Knauf Insulation OmniFit Roll 40 100mm (8.16m2 pack)
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Knauf Insulation OmniFit Roll 40 100mm (8.16m2 pack)
(Approx. 3-5 working days)


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The Knauf Insulation OmniFit Roll 40 is a versatile glass mineral wool roll designed for use in both timber and steel frame applications. It provides a thermal conductivity of 0.04W/mK and features acoustic properties that meet the requirements of Part E of the Building Regulations. The insulation uses a bio-based binder, ECOSE Technology, and has a Euroclass A1 reaction to fire classification, meaning it is a non-combustible material.
This product is partially perforated to allow for specific sizing, giving the option to split the roll into either two 600mm widths or three 400mm widths to suit different centre measurements. Applying the roll involves friction fitting it between studwork, which creates a tight seal. This prevents gaps and minimises air movement around the edges, reducing unwanted heat loss.
Suitable for internal walls, ground floors, internal floors, and pitched roofs at ceiling level, this multi-purpose roll reduces the need to source different materials for varied tasks.
- Made from glass mineral wool for combined thermal and acoustic insulation.
- Partially perforated to create 600mm or 400mm widths for standard studwork.
- Euroclass A1 fire rating ensures the material is completely non-combustible.
- Friction fitting creates a tight seal to prevent air gaps and heat loss.
- Compression packed to maximise the amount of material loaded on a pallet.
| Brand | Knauf Insulation |
|---|---|
| Acoustic | Yes |
| Applicable Standards | BRE Green Guide Rating A+, Declare Red List Free |
| Combi Cut Width | 2x600/3x400 |
| Coverage | 8.16 m² |
| Fire Rating | Euroclass A1 |
| Fire Resistant | Yes |
| Length | 6800 mm |
| Moisture Resistant | No |
| Weight | 9.792 kg |
| R-Value | 2.5 m2K/W |
| Sold Per | Roll |
| Suitable For | Internal Walls, Internal Floors, Multi-Application, Ground Floors, Pitched roofs at ceiling level |
| Thermal Conductivity | 0.04 W/mK |
| Thickness | 100 mm |
| Usage | Internal Use |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
The Knauf Insulation OmniFit Roll 40 is a versatile glass mineral wool roll designed for use in both timber and steel frame applications. It provides a thermal conductivity of 0.04W/mK and features acoustic properties that meet the requirements of Part E of the Building Regulations. The insulation uses a bio-based binder, ECOSE Technology, and has a Euroclass A1 reaction to fire classification, meaning it is a non-combustible material.
This product is partially perforated to allow for specific sizing, giving the option to split the roll into either two 600mm widths or three 400mm widths to suit different centre measurements. Applying the roll involves friction fitting it between studwork, which creates a tight seal. This prevents gaps and minimises air movement around the edges, reducing unwanted heat loss.
Suitable for internal walls, ground floors, internal floors, and pitched roofs at ceiling level, this multi-purpose roll reduces the need to source different materials for varied tasks.
- Made from glass mineral wool for combined thermal and acoustic insulation.
- Partially perforated to create 600mm or 400mm widths for standard studwork.
- Euroclass A1 fire rating ensures the material is completely non-combustible.
- Friction fitting creates a tight seal to prevent air gaps and heat loss.
- Compression packed to maximise the amount of material loaded on a pallet.
| Brand | Knauf Insulation |
|---|---|
| Acoustic | Yes |
| Applicable Standards | BRE Green Guide Rating A+, Declare Red List Free |
| Combi Cut Width | 2x600/3x400 |
| Coverage | 8.16 m² |
| Fire Rating | Euroclass A1 |
| Fire Resistant | Yes |
| Length | 6800 mm |
| Moisture Resistant | No |
| Weight | 9.792 kg |
| R-Value | 2.5 m2K/W |
| Sold Per | Roll |
| Suitable For | Internal Walls, Internal Floors, Multi-Application, Ground Floors, Pitched roofs at ceiling level |
| Thermal Conductivity | 0.04 W/mK |
| Thickness | 100 mm |
| Usage | Internal Use |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.






