ROCKWOOL FLEXI® is a multi-use, dual purpose thermal and acoustic insulation product with a unique flexible edge along one side. The patented flexible edge ensures a perfect fit is maintained between the product and its supporting framework for easy installation and optimum effectiveness.

Pack quantity - 6x slabs
Pack coverage - 4.32m2
Thermal conductivity - 0.038 W/mK
Reaction to fire - A1 classification to BS EN 13501-1

Features:
Unique flexible edge on one side
Manufactured with patented flexible edge
Ensures a perfect fit between insulation and framework
Can be fitted between fresh timber – adaptable to timber drying out and shrinking back.
Excellent thermal insulation
Acoustic insulation
A1 classified non-combustible fire resistance.
Easy to install
More Information
Area Covered4.32m2
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We deliver local and nationwide any day except Saturdays, Sundays and Bank Holidays.

We will contact you via text the evening before with a 90-minute timeslot for your delivery, so you can plan your day.

If your order is within our designated area, then we will deliver it for FREE NEXT DAY (subject to availability and minimum order value).

Click here for our delivery areas and charges.

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Returns and Refunds Policy

In the unlikely event that a delivered product is faulty or damaged, we will exchange it or provide you with a full refund, as long as we are notified of the product’s fault within 48 hours of it being delivered to you.


Champion Timber shall not accept on return for credit any goods ordered from Champion Timber incorrectly or subsequently found to be surplus to the customer’s requirements. The suitability of specialist goods is assumed to have been assessed by the customer or his/her advisor(s) prior to purchase. Champion Timber shall endeavour to assist customers where possible by accepting at a reasonable restocking charge the return of goods (together with the original packing if applicable) which are from Champion Timber normal stock lines but goods ordered from the manufacturer cannot be accepted without Champion Timber prior agreement for the return and Champion Timber restocking charges having been paid. In any event, credit cannot be given unless the customer provides Champion Timber with the number of the invoice on which the goods were supplied.

View our full Returns and Refunds Policy.