100mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 400mm (pack of 6)

100mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 400mm (pack of 6)
- Product Code: A1-5125
- Delivery Time: 2 - 5 working days
- Brand: Knauf (Tech. support: 08000304135)
- Model and Size: 1200mm x 400mm - 2.88m2
Our ratings on 09-10-2025:

4.8 out of 5
Guide Price: £31.03
(£37.24 inc VAT)
Guide Price: £33.50
(£40.20 inc VAT)
100mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 400mm (pack of 6)
Length: 1200mm
Width: 400mm
Thickness: 100mm
Pack Quantity: 6
Board Coverage: 0.48m2
Pack Coverage: 2.88m2
Thermal Conductivity: 0.035W/mK
R-Value: 2.85m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)
100mm Knauf Omnifit 35 Glass Wool Slabs are rigid multipurpose, flexible, non-combustible glass mineral wool slab that is designed for friction fitting installation at 400mm 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
CHARACTERISTICS
- Lightweight and easy to handle and install,
- Friction fits 400mm 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.
CERTIFICATION
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: White - 20kg
Delivery Time: In Stock 1-2 working days
Knauf Aquapanel Joint Filler is a cement-bound filling material for full-surface skim coating of joints by hand, for use with Aquapanel Cement Board indoors (ceiling) and outdoors (wall and ceiling). The joints are reinforced with Aquapanel Joint Filler and with Aquapanel Tape.INSTALLATIONAquap..
£84.30
£101.16 inc VAT
Brand: Knauf
Model and Size: 4.2mm x 25mm
Delivery Time: 1 - 2 days
4.2mm x 25mm Aquapanel Maxi SN25 needlepoint screws have been specially developed for fixing Aquapanel Cement Board on to timber and metal frameworks of differing thicknesses. Aquapanel Maxi Screws SN25 can be used for both wall and ceiling applications in interior and exterior applications. Aquapan..
£76.07
£91.28 inc VAT
Brand: Knauf
Model and Size: 1200x455mm - 5.46m2
Delivery Time: 2 - 3 working days
75mm Knauf DriTherm 34 Super 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 efficie..
Guide Price: £66.82
£80.18 inc VAT
Brand: Knauf
Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1 - 2 days
12.5mm Knauf Moisture Panel is a high-performance gypsum-based board designed to provide enhanced protection against moisture and humidity. It is a popular choice for use in areas prone to damp or wet conditions, such as bathrooms, kitchens, and laundry rooms. It features a core composed of a specia..
£26.49
£31.79 inc VAT
Brand: Knauf
Model and Size: 4.5m x 1.4m - 5.13m2
Delivery Time: 3 - 5 days
90mm 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 fi..
Brand: Knauf
Model and Size: Grey - 20kg
Delivery Time: 1 - 2 days
Knauf Aquapanel Q4 Finish is a high quality filling material for full-surface skim coating of joints by hand that gives highest quality Q4 standard. The final touch of plasterboard finish - level 4 - plaster skimming is a difficult art to master. Plaster skimming is a method of providing a smooth, s..
£73.53
£88.24 inc VAT