Ursa 10 DIVERSO Loft Roll is a high-performance, lightweight insulation solution made from unfaced glass wool. Designed specifically for loft insulation in cold pitched roofs, it is ideal for both new builds and refurbishment projects. The rolls are perforated, allowing them to be easily split into 2 x 570mm or 3 x 380mm widths, ensuring a perfect fit between joists and minimizing waste on-site.
With a thermal conductivity of 0.044 W/mK, Ursa 10 DIVERSO ensures excellent thermal insulation, helping to reduce energy loss and maintain a comfortable indoor temperature. Additionally, it is classified as Euroclass A1 (non-combustible), providing the highest level of fire safety. This product is manufactured to strict quality standards (BS EN 13162, BS EN ISO 9001 & BS EN ISO 14001) and is UKCA and CE marked, assuring its performance and reliability.
Key Features:
-
Thermal Performance: Low thermal conductivity of 0.044 W/mK for effective energy savings.
-
Fire Resistance: Rated Euroclass A1, non-combustible.
-
Flexible Installation: Perforated for easy fitting in various loft sizes, with 2 x 570mm or 3 x 380mm width options.
-
Sustainable Choice: BRE Green Guide A+ rating for environmentally responsible construction.
-
Certified Quality: Compliant with BS EN 13162, BS EN ISO 9001, and BS EN ISO 14001 standards. UKCA & CE marked.
-
Available Thicknesses: 150mm and 200mm.
Applications:
- Ideal for loft insulation in cold pitched roofs.
- Suitable for use in both new builds and refurbishments.
Product Specifications:
-
Thickness options (mm): 150, 200.
-
Thermal Conductivity: 0.044 W/mK.
-
Nominal Density: 10 kg/m³.
-
Fire Classification: Euroclass A1 (non-combustible).
-
Roll Width Options: 570mm or 380mm.
-
Certification: BS EN 13162, BS EN ISO 9001, BS EN ISO 14001. UKCA & CE Marked.
Why Choose Ursa 10 DIVERSO Loft Roll?
Ursa 10 DIVERSO Loft Roll offers a versatile and effective insulation solution for cold pitched roofs, providing excellent thermal performance and safety. Its lightweight design and perforated format ensure quick, easy installation, making it an ideal choice for both professional contractors and DIY enthusiasts.
For more detailed packaging specifications, visit the Documents section. To see its practical application in loft insulation, check out Practical Application Guide.
Ursa
Insulation
- 150mm / 8.55m2
- 200mm / 6.27m2
Delivery is free to Mainland England and Wales. Deliveries are chargable to Scotland.
Once the order is placed, our courier will call you within 3 working days to arrange a delivery date. If you do not hear from the courier within 3 days, please get in touch with us. The majority of deliveries are made within 7 days, occasionally a little longer during peak periods.
Deliveries are made between 08:00 and 18:00 on the day, we request the driver calls you one hour before with an advised time.
Delivery is made via a kerbside tail lift lorry, we cannot deliver to sloping ground as the tail lift must be able to lay flat.
The road must be wide enough for a lorry to fit down and free from obstruction, if there are any access restrictions, please contact us.
Deliveries must be signed for, please report any damages to us within 24 hours.
We offer all bricks with a tail lift offloading service, Please familiarise yourself with the information below.
Crane offloading is available as a premium service for some bricks.

All of our C16 and C24 graded timber is regularised
Regularised timber is timber that has been processed to have a uniform shape and size. This means that the wood has been sawn and planed to remove any irregularities and ensure that each piece of wood has consistent dimensions. Regularised timber is often used in construction, particularly in the framing of buildings, as it is easier to work with and can be more efficiently installed than irregularly shaped timber.
We have one of the largest ranges of timber lengths, dimensions and grades available to buy online.
The variation you require will determine the exact lead time and delivery method.
Most orders arrive within 3-4 days, the maximum is 7 days. Please get in touch before you order if you need a specifc delivery date.
Delivery charges vary by postcode. To find out the delivery charge, add the item(s) you require to your basket and select CALCULATE SHIPPING at the bottom of the page.
Some orders are delivered on our own vehicles based in Leicestershire and Cheshire. We also use carriers including Yodel and Tuffnells. For some sizes and locations we use regional distributors.
If you'd prefer crane offloading rather than tail lift vehicle offloading for your brick order then this service is available for the majority of bricks that we sell. Charges are shown at checkout.
For deliveries of less than 6 packs then Taillift offloading is normally a more cost effective option
Downloadable information can be found here:

Armstrong Cheshire supply the full range of Catnic Lintels. If you don't see the lintel you need on our website, choose from the Catnic Lintel Selector Brochure and give us a call 01625 322269
Downloadable information can be found here:
Ursa 10 DIVERSO Loft Roll is a high-performance, lightweight insulation solution made from unfaced glass wool. Designed specifically for loft insulation in cold pitched roofs, it is ideal for both new builds and refurbishment projects. The rolls are perforated, allowing them to be easily split into 2 x 570mm or 3 x 380mm widths, ensuring a perfect fit between joists and minimizing waste on-site.
With a thermal conductivity of 0.044 W/mK, Ursa 10 DIVERSO ensures excellent thermal insulation, helping to reduce energy loss and maintain a comfortable indoor temperature. Additionally, it is classified as Euroclass A1 (non-combustible), providing the highest level of fire safety. This product is manufactured to strict quality standards (BS EN 13162, BS EN ISO 9001 & BS EN ISO 14001) and is UKCA and CE marked, assuring its performance and reliability.
Key Features:
-
Thermal Performance: Low thermal conductivity of 0.044 W/mK for effective energy savings.
-
Fire Resistance: Rated Euroclass A1, non-combustible.
-
Flexible Installation: Perforated for easy fitting in various loft sizes, with 2 x 570mm or 3 x 380mm width options.
-
Sustainable Choice: BRE Green Guide A+ rating for environmentally responsible construction.
-
Certified Quality: Compliant with BS EN 13162, BS EN ISO 9001, and BS EN ISO 14001 standards. UKCA & CE marked.
-
Available Thicknesses: 150mm and 200mm.
Applications:
- Ideal for loft insulation in cold pitched roofs.
- Suitable for use in both new builds and refurbishments.
Product Specifications:
-
Thickness options (mm): 150, 200.
-
Thermal Conductivity: 0.044 W/mK.
-
Nominal Density: 10 kg/m³.
-
Fire Classification: Euroclass A1 (non-combustible).
-
Roll Width Options: 570mm or 380mm.
-
Certification: BS EN 13162, BS EN ISO 9001, BS EN ISO 14001. UKCA & CE Marked.
Why Choose Ursa 10 DIVERSO Loft Roll?
Ursa 10 DIVERSO Loft Roll offers a versatile and effective insulation solution for cold pitched roofs, providing excellent thermal performance and safety. Its lightweight design and perforated format ensure quick, easy installation, making it an ideal choice for both professional contractors and DIY enthusiasts.
For more detailed packaging specifications, visit the Documents section. To see its practical application in loft insulation, check out Practical Application Guide.
Ursa
Insulation
- 150mm / 8.55m2
- 200mm / 6.27m2
Delivery is free to Mainland England and Wales. Deliveries are chargable to Scotland.
Once the order is placed, our courier will call you within 3 working days to arrange a delivery date. If you do not hear from the courier within 3 days, please get in touch with us. The majority of deliveries are made within 7 days, occasionally a little longer during peak periods.
Deliveries are made between 08:00 and 18:00 on the day, we request the driver calls you one hour before with an advised time.
Delivery is made via a kerbside tail lift lorry, we cannot deliver to sloping ground as the tail lift must be able to lay flat.
The road must be wide enough for a lorry to fit down and free from obstruction, if there are any access restrictions, please contact us.
Deliveries must be signed for, please report any damages to us within 24 hours.
We offer all bricks with a tail lift offloading service, Please familiarise yourself with the information below.
Crane offloading is available as a premium service for some bricks.

All of our C16 and C24 graded timber is regularised
Regularised timber is timber that has been processed to have a uniform shape and size. This means that the wood has been sawn and planed to remove any irregularities and ensure that each piece of wood has consistent dimensions. Regularised timber is often used in construction, particularly in the framing of buildings, as it is easier to work with and can be more efficiently installed than irregularly shaped timber.
We have one of the largest ranges of timber lengths, dimensions and grades available to buy online. The variation you require will determine the exact lead time and delivery method.
Most orders arrive within 3-4 days, the maximum is 7 days.
Please get in touch before you order if you need a specific delivery date.
Delivery charges vary by postcode. To find out the delivery charge, add the item(s) you require to your basket and select CALCULATE SHIPPING at the bottom of the page. Some orders are delivered on our vehicles based in Leicestershire and Cheshire. We also use carriers including Yodel and Tuffnells. For some sizes and locations, we use regional distributors.
If you'd prefer crane offloading rather than tail lift vehicle offloading for your brick order then this service is available for the majority of bricks that we sell. Charges are shown at checkout.
For deliveries of less than 6 packs then Taillift offloading is normally a more cost effective option
Downloadable information can be found here:
Armstrong Cheshire supply the full range of Catnic Lintels. If you don't see the lintel you need on our website, choose from the Catnic Lintel Selector Brochure and give us a call 01625 322269
Downloadable information can be found here:
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Ursa
Ursa 10 DIVERSO Loft Roll
From
£37.00
Unit price
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Ursa 10 DIVERSO Loft Roll is a high-performance, lightweight insulation solution made from unfaced glass wool. Designed specifically for loft insulation in cold pitched roofs, it is ideal for both new builds and refurbishment projects. The rolls are perforated, allowing them to be easily split into 2 x 570mm or 3 x 380mm widths, ensuring a perfect fit between joists and minimizing waste on-site.
With a thermal conductivity of 0.044 W/mK, Ursa 10 DIVERSO ensures excellent thermal insulation, helping to reduce energy loss and maintain a comfortable indoor temperature. Additionally, it is classified as Euroclass A1 (non-combustible), providing the highest level of fire safety. This product is manufactured to strict quality standards (BS EN 13162, BS EN ISO 9001 & BS EN ISO 14001) and is UKCA and CE marked, assuring its performance and reliability.
Key Features:
-
Thermal Performance: Low thermal conductivity of 0.044 W/mK for effective energy savings.
-
Fire Resistance: Rated Euroclass A1, non-combustible.
-
Flexible Installation: Perforated for easy fitting in various loft sizes, with 2 x 570mm or 3 x 380mm width options.
-
Sustainable Choice: BRE Green Guide A+ rating for environmentally responsible construction.
-
Certified Quality: Compliant with BS EN 13162, BS EN ISO 9001, and BS EN ISO 14001 standards. UKCA & CE marked.
-
Available Thicknesses: 150mm and 200mm.
Applications:
- Ideal for loft insulation in cold pitched roofs.
- Suitable for use in both new builds and refurbishments.
Product Specifications:
-
Thickness options (mm): 150, 200.
-
Thermal Conductivity: 0.044 W/mK.
-
Nominal Density: 10 kg/m³.
-
Fire Classification: Euroclass A1 (non-combustible).
-
Roll Width Options: 570mm or 380mm.
-
Certification: BS EN 13162, BS EN ISO 9001, BS EN ISO 14001. UKCA & CE Marked.
Why Choose Ursa 10 DIVERSO Loft Roll?
Ursa 10 DIVERSO Loft Roll offers a versatile and effective insulation solution for cold pitched roofs, providing excellent thermal performance and safety. Its lightweight design and perforated format ensure quick, easy installation, making it an ideal choice for both professional contractors and DIY enthusiasts.
For more detailed packaging specifications, visit the Documents section. To see its practical application in loft insulation, check out Practical Application Guide.
Size
- 150mm / 8.55m2
- 200mm / 6.27m2