Knauf Insulation Loft Roll 44 (Combi-Cut) 100mm, 1.14×12.18m = 13.89m²

Thermal insulation blanket for pitched roof ceiling level applications

Suitable for use in cold roof applications, installed between and over ceiling joists in the loft space.

Compression packed and lightweight for easy handling and moving around a site.

Combi-cut are partially perforated (can be cut to 3x380mm and 2x570mm or 1.2m without cutting), providing the flexibility to be used between joists or used uncut as a full-width roll, maximising on-site efficiency.

Can be used to improve reliable long-term energy savings for buildings.

anufactured using Knauf Insulation’s unique bio-based binder, ECOSE® Technology.

Thicknesses and Availability:

Available in most popular thicknesses at most depots; short lead-times may apply if we need to get stock in before delivering to site.

This Knauf Loft Roll Range includes the following readily available product thicknesses: 100mm, 150mm, 170mm and 200mm.

Additional information


1 to 5 working days

SKU: KNFILR44C100 Category:
Knauf Insulation Loft Roll 44 (Combi-Cut) 100mm, 1.14×12.18m = 13.89m² £30.87£37.04

Availability Indicators

Knauf Loft Roll 44 is sent out from depots nationwide and is subject to the Local Depot Delivery minimum order levels and delivery charge thresholds.

Reasonable stock levels of popular thicknesses are held at larger depots. Please allow additional lead times where products need to be sourced from the manufacturer before being delivered to site.

Knauf reserves the right to change stocked products - while we will do all we can to keep on top of changes, availability and lead times my vary.

  • Generally 1 to 3 working days for delivery
  • Generally 1 to 5 working days for delivery
  • Generally 5 to 10 working days for delivery
  • Special request or made to order item, allow extended lead times. Minimum order levels may apply.
  • Please call to check availability and approximate lead times

Delivery charges will be calculated at check-out. Please visit our Ordering From Us page for further details on minimum order levels and delivery charges. If you have any queries, please do not hesitate to contact me via our Contact Form or on 01903 899 898.

Product Application

Glass mineral wool insulation blanket

Knaufs glass mineral wool insulation, Knauf Loft Roll 44, is suitable for use in pitched cold roof applications where multiple layers are installed between and above the ceiling joists. Can also be used in suspended and seperating floors.

Product Make-up

Core: Knauf Loft Roll 44 is manufactured from sand, recycled glass, limestone and soda ash, melted and spun into long strands before being bound with a bio-based binder (ECOSE® Technology) and compressed into matted layers with zero ozone depletion potential (zero ODP) and low global warming potential (GWP).

Facings: Unfaced as standard, however, we may be able to supply polyencapsulated rolls on request, depending on requirements.

Product Performance

Thermal Conductivity0.044 W/mK 
Vapour Resistance> 5 MNs/gm 
Nominal Densityapprox. 9 kg/m³