Knauf Loft Roll 44 Combi‑Cut 100 mm (13.89 m²)

The Knauf Loft Roll 44 Combi‑Cut in 100 mm thickness is designed for insulating cold lofts at ceiling level, offering reliable thermal performance in situations where insulation depth is not restricted. It features a glass‑mineral wool construction manufactured using ECOSE® Technology, ensuring a softer feel, lower dust and no added phenol or formaldehyde.

The roll measures approximately 12,180 mm in length and 1,140 mm in width (which can be divided into two 570 mm or three 380 mm sections) to fit standard joist spacings of 400 mm and 600 mm. With a declared thermal conductivity of 0.044 W/mK and fire safety rating of Euroclass A1, it provides both energy efficiency and safety compliance. This roll is an excellent choice for both trade and DIY users looking to deliver a consistent, high‑quality loft insulation solution.

Specifications

Type: Loft insulation roll (combi‑cut)
Thickness: 100 mm
Width: 1,140 mm (2 × 570 / 3 × 380 mm sections)
Length: ~12,180 mm
Coverage: ~13.89 m² per roll
Material: Glass mineral wool with ECOSE® binder
Thermal Conductivity: 0.044 W/mK
Fire Rating: Euroclass A1

Key Features

• Flexible combi‑cut design for rapid use between joists or full width roll
• Non‑combustible and fire‑safe — Euroclass A1 rated
• Lightweight and easy to handle for both trade and DIY installation
• Low VOC and formaldehyde‑free binder for better indoor environment
• Effective thermal insulation solution for cold lofts and pitched roofs at ceiling level