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Rockwool Flexi-Slab - All Sizes
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Order now and get free delivery on all Rockwool orders over £300 ex vat.
- Versatile dual-purpose insulation: thermal & acoustic
- Patented flexible edge for easy installation
- Euroclass A1 non-combustible, BS EN 13162 compliant
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View Product »The following sizes are sold in packs: 50mm x 600mm, 100mm x 600mm and 140mm x 600mm
Thickness | Width | Slabs Per Pack | Pack Coverage | Number Of Packs Per Pallet |
---|---|---|---|---|
50mm | 400mm | 12 | 5.76m2 | 24 |
50mm | 600mm | 12 | 8.64m2 | 16 |
60mm | 600mm | 12 | 8.64m2 | 12 |
70mm | 600mm | 8 | 5.76m2 | 16 |
90mm | 600mm | 6 | 4.32m2 | 20 |
100mm | 400mm | 6 | 2.88m2 | 30 |
100mm | 600mm | 6 | 4.32m2 | 20 |
140mm | 400mm | 4 | 1.92m2 | 24 |
140mm | 600mm | 4 | 2.88m2 | 16 |
Discover the ultimate insulation solution with ROCKWOOL FLEXI® SLAB, available now at Insulation4less.co.uk! Engineered with versatility in mind, this innovative stone wool insulation slab boasts a patented flexible edge, ensuring a seamless fit in any project without the hassle of complex measurements. From pitched roof rafters to internal partitions and even timber suspended ground floors, ROCKWOOL FLEXI® adapts effortlessly, providing both thermal and acoustic insulation for a cosy, quiet, and comfortable space. Safety is paramount with its Euroclass A1 non-combustible rating, while meeting BS EN 13162 standards and bearing Keymark, Kitemark, and CE Marking certifications for quality assurance. Experience the new standard in insulation with ROCKWOOL FLEXI® SLAB today!
Key Features
- Versatile dual-purpose insulation: serves as both acoustic and thermal insulator
- Patented flexible edge for easy installation without complex measurements
- Suitable for various applications including pitched roof rafters, internal partitions, and timber suspended ground floors
- Euroclass A1 non-combustible for safety in high-temperature environments
- Meets BS EN 13162 standards and holds Keymark, Kitemark, and CE Marking certifications for quality assurance
Certification
ROCKWOOL FLEXI® meets the BS EN 13162 product standard and has been marked with Keymark, Kitemark, and CE Marking, ensuring it meets all the required safety and quality standards.
Technical Properties
- Euroclass A1 (non-combustible)
- Thermal conductivity: 50-120mm 0.038 W/mK; 140mm> 0.035 W/mK
- Acoustic insulation: Achieves Part E (resistance to sound) when installed in accordance with ROCKWOOL guidelines
- Water vapour resistance: 5.2 MNs/gm
- Water repellent
Frequently Asked Questions
What is the ROCKWOOL FLEXI® slab made of? ROCKWOOL FLEXI® is made from stone wool, a material renowned for its excellent thermal and acoustic insulation properties.
Where can ROCKWOOL FLEXI® be installed in my home? ROCKWOOL FLEXI® is designed to be versatile and can be installed in various parts of your home, including pitched roof rafters, framed external walls, internal partitions, intermediate floors, separating walls and floors, and timber suspended ground floors.
Is ROCKWOOL FLEXI® fire-resistant? Yes, ROCKWOOL FLEXI® is Euroclass A1 non-combustible, which means it won't contribute to a fire's spread or generate significant smoke.
Does ROCKWOOL FLEXI® provide acoustic insulation? Absolutely. Besides its thermal properties, ROCKWOOL FLEXI® also offers excellent acoustic insulation, helping to reduce sound transmission when installed in accordance with ROCKWOOL guidelines.
How does ROCKWOOL FLEXI® contribute to soundproofing? When installed according to ROCKWOOL guidelines, FLEXI® achieves Part E (resistance to sound), which helps to reduce noise transmission between rooms or spaces in your home or building.
Does ROCKWOOL FLEXI® meet fire safety standards? Yes, ROCKWOOL FLEXI® is Euroclass A1 non-combustible, the highest ranking in terms of fire resistance. This means it doesn't contribute to the spread of fire, providing additional safety to your home.
How does the flexible edge of ROCKWOOL FLEXI® contribute to its installation? The patented flexible edge of ROCKWOOL FLEXI® ensures a perfect fit between the insulation and the supporting framework. It can be fitted between fresh timber and will expand into the wider space as the timber dries out and shrinks back. This makes the installation process easy and effective.
Can ROCKWOOL FLEXI® be installed in intermediate floors and separating walls? Absolutely! ROCKWOOL FLEXI® is a multi-use insulation solution suitable for installation in intermediate floors, separating walls and floors, and more. Its flexibility and fitting properties make it a versatile choice for various applications.
Is ROCKWOOL FLEXI® suitable for use in a pitched roof? Yes, ROCKWOOL FLEXI® can be used in pitched roof rafters. It provides excellent thermal and acoustic insulation properties, making it a great choice for a wide range of applications, including roofing.
Length | 1200mm |
Thermal Conductivity | 0.038 W/mK |
Material Type | Rockfibre |
Oders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
5 + Bags = £68.75 Ex. VAT.
1 Pallet = £37.50 Ex. VAT.
Each Additional Pallet Incurs A £25 Ex. VAT. Charge
Deliveries to Central London & The Scottish Highlands will incur an additional delivery charge of £30 Ex Vat
Oders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Oders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders Over £200 Ex. VAT. = £42.50 Ex. VAT.
Free delivery on orders over £300 Ex. VAT.
Oders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Oders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free delivery on orders over £200 Ex. VAT.
£125 Ex. VAT. Over 1 Pallet
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free delivery on orders over £250 Ex. VAT.
Free delivery on orders over £300 Ex. VAT.
Oders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free Delivery On Orders Over £300 Ex. VAT.
Free Delivery on orders over £500 Ex. VAT.
Danosa Argoniv: £65 Per Pallet | Free Delivery on orders over £1500 Ex. VAT.
Danosa GeoTextile Fleece: £95 per order
All other Danosa: £65 per order
Orders over £300 Ex. VAT. = Free
Oders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free Delivery on orders over £100
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Fakro Windows: £62.50 Ex. VAT. Per Order | Free Delivery on orders over £450 Ex. VAT.
Fakro Flashings: 1-4 Flashings = £23.70 Ex. VAT.| 5 Or More Flashings = £44.95 Ex. VAT.
Orders over £42 Ex. VAT. = Free
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders over £760 Ex. VAT. = £31.25
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50
Free delivery on orders over £300 Ex. VAT.
Bagged: Orders under £300 Ex. VAT. = £50
Orders £300 - £500 Ex. VAT. = £25
Orders £260 - £325 Ex. VAT. = £22.50 Ex. VAT.
Free Delivery on orders over £325 Ex. VAT.
Free Delivery on orders over £180 Ex. VAT.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free Delivery on orders over £130 Ex. VAT.
Orders under £120 Ex. Vat = £25 Ex. Vat
Orders between £120 - £275 Ex. Vat = £37.50 Ex. Vat
Orders between £275 - £525 Ex. Vat = £50 Ex. Vat
Orders between £525 - £825 Ex. Vat = £62.50 Ex. Vat
Orders over £825 Ex. Vat = Free
Tapes
1-3 = £12.50 Ex. Vat
4 or more = £25 Ex. Vat
Orders Over £130 Ex. VAT. = Free Delivery
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £375 - £520 Ex. VAT. = £25 Ex. VAT.
Orders Over £520 Ex. VAT. = £18.75 Ex. VAT.
Orders between £501 - £999 Ex. VAT. = £75
Order value £1000 + Ex. VAT. = FREE DELIVERY
Free Delivery on orders over £260 Ex. VAT.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free Delivery On Orders Over £105 EX. VAT.
Free delivery on orders over £300 Ex. VAT.
Orders £200-£100 Ex. VAT.0 = £35
Orders £1000-£5000 Ex. VAT. = £59
Orders over £5000 Ex. VAT. = £89
FREE delivery on orders over £300 Ex. VAT.
8+ Rolls = £93.75 Ex. VAT.
Pallets = Free Delivery
Primer
1-12 Units = £12.50 Ex. VAT.
Over 12 Units = £31.25 Ex. VAT.
Box Of 12 = £12.50 Ex. VAT. Per Box
1 - 15 Packs = £77.50 Ex. Vat.
15 - 30 Packs = £150 Ex. Vat.
30 - 45 Packs = £225 Ex. Vat.
45 - 60 Packs = £300 Ex. Vat.
For Orders Over 60 Packs Please Call For Custom Delivery Charges
Steico Therm Wood
1 - 200 Packs = £77.50 Ex. Vat.
200 - 400 Packs = £150 Ex. Vat.
For Orders Over 400 Packs Please Call For Custom Delivery Charges
Steico Duo Dry
1 - 100 Sheets = £120 Ex. Vat.
100 - 200 Sheets = £240 Ex. Vat.
For Orders Over 200 Sheets Please Call For Custom Delivery Charges
Steico Special Dry Wood
1 - 66 Sheets = £120 Ex. Vat.
66 - 132 Sheets = £240 Ex. Vat.
For Orders Over 132 Sheets Please Call For Custom Delivery Charges
Steico Universal Wood
1 - 122 Sheets = £120 Ex. Vat.
122 - 244 Sheets = £240 Ex. Vat.
For Orders Over 244 Sheets Please Call For Custom Delivery Charges
Steico Protect Dry
1 - 50 Sheets = £77.50 Ex. Vat.
50 - 100 Sheets = £150 Ex. Vat.
100 - 150 Sheets = £225 Ex. Vat.
For Orders Over 150 Sheets Please Call For Custom Delivery Charges
Samac Beads: £14.50 Ex. VAT. Per Order
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
2 Boxes = £31.20 Ex. VAT.
3 Boxes = £39.95 Ex. VAT.
4+ Boxes = £49.95 Ex. VAT.
Pallets: £90 Ex. Vat Per Pallet
8-20 Packs = £150 Ex. VAT. Per Order
21-40 Packs = £250 Ex. VAT. Per Order
Silent Joist
1-20 Packs = £15 Ex. VAT.
21-40 Packs = £30 Ex. VAT.
41-60 Packs = £45 Ex. VAT.
61-80 Packs = £60 Ex. VAT.
81-100 Packs = £75 Ex. VAT.
Tapes
1-5 Tapes = £6 Ex. VAT. Per Order
Free Delivery Over 5 Tapes
SuperClose: £17.50 Ex. Vat
Free Delivery on orders over £160 Ex. VAT.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free Delivery on orders over £200 Ex. VAT.
Free delivery on orders over £300 Ex. VAT.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free Delivery On Orders Over £105 Ex. VAT.
Free Delivery On Orders Over 4 Items
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free Delivery On Orders Over £260 Ex. VAT.
Orders £175 - £300 Ex. VAT. = £50 Ex. VAT.
Free Delivery On Orders Over £300 Ex. VAT.
Delivery charges may differ in some parts of rural Scotland and Wales.
Free Delivery On Orders Over £220 Ex. VAT.
Est Delivery between and .
Delivery will always take place on a weekday (Mon - Fri).
For more information on delivery
visit our delivery info page.