 600mm and 140mm x 600mm 


Thickness Width Slabs Per Pack Pack Coverage Number Of Packs Per Pallet
50mm 400mm 12 5.76m2 24
50mm 600mm 12 8.64m2 16
60mm 600mm 12 8.64m2 12
70mm 600mm 8 5.76m2 16
90mm 600mm 6 4.32m2 20
100mm 400mm 6 2.88m2 30
100mm 600mm 6 4.32m2 20
140mm 400mm 4 1.92m2 24
140mm 600mm 4 2.88m2 16

Rockwool flexi

The Rockwool Flexi-slab is a distinctive insulation product along with a patented flexible corner on single side. This unique corner is created through patented technology to assure an ideal fit is maintained between the main product and the framework supporting it. This further allows the integrity of the insulation.

This is especially manufactured for a horde of applications where ideal fitting insulation is required in roofs, walls, floors and partitions. The product can be firmly fitted between the metal frames and the timber without cutting or any sort of waste.

The Rockwool Flexi-slab is a high value slab ideal for multipurpose applications. It features a flexible edge that allows it to put between joists knowing all gaps are well-sealed. This is available in varied sizes.

Benefits of rockwool flexi slabs

  • Exemplary acoustic, fire and thermal properties
  • Easy to handle and installation with no gaps
  • Patented Flexible corner provides correct fit to the widths
  • Will not slouch in case studs shrink
  • Multi-application fits all timber frame and typical metal spacing
  • No waste

All in all, this is an ideal insulation product with a variety of features and applications.

The name of the brand itself is a huge trademark of the perfect deliverance of the commodities we bring to you. These are eco-friendly, suitable and intelligently designed to provide you with the best insulants available in the market.

Length 1200mm
Thermal Conductivity 0.038 W/mK
Material Type Rockfibre

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.

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