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1 Review
View Product Reviews140mm Rockwool Flexi Acoustic Sound Insulation Slab (2.88m2/Pack)
| 10+ packs | 15+ packs | 25+ packs |
| £36.86ex. VAT | £36.69ex. VAT | £36.49ex. VAT |
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Product Overview
Delivery & Returns Information
All delivery charges are shown in your basket and are dependent on the total value of items in your basket based on product category.
Standard (Nationwide) Delivery
| Insulation, Plasterboard and Drylining Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £150 ex. VAT | £50 ex. VAT |
| Between £150 - £400 ex. VAT | £35 ex. VAT |
| Over £400 ex. VAT | FREE |
| Timber & Sheet, Building Materials, Doors & Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 ex. VAT | £35 ex. VAT |
| Between £100 - £300 ex. VAT | £20 ex. VAT |
| Over £300 ex. VAT | FREE |
| SuperFOIL and YBS products | |
| ORDER VALUE | DELIVERY CHARGE |
| Each item | £10 ex. VAT |
| Over £350 ex. VAT of 1 brand | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 ex. VAT | £7.50 ex. VAT |
| Over £100 ex. VAT | FREE |
| Thermafleece CosyWool Roll & SupaSoft Insulation | |
| QUANTITY | DELIVERY CHARGE |
| 1 | £30 ex. VAT |
| 2 | £60 ex. VAT |
| 3 to 12 | £70 ex. VAT |
| 13 to 24 | £140 ex. VAT |
| 25 to 36 | £210 ex. VAT |
| 37 to 48 | £280 ex. VAT |
| 49 to 60 | £350 ex. VAT |
| 61+ | £420 ex. VAT |
| Thermafleece CosyWool Slab, Thermafleece UltraWool & Thermafleece NatraHemp | |
| QUANTITY | DELIVERY CHARGE |
| 1 | £30 ex. VAT |
| 2 | £60 ex. VAT |
| 3 to 4 | £70 ex. VAT |
| 5 to 8 | £140 ex. VAT |
| 9 to 12 | £210 ex. VAT |
| 13 to 16 | £280 ex. VAT |
| 17 to 20 | £350 ex. VAT |
| 21+ | £420 ex. VAT |
| Block Pavers | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 ex. VAT | £17.50 ex. VAT |
| Between £100 - £200 ex. VAT | £30.50 ex. VAT |
| Between £200 - £900 ex. VAT | £105 ex. VAT |
| Over £900 ex. VAT | FREE |
| Artificial Grass | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 ex. VAT | £12 ex. VAT |
| Between £100 - £200 ex. VAT | £16.50 ex. VAT |
| Over £200 ex. VAT | £22 ex. VAT |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 ex. VAT | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Doors & Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 ex. VAT | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
This charge is based on delivery to mainland UK excluding the Scottish Highlands. If your delivery address is in the Scottish Highlands a member of our customer service team will contact you prior to processing your order should an additional delivery charge apply. We do not offer deliveries outside the UK mainland.
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- Water repellent qualities
- Excellent acoustic and thermal performance
- Will not slump, even if studs shrink
- Friction fits between timber and metal frames
- Reduces potential for air gaps
- Fire resistance
Technical Specification
| Material Type: | Rock Mineral |
|---|---|
| Thickness: | 140mm |
| Width: | 600mm |
| Length: | 1200mm |
| Pieces Per Pack: | 4 |
| Sales Unit: | Pack |
| Sales Unit Coverage: | 2.88m2 |
| Brand: | Rockwool |
| Manufacturer's Reference: | 123330 |
| Thermal Conductivity: | 0.035W/mK |
| Fire Rating: | A1 Non-Combustible |
Technical Downloads
What is 140mm Rockwool Flexi?
Discover the pinnacle of insulation technology with the 140mm Rockwool Flexi Insulation Slab, a revolutionary solution designed to elevate comfort and tranquillity within your home.
Engineered to excel in both sound dampening and thermal insulation, this slab boasts a patented flexible edge, ensuring a seamless, friction-fitted installation within any supporting framework.
The flexible edge allows the product to be tightly fitted between timber and metal frames, without the need for cutting or waste. This tight fit is essential in ensuring optimum thermal and acoustic integrity.
Crafted from renewable volcanic rock, it not only offers exceptional fire resistance (with a classification of A1 non-combustible) but also significantly reduces the carbon footprint of buildings, aligning with sustainable construction practices.
They are suitable for installation between wall frames, roofs, floors and partitions and are considered an effective thermal insulation solution with a thermal conductivity of 0.035W/mK.
Where Is 140mm Rockwool Flexi Used?
- Interior timber or steel partition walls
- Interior timber frame floors
- Interior timber frame ceilings
- Acoustic ceilings and partition panels
- I-joist interior partitions
- Party walls
140mm Rockwool Flexi Slab Benefits
- Low Global Warming Potential (GWP) and Zero Ozone Depleting Potential (ODP)
- Part E acoustic rating (resistance to sound) when installed in accordance with ROCKWOOL guidelines
- Rot-resistant - withstands mould and mildew
- Thermal conductivity of 0.035 W/mK
- Water repellent qualities of the insulation prevent moisture build-up, dampness and rot
- Excellent acoustic and thermal performance
- Will not slump, even if studs shrink
- Friction fit for timber and metal frames
- Fire resistance
140mm Rockwool Flexi Certifications
BS EN is British and European Standard Specifications. With over 100 years of experience, the British Standards Institute is recognised as the UK’s National standards body. BS EN considers Rockwool both:
- Euroclass A1 non-combustible in accordance with BS EN 13501-1 - achieving the highest possible level of fire performance
- CE and Key marked in accordance with BS EN 13162:2012 + A1:2015.v
140mm Rockwool Flexi insulation slabs are also certified by Lloyd's register of shipping as non-combustible materials for use on:
- Fixed offshore installations
- MED classed ships- DTLR MCA approval
- Rated non-combustible in accordance with ISO 1182 and IMO A. 799
140mm Rockwool Flexi Storage & Handling
Rockwool Flexi 140mm slabs have a soft, fibrous texture, very similar to a loaf of bread. Because of this, a serrated blade is all you need to slice through it. We recommend marking the dimensions you need on your slab to avoid mistakes.
When it comes to storage, we advise that you store the slabs inside in a cool, dry area.
About Rockwool
Rockwool is recognised as being the market-leading acoustic insulation solution. The Rockwool Flexi slab range offers outstanding thermal, acoustic and fire insulation properties as well as lifelong durability. 140mm Rockwool Flexi insulation slabs achieve Lambda 0.035W/mK.
Customer Reviews
has a great flexible edge for quick installation. extremely fire resistant. perfect for internal partitions.
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