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200mm Knauf Earthwool Loft Roll 44's primary use is for the thermal insulation of pitched roofs at ceiling level, although it can also be used to thermally insulate floors.


Key Features


  • Use in loft pitched roofs and floors
  • A1 non-combustible
  • 0.044 W/mK thermal conductivity
  • Easy to handle and install
  • Ready-cut for use at 600mm or 400mm centres
  • Zero Ozone Depletion Potential (ODP)


Technical Specification


Material Type:Glass Mineral
Width:1140 (2x570/3x380)mm
Sales Unit:Roll
Sales Unit Coverage:6.84m2
Brand:Knauf Insulation
Manufacturer's Reference:715820
Thermal Conductivity:0.044W/mK
Fire Rating:A1 Non-Combustible


It's no secret that loft insulation is great for the environment. Using less electricity means streamlining your overall consumption and taking strain off the national power grid. 200mm Knauf Earthwool Loft Roll 44 Combi-Cut Insulation is the first step to improving your home's efficiency. Made using Knauf Insulation's innovative ECOSE Technology and fibreglass, these lightweight, flexible rolls are soft to the touch and promise easy handling, making them the perfect solution for insulating cold lofts at ceiling level. 


At 200mm thick, this 200mm roll is the thickest in the Knauf Earthwool Loft Roll 44 range. 200mm Knauf Insulation Loft Roll 44 is supplied 1140mm wide and partially perforated to produce either 2 rolls 570mm wide or 3 rolls 380mm wide. Not only is it a wonderful sound absorber, but it also offers decent thermal performance with a thermal conductivity of 0.044 W/mK. It also boasts an impressive reaction to fire classification of A1 non-combustible, offering the highest level of fire performance available.


200mm Knauf Earthwool Loft Roll 44 Combi-Cut Applications


Knauf Earthwool Loft Roll 44 200mm is supplied partially perforated, providing the flexibility to be used as shorter length rolls between joists or used uncut as a full-width roll, maximising on-site efficiency. Earthwool Loft Roll 44 200mm insulation roll is primarily used for the thermal insulation of pitched roofs at ceiling level, yet it can also be used to thermally insulate floors.

Primary Applications: 

  • Pitched roof at ceiling level 
  • Timber joists
  • Floor systems


When used at ceiling level it is usually laid in two layers, with the first layer between the joists and the second layer over, and at right angles to the joists. 

If installed correctly, these lightweight 200mm loft insulation rolls have a long lifespan. In general, glass mineral wool has a lifespan of 25 years.

200mm Knauf Earthwool Loft Roll 44 Combi-Cut Specifications

200mm Knauf Earthwool Loft Roll 44 Combi-Cut has all your insulation needs covered. Don't believe us? Check the specs: 

  • Rot-proof, non-hygroscopic and odourless
  • Partially cut rolls for use with timber joists at 400mm and 600mm centres
  • Do not sustain vermin and will not encourage the growth of fungi, mould or bacteria
  • Environmentally friendly and sustainable - it's made using recycled glass
  • Contains no ozone-depleting substances or greenhouse gases
  • Euroclass A1 reaction to fire classification - non combustible
  • Helps to save on your house energy bills
  • Lightweight and economic insulation quilt
  • Excellent acoustic and fire performance
  • Thermal conductivity of 0.044 W/mK
  • R-value (thermal resistance) 3.85m²K/W


200mm Knauf Earthwool Loft Roll 44 Insulation Certifications

  • Generic BRE Green Guide Rating A+
  • Classified as Zero ODP (Zero Ozone Depletion Potential) and Zero GWP (Zero Global Warming Potential)
  • A1 Euroclass Fire Rating
  • Manufactured in accordance with BS EN 13162
  • Awarded the DECLARE `Red List Free’ label - meaning no 'Red List' ingredients, including formaldehyde or phenol


Knauf 200mm Insulation Handling & Storage

Knauf's 200mm insulation roll is buttery soft and easy to handle and install thanks to its incorporation of Knauf's innovative ECOSE Technology. 
The rolls are supplied in polythene packs which are designed for short term protection only. For longer-term protection on site, the product should be stored either indoors, or undercover and off the ground.
Earthwool Loft Roll 44 should not be left permanently exposed to the elements.


Knauf Earthwool 200mm Installation

Knauf Insulation Loft Roll 44 insulation is designed for installation in lofts between suspended timber floors and pitched roofs at ceiling level. Unlike insulation boards, rolls do not have facings. In most cases, you will have to install protective sheets on top of the roll to ensure its longevity. 

About Knauf Insulation

Knauf Insulation has over 40 years experience in the insulation industry, and is considered one of the major brands of fibreglass insulation. They promise ‘smarter choices’ to people who want to invest in premium-quality thermal and acoustic insulation. The Earthwool range contains premium sound-deadening insulation such as the acoustic roll. For friction fitting between resilient timber battens and timber studs in robust detail separating floors and walls, check out Earthwool Acoustic Roll. 




200mm Knauf Earthwool Loft Roll 44 Insulation Combi-Cut (6.84m2/Roll)

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