new_releasesManufacturer price increase of 9.3% will apply for all deliveries on or after 01 July 2026

90mm Knauf Frametherm Roll 35 (6.84m2/Roll)

£66.54ex. VAT £9.73 per m2
£66.54ex. VAT
£9.73 per m2
Coverage required
m
m
Based on your total area of m2 (inc. 10% wastage) - of these are required (actual coverage of m2)

We recommend purchasing at least 10% extra product to allow for errors, damages or obstacles

Glass mineral wool roll for timber and steel frame walls. Thermal conductivity 0.035 W/mK delivers reliable insulation performance. 90mm thickness suits standard frame depths in general-purpose builds.
±24 Sold in multiples of 24

Nationwide Delivery

Fri 3 Jul

Order by 2pm today
  • 12hrs
  • 22mins
  • 46secs

Delivery & Returns Info

lock Secure checkout (powered by Stripe)

Make 3 payments of £532.32 with PayPal Learn more
Make 3 payments of £532.32 with Klarna Learn more
Make 4 payments of £399.24 with Clearpay Learn more

£66.54ex. VAT
±24 Sold in multiples of 24
±24 Sold in multiples of 24

Key Features

  • {{thermostat}} Exceptional thermal performance
  • {{local_fire_department}} Non-combustible for added safety
  • {{pest_control_rodent}} Odourless, rot-proof, and vermin-resistant
  • {{verified_user}} Complies with stringent standards

Technical Specification

Technical Specification
URN: 3003035
Product: Frametherm 35
Brand: Knauf Insulation
Material Type: Glass Mineral
Thickness: 90mm
Width: 1140mm
Length: 6000mm
Sales Unit: Roll
Sales Unit Coverage: 6.84m2
Fire Rating: A1 Non-Combustible
Thermal Conductivity: 0.035W/mK
Manufacturer's Reference: 2407396

Product Overview

Knauf Frametherm Roll 35 with a 90mm thickness providing 6.84m² coverage per roll. This glass mineral wool insulation offers dependable thermal efficiency at a conductivity of 0.035 W/mK. 

Designed for use in timber and steel frame systems, it combines reliable thermal resistance, sound absorption, and fire safety. Manufactured with ECOSE® Technology, the product is formaldehyde-free and environmentally sustainable. 

The 90mm thickness is suitable for standard wall cavities and provides balanced thermal performance for general building use.

Features & Benefits

  • Thermal performance: 0.035 W/mK conductivity ensures reliable insulation for framed constructions.
  • Non-combustible: Euroclass A1 fire rating for full compliance with building standards.
  • Sound insulation: Absorbs noise transmission in internal partitions and external walls.
  • Sustainable manufacture: ECOSE® Technology binder reduces embodied energy and emissions.
  • Simple installation: Supplied in roll form for quick fitting between studs.
  • Thickness and coverage: 90mm roll providing 6.84m² coverage for general cavity applications.


Applications

  • Timber and steel frame walls: Used for standard-depth cavity insulation.
  • Internal partitions: Improves thermal and acoustic performance between rooms.
  • Loft conversions: Suited for pitched roof or rafter infill applications.
  • Commercial interiors: Used in non-load-bearing stud walls.


Installation Guidance

  • Cutting: Trim cleanly using a sharp insulation knife for precise fit between studs.
  • Fitting: Place friction-tight without gaps; do not compress to ensure full performance.
  • Protection: Handle with gloves and mask in ventilated areas.
  • Storage: Keep dry and protected from weather prior to installation.


Compliance & Performance

  • Thermal conductivity: 0.035 W/mK.
  • Fire classification: Euroclass A1 non-combustible to EN 13501-1.
  • Acoustic performance: Tested to meet relevant sound insulation standards in framed systems.
  • Environmental compliance: Manufactured with up to 80% recycled glass and formaldehyde-free binder.
  • Important note: Maintain product thickness and continuity to achieve stated thermal values.


Delivery & Returns Information

Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.

Standard (Nationwide) Delivery

Insulation, Plasterboard and Drylining Products
ORDER VALUE DELIVERY CHARGE
Under £400 £45 ex. VAT
Over £400 ex. VAT FREE

Express Delivery

Express Delivery - Insulation and Plasterboard & Drylining
ORDER VALUE DELIVERY CHARGE
Under £400 £90 ex. VAT
Over £400 ex. VAT £55 ex. VAT
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £300 £50 ex. VAT
Over £300 ex. VAT £35 ex. VAT

View Full Delivery Policy

How delivery works

We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.

Delivery areas

Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.

If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.

What to expect on delivery day

  • Deliveries are typically kerbside.
  • Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
  • Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.

Why delivery can cost more than typical parcel delivery

Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.

Returns

Returns depend on what you have bought and whether there is anything wrong with it. For full details on eligibility, timeframes, and exclusions, please see our full policy.

View Full Returns Policy


Customer Reviews

5
4
3
2
1
0/5 based on 0 reviews

Leave a Review


Questions and Answers

No questions have been asked about this product yet. Be the first to ask!

Have a question or an answer about this product?

Sign In or Sign Up. Sign In or Sign Up to contribute.


Related Articles

How To Cut Insulation Rolls

All Categories

Services