100mm Rockwool Twin Roll Loft Insulation

100mm Rockwool Twin Roll Loft Insulation is a stone wool insulation product widely used across Ireland and the UK. This high-performance thermal solution delivers outstanding acoustic properties alongside superior fire safety. With Euroclass A1 non-combustible certification, 100mm Rockwool Twin Roll provides reliable protection and thermal efficiency.

Supplied in pre-cut widths of 1200mm (two rolls per pack), this 100mm thick insulation suits numerous applications. Every roll arrives on pallets with waterproof protection to maintain quality throughout delivery and storage.

Product specification

• Thickness (mm): 100
• Width: 1200mm
• Length: 2750mm
• Pieces Per Pack: 2
• Pack Coverage: 6.60m2
• Density: 22kg/m3
• Weight/m2: 2.2kg
• Weight: 12.67kg
• Thermal Conductivity: 0.044W/mK
• R-Value: 2.27m2K/W
• Fire Rating (Reaction to Fire): A1(Non-combustible)

Benefits

This Twin Roll insulation arrives pre-split into 2 x 1200mm widths for straightforward handling. • Thermal conductivity of 0.044 W/mK • Non-combustible - Euroclass A1 classification as defined in EN 13501-1 • Suitable for multiple applications in roof and loft areas • Supplied as complete rolls, pre-cut widths, or pre-split sections for quick installation • Long-lasting performance – resists sagging and slumping

Application

Rockwool Loft Roll products work effectively across many different scenarios, from roof spaces in all building types to overlay applications above suspended ceiling tiles.

• Roofs
• Lofts
• Suspended ceilings
• Partitions
• Loft spaces
• Between joists
• Over joists

Thermal Performance

100mm Rockwool Roll, Twinroll, and Rollbatt products deliver exceptional thermal conductivity with a lambda (λ) value of 0.044 W/mK, complying with BS EN 13162:2012 + A1:2015 standards.

Fire Performance

100mm Rockwool Loft Roll products exhibit non-combustible properties, achieving an A1 reaction to fire classification according to EN13501-1 standards.

Acoustic Performance

When installed within properly designed systems, Rockwool 100mm loft Roll, Twinroll, and Rollbatt significantly improves sound reduction. The random fibre structure and density of stone wool effectively absorb sound waves and reduce vibration, minimising external noise intrusion, particularly in external wall applications. Furthermore, Rockwool Acoustic insulation maintains consistent shape and thickness throughout the building's lifespan, delivering reliable acoustic performance over many years.

More Information on 100mm Rockwool Twin Roll Loft Insulation

• Manufaturer Link: Rockwool Twin Roll
• 100mm Rockwool loft Insulation is a high-performance brand offering versatile applications.
• Browse our Rockwool Insulation range and filter by thickness or coverage on the left-hand side of the page. To discuss product suitability for your project or request a quantity discount quotation, contact us by phone on +4402038839057 , email sales@insulationbee or Live Chat - Lowest UK Rockwool Insulation Prices.