Menu
Menu
Your Cart

140mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 400mm (pack of 4)

140mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 400mm (pack of 4)
140mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 400mm (pack of 4)
Guide Price: £31.03 (£37.24 inc VAT)
Price per m2: £16.16/m2 (£19.39 inc VAT)
  • Product Code: A1-5126
  • Delivery Time: 2 - 5 working days
  • Brand: Knauf
  • (Tech. support: 08000304135)
  • Model and Size: 1200mm x 400mm - 1.92m2
Our ratings on 07-01-2025:
TrustPilot Review 4.7
4.7 out of 5 - Excellent
Google My Business Reviews
4.8 out of 5
Show other thicknesses

140mm Knauf Omnifit 35 - Multipurpose Glass Wool Insulation Slab - 1200mm x 400mm (pack of 4)

Length: 1200mm
Width: 400mm
Thickness: 140mm
Pack Quantity: 4
Board Coverage: 0.48m2
Pack Coverage: 1.92m2
Thermal Conductivity: 0.035W/mK
R-Value: 4m2K/W
Fire Rating (Reaction to Fire): A1(Non-combustible)

140mm 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: 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
Add to Cart
Brand: Knauf Model and Size: 1200x455mm - 2.18m2
Delivery Time: 3 - 7 days
150mm Knauf DriTherm 32 Ultimate 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 eff..
£45.69
£54.83 inc VAT
Add to Cart
Brand: Knauf Model and Size: 1200mm x 1800mm - 2.16m2
Delivery Time: 1 - 2 days
30mm Knauf Fireboard is a fleece-lined high performance square-edge plasterboard that provides up to two hours of fire protection in structural steel encasement. It is also ideal for use as fillets in deflection head details (an elastic polyurethane foam with intumescent firestop additives acts as a..
Get Best Price
75mm DriTherm 32 Ultimate Cavity Slab Knauf (pack of 6) 75mm DriTherm 32 Ultimate Cavity Slab Knauf (pack of 6)
Guide Price
Brand: Knauf Model and Size: 1200x455mm - 3.28m2
Delivery Time: 3 - 5 days
75mm Knauf DriTherm 32 Ultimate 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: £33.88
£40.66 inc VAT
Get Best Price
50mm Rocksilk RS60 Universal Insulation Slab Knauf (pack of 9) 50mm Rocksilk RS60 Universal Insulation Slab Knauf (pack of 9)
Guide Price
Brand: Knauf Model and Size: 1200x600 - 6.48m2
Delivery Time: 1 - 2 days
50mm Knauf Rocksilk RS60 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
Get Best Price
Brand: Knauf Model and Size: 1200x2700mm - 3.24m2
Delivery Time: 1 - 2 days
12.5mm Knauf Vidiwall is a dense fibreboard manufactured from gypsum and cellulose fibres from recycled paper that is suitable for areas of drywall construction where high impact resistance is required. Knauf Vidiwall is capable of providing increased durability, rigidity and mechanical strength com..
Get Best Price
This product is listed in the following categories and systems (click to show).