90mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 600mm (pack of 6)

90mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 600mm (pack of 6)
- Product Code: A1-5130
- Delivery Time: 2 - 5 working days
- Brand: Knauf (Tech. support: 08000304135)
- Model and Size: 1200mm x 600mm - 4.32m2
Our ratings on 17-09-2025:

4.8 out of 5
Guide Price: £31.03
(£37.24 inc VAT)
Guide Price: £33.50
(£40.20 inc VAT)
90mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 600mm (pack of 6)
Length: 1200mm
Width: 600mm
Thickness: 90mm
Pack Quantity: 6
Board Coverage: 0.72m2
Pack Coverage: 4.32m2
Thermal Conductivity: 0.035W/mK
R-Value: 2.55m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)
90mm Knauf Omnifit 35 Glass Wool Slabs are rigid multipurpose, flexible, non-combustible glass mineral wool slab that is designed for friction fitting installation at 600mm spacings. It has excellent thermal, acoustic, and fire resistance. The sound absorption qualities of Knauf Omnifit slabs are remarkable. Knauf Omnifit slab is used to insulate timber and metal stud partitions, timber frame walls, between rafters, and suspended timber floors, generally a wide range of structures. 400mm width size allows friction fitting between common stud centres without any cutting and waste on-site. This insulation is not dangerous to the environment and has no potential for ozone depletion or global warming.
APPLICATION- Timber frame and metal stud partitions,
- Between rafters,
- In suspended timber floors
- Lightweight and easy to handle and install,
- Friction fits 600mm spacings,
- Eliminates air gaps,
- Non-combustible,
- A1 fire rated,
- Does not sustain vermin and will not encourage the growth of fungi, mould or bacteria.
- Manufactured using Knauf Insulation’s unique bio-based binder, ECOSE Technology,
- Red free - no ingredients in the product that are on the red list - including formaldehyde or phenol.
Manufactured in accordance with
- BS EN 13162, ISO 50001 Energy Management Systems,
- ISO 14001 Environmental Management Systems,
- ISO 9001 Quality Management systems,
- Certified by TÜV Nord.
- ‘Red List Free’ label.
Brand: Knauf
Model and Size: 1200x455 -6.55m2
Delivery Time: 3 - 5 days
50mm Knauf DriTherm 37 Standard Cavity Slab is a high-performance insulation product specifically designed for use in external full-fill masonry cavity walls. These water-repellent glass mineral wool slabs provide exceptional thermal performance, making them an ideal choice for enhancing energy effi..
Guide Price: £30.01
£36.01 inc VAT
Brand: Knauf
Model and Size: 30kg
Delivery Time: 2 - 3 weeks
Knauf Rotband is a pre-prepared dry gypsum plaster with special bonding additives designed to create smooth surfaces of any structure on walls and ceilings inside the buildings; used manually as a single layer gypsum plaster on all kinds of substrates. An easy to handle mineral product.CHARACTERISTI..
Guide Price: £23.95
£28.74 inc VAT
Brand: Knauf
Model and Size: 4.5m x 1.4m - 76.32m2
Delivery Time: 2 - 3 weeks
140mm Knauf Earthwool FrameTherm Roll is a lightweight, flexible, resilient and non-combustible glass mineral wool quilt, used for friction fitting between timber studs and rafters. The rolls are 1140mm wide and ready cut to produce 3 rolls in 380mm widths. It is specifically designed for friction f..
Guide Price: £1,660.00
£1,992.00 inc VAT
Brand: Knauf
Model and Size: 1200mm x 1000mm - 28.8m2
Delivery Time: 8 - 12 weeks
105mm Knauf Rocksilk Krimpact Flat Roof Slab is a high-performance insulation solution designed specifically for flat roofing applications. Manufactured from non-combustible stone wool, this product offers excellent thermal insulation properties, helping to maintain comfortable indoor temperatu..
Brand: Knauf
Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1 - 2 days
15mm Knauf Fire Panel Plasterboard is a high-performance gypsum-based board designed to provide enhanced fire resistance. It is a popular choice for use in walls and ceilings where fire safety is a key consideration. Knauf Fire Panel features a core composed of a specially formulated gypsum compound..
£23.51
£28.21 inc VAT
Brand: Knauf
Model and Size: 600mm x 1200mm - 0.72m2 28mm
Delivery Time: TBC
Knauf Brio 28 (18mm Gypsum Fibreboard and 10mm Wood Fibre) is a high performance gypsum fibre dry screed low density floor board made from 60% recycled material with improved acoustic performance and underfloor heating efficiency, specially developed for use in new or refurbished residential an..