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 31-07-2025:

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: 625x2400mm - 1.50m2
Delivery Time: 1 - 2 days
12.5mm Knauf Silentboard is a unique patented plasterboard that is ideal to use in drywall partitions which outperform the sound reduction of traditional plasterboard across a wider range of sound frequencies. Knauf Silentboard is used in in cinemas, entertainment complexes and other buildings where..
Brand: Knauf
Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1 - 5 working days
75mm Knauf PIR Thermal Laminate Insulation Board is a 9.5mm tapered edge wallboard bonded to 65.5mm PIR insulation, offering great thermal and a level of acoustic insulation, perfect solution for insulation and dry-lining in walls and warm roof constructions, in both remodelling and new build p..
Brand: Knauf
Model and Size: 10.3m x 1.2m - 12.36m2
Delivery Time: 1 - 2 days
100mm Knauf Earthwool Acoustic Insulation Roll is a high-performance, sustainable insulation solution designed to provide excellent acoustic and thermal performance. Manufactured from renewable and recycled materials, this insulation roll is split into two 600mm wide sections, making it easy to inst..
£57.85
£69.42 inc VAT
Brand: Knauf
Model and Size: 1200x600 - 14.4m2
Delivery Time: 2 - 3 working days
25mm Knauf Rocksilk RS45 Universal Insulation Slab is a high-performance mineral wool insulation product suitable for a variety of applications. Manufactured from rock mineral wool using Knauf's unique bio-based ECOSE Technology binder, it provides excellent thermal and acoustic insulation propertie..
Guide Price: £41.63
£49.96 inc VAT
Brand: Knauf
Model and Size: 1200x455 - 4.37m2
Delivery Time: 3 - 5 days
75mm 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: £20.57
£24.68 inc VAT
Brand: Knauf
Model and Size: 150mm - 9.18m2
Delivery Time: 1 - 2 days
150mm Knauf Loft Roll 44 is a high-performance, flexible low density glass mineral wool insulation product designed for use in loft and attic spaces. It is made from glass mineral wool, providing excellent thermal and acoustic insulation properties. The 'combi-cut' feature means the rolls are 1140mm..
£34.26
£41.11 inc VAT