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Decimat® 10mm Soundproofing Underlay – Premium Acoustic Insulation, Up to 75dB Impact Noise Reduction for Floors
Our Clients
Decimat® 10mm Soundproofing Underlay – Up to 75dB Impact Noise Reduction
The UK's Most Powerful 10mm Acoustic Underlay – Outperforms Every Competitor
Decimat® 10mm Soundproofing Underlay delivers up to 75dB combined acoustic performance – the highest available in its class from any UK supplier. Purpose-engineered for concrete and timber floors, Decimat® provides exceptional impact and airborne noise reduction for homes, apartments, offices, and commercial developments – all with fast, hassle-free installation.
While leading competitors such as dB FFR and Hush FFR 10mm only achieve 39dB impact noise reduction, Decimat® reaches up to 75dB – making it the clear choice for anyone serious about acoustic performance in the UK.
Why Decimat® Beats the Competition
| Feature | Decimat® 10mm | Competitor 1 10mm | Competitor 2 10mm |
|---|---|---|---|
| Impact Noise Reduction | Up to 75dB ✅ | 39dB | 39dB |
| Density | 1500 kg/m³ ✅ | 7.5 kg/m² | 7.5 kg/m² |
| No Overboarding Required | Yes ✅ | No | No |
| Ideal for Concrete Floors | Yes ✅ | Yes | Yes |
| Free UK Delivery | Yes ✅ | No (£90 extra) | No (£85 extra) |
| DIY & Professional Use | Both ✅ | Professional only | Professional only |
Key Benefits
✅ Industry-Leading 75dB Noise Reduction – The highest impact noise performance available in a 10mm underlay on the UK market. Dramatically reduces footfall, appliance vibrations, and structural impact noise between floors.
✅ No Overboarding Required – Unlike competitor products, Decimat® can be installed directly under most flooring finishes without the need for additional plywood overlays, saving significant time and cost.
✅ Specifically Engineered for Concrete Floors – Decimat® excels on concrete subfloors, decoupling impact vibrations at the source and preventing transmission to lower levels – perfect for flats, apartments and multi-storey buildings.
✅ Ultra-High Density at 1500 kg/m³ – More than double the mass per m² of comparable recycled rubber underlays, delivering far greater acoustic mass and long-term durability under heavy foot traffic and appliances.
✅ Works Under All Flooring Types – Suitable under engineered timber, laminate, LVT, stone, ceramic tile, and carpet. Fully compatible with underfloor heating systems.
✅ Fast, Hassle-Free Installation – Simple roll-out and trim installation. No specialist tools or adhesives required. Ideal for both DIY homeowners and professional contractors.
✅ Free UK Delivery Included – No hidden delivery charges. Your order arrives direct to your door, fast – while competitors charge up to £90 extra.
✅ Long-Lasting Premium Performance – Built to maintain its acoustic and structural properties for the lifetime of the floor. Will not compress, crack, or degrade under normal use conditions.
Technical Specifications
| Product Name | Decimat® 10mm Soundproofing Underlay |
|---|---|
| Thickness | 10mm |
| Sheet Dimensions | 1m × 5m |
| Coverage per Roll | 5 m² |
| Impact Noise Reduction | Up to 75dB |
| Material Density | 1500 kg/m³ |
| Suitable Subfloors | Concrete, Timber, Screed |
| Compatible Flooring | Engineered Wood, Laminate, LVT, Stone, Carpet, Tile |
| Underfloor Heating Compatible | Yes |
| Installation Method | Roll-out, butt-joint, tape seams |
| Country of Origin | United Kingdom |
| Delivery | Free UK Delivery |
Where to Use Decimat® 10mm
Decimat® is the preferred choice across a wide range of residential and commercial applications throughout the UK:
🏠 Domestic Homes – Reduce footfall noise between floors in houses and bungalows. Perfect for bedrooms, living rooms, and hallways where peace and quiet matters most.
🏢 Flats & Apartments – Comply with Part E Building Regulations for new build and refurbishment projects. Decimat® provides the acoustic separation required between connected dwellings.
🏗️ New Build Developments – Specified by architects, developers, and contractors seeking a cost-effective, high-performance acoustic floor build-up without Robust Details.
🏋️ Gyms & Fitness Studios – Absorb heavy impact from weights, machines, and exercise to protect lower-level occupants and meet commercial acoustic standards.
🏫 Schools, Offices & Commercial Premises – Reduce cross-floor noise transmission in multi-storey commercial buildings to improve productivity and comply with building regulations.
How to Install Decimat® 10mm Underlay
Step 1: Ensure the subfloor is clean, dry, and level. Remove any protruding fixings or high spots.
Step 2: Unroll Decimat® across the floor surface with the smooth side facing upwards. Butt-join sheets tightly – do not overlap.
Step 3: Tape all seams with acoustic joining tape to maintain acoustic performance at joints.
Step 4: Trim neatly to fit the room using a sharp utility knife. Do not turn up the edges.
Step 5: Proceed to lay your chosen flooring finish directly on top. No overboarding is required in most applications.
Frequently Asked Questions
Can Decimat® be used under underfloor heating?
Yes. Decimat® 10mm is compatible with both electric and wet underfloor heating systems. Always consult your underfloor heating supplier for specific thermal resistance (tog) requirements.
Does Decimat® work on timber floors?
Yes. While Decimat® is specifically optimised for concrete subfloors, it also performs excellently on suspended timber floors, significantly reducing both impact and airborne noise transmission.
How many rolls do I need?
Each roll covers 5m². Simply measure the length × width of your room, divide by 5, and round up to the nearest whole number. We recommend adding 10% for wastage on irregular rooms.
Is Decimat® suitable for new build projects?
Absolutely. Decimat® is used by developers across the UK seeking a proven acoustic floor build-up that helps meet Part E of the Building Regulations in residential and mixed-use developments.
Why is Decimat® better than recycled rubber underlays like dB FFR?
Decimat® has a density of 1500 kg/m³ versus 7.5 kg/m² for standard recycled rubber products, delivering far superior mass-loaded acoustic performance and up to 75dB noise reduction – nearly double that of comparable products.
About Us
All orders ship quickly for free via 
& 
We are a UK company with over 60 years of experience in the industry.
Your orders support a family owned and operated business.
Decimat® 10mm Soundproofing Underlay – Premium Acoustic Insulation, Up to 75dB Impact Noise Reduction for Floors
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FREE Shipping anywhere in the UK
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Satisfaction Guaranteed.
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Need help? Call Us 01282 277786 or email
sales@rubberco.co.uk
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Our Clients
Decimat® 10mm Soundproofing Underlay – Up to 75dB Impact Noise Reduction
The UK's Most Powerful 10mm Acoustic Underlay – Outperforms Every Competitor
Decimat® 10mm Soundproofing Underlay delivers up to 75dB combined acoustic performance – the highest available in its class from any UK supplier. Purpose-engineered for concrete and timber floors, Decimat® provides exceptional impact and airborne noise reduction for homes, apartments, offices, and commercial developments – all with fast, hassle-free installation.
While leading competitors such as dB FFR and Hush FFR 10mm only achieve 39dB impact noise reduction, Decimat® reaches up to 75dB – making it the clear choice for anyone serious about acoustic performance in the UK.
Why Decimat® Beats the Competition
| Feature | Decimat® 10mm | Competitor 1 10mm | Competitor 2 10mm |
|---|---|---|---|
| Impact Noise Reduction | Up to 75dB ✅ | 39dB | 39dB |
| Density | 1500 kg/m³ ✅ | 7.5 kg/m² | 7.5 kg/m² |
| No Overboarding Required | Yes ✅ | No | No |
| Ideal for Concrete Floors | Yes ✅ | Yes | Yes |
| Free UK Delivery | Yes ✅ | No (£90 extra) | No (£85 extra) |
| DIY & Professional Use | Both ✅ | Professional only | Professional only |
Key Benefits
✅ Industry-Leading 75dB Noise Reduction – The highest impact noise performance available in a 10mm underlay on the UK market. Dramatically reduces footfall, appliance vibrations, and structural impact noise between floors.
✅ No Overboarding Required – Unlike competitor products, Decimat® can be installed directly under most flooring finishes without the need for additional plywood overlays, saving significant time and cost.
✅ Specifically Engineered for Concrete Floors – Decimat® excels on concrete subfloors, decoupling impact vibrations at the source and preventing transmission to lower levels – perfect for flats, apartments and multi-storey buildings.
✅ Ultra-High Density at 1500 kg/m³ – More than double the mass per m² of comparable recycled rubber underlays, delivering far greater acoustic mass and long-term durability under heavy foot traffic and appliances.
✅ Works Under All Flooring Types – Suitable under engineered timber, laminate, LVT, stone, ceramic tile, and carpet. Fully compatible with underfloor heating systems.
✅ Fast, Hassle-Free Installation – Simple roll-out and trim installation. No specialist tools or adhesives required. Ideal for both DIY homeowners and professional contractors.
✅ Free UK Delivery Included – No hidden delivery charges. Your order arrives direct to your door, fast – while competitors charge up to £90 extra.
✅ Long-Lasting Premium Performance – Built to maintain its acoustic and structural properties for the lifetime of the floor. Will not compress, crack, or degrade under normal use conditions.
Technical Specifications
| Product Name | Decimat® 10mm Soundproofing Underlay |
|---|---|
| Thickness | 10mm |
| Sheet Dimensions | 1m × 5m |
| Coverage per Roll | 5 m² |
| Impact Noise Reduction | Up to 75dB |
| Material Density | 1500 kg/m³ |
| Suitable Subfloors | Concrete, Timber, Screed |
| Compatible Flooring | Engineered Wood, Laminate, LVT, Stone, Carpet, Tile |
| Underfloor Heating Compatible | Yes |
| Installation Method | Roll-out, butt-joint, tape seams |
| Country of Origin | United Kingdom |
| Delivery | Free UK Delivery |
Where to Use Decimat® 10mm
Decimat® is the preferred choice across a wide range of residential and commercial applications throughout the UK:
🏠 Domestic Homes – Reduce footfall noise between floors in houses and bungalows. Perfect for bedrooms, living rooms, and hallways where peace and quiet matters most.
🏢 Flats & Apartments – Comply with Part E Building Regulations for new build and refurbishment projects. Decimat® provides the acoustic separation required between connected dwellings.
🏗️ New Build Developments – Specified by architects, developers, and contractors seeking a cost-effective, high-performance acoustic floor build-up without Robust Details.
🏋️ Gyms & Fitness Studios – Absorb heavy impact from weights, machines, and exercise to protect lower-level occupants and meet commercial acoustic standards.
🏫 Schools, Offices & Commercial Premises – Reduce cross-floor noise transmission in multi-storey commercial buildings to improve productivity and comply with building regulations.
How to Install Decimat® 10mm Underlay
Step 1: Ensure the subfloor is clean, dry, and level. Remove any protruding fixings or high spots.
Step 2: Unroll Decimat® across the floor surface with the smooth side facing upwards. Butt-join sheets tightly – do not overlap.
Step 3: Tape all seams with acoustic joining tape to maintain acoustic performance at joints.
Step 4: Trim neatly to fit the room using a sharp utility knife. Do not turn up the edges.
Step 5: Proceed to lay your chosen flooring finish directly on top. No overboarding is required in most applications.
Frequently Asked Questions
Can Decimat® be used under underfloor heating?
Yes. Decimat® 10mm is compatible with both electric and wet underfloor heating systems. Always consult your underfloor heating supplier for specific thermal resistance (tog) requirements.
Does Decimat® work on timber floors?
Yes. While Decimat® is specifically optimised for concrete subfloors, it also performs excellently on suspended timber floors, significantly reducing both impact and airborne noise transmission.
How many rolls do I need?
Each roll covers 5m². Simply measure the length × width of your room, divide by 5, and round up to the nearest whole number. We recommend adding 10% for wastage on irregular rooms.
Is Decimat® suitable for new build projects?
Absolutely. Decimat® is used by developers across the UK seeking a proven acoustic floor build-up that helps meet Part E of the Building Regulations in residential and mixed-use developments.
Why is Decimat® better than recycled rubber underlays like dB FFR?
Decimat® has a density of 1500 kg/m³ versus 7.5 kg/m² for standard recycled rubber products, delivering far superior mass-loaded acoustic performance and up to 75dB noise reduction – nearly double that of comparable products.
About Us
All orders ship quickly for free via &
We are a UK company with over 60 years of experience in the industry.
Your orders support a family owned and operated business.
Decimat® 10mm Soundproofing Underlay – Premium Acoustic Insulation, Up to 75dB Impact Noise Reduction for Floors
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