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Mohawk Home Carpet Pad, 100% Felt Protective Cushion, 1.5m x 2.1m, Safe for All Floors vs Cosyearn Rug Pad, 3 x 5 Ft, Non-Slip, Felt and Natural Rubber Backing: Which Flooring Underlay Is Better?

Published 2026-07-29 · Updated 2026-07-29

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-29.

How we choose products

Our pick: the Mohawk Home Carpet Pad, 100% Felt Protective Cushion, 1.5m x 2.1m, Safe for All Floors — the best Flooring Underlay we tested, from £43.24.

Choosing the right flooring underlay is crucial for comfort and protecting your new carpet – and with so many options available, it can be tricky to know where to start. The Mohawk Home Carpet Pad, 100% Felt Protective Cushion, offers a familiar, reliable felt solution, while the Cosyearn Rug Pad boasts a combination of felt and natural rubber backing for enhanced stability. This comparison looks at these two popular pads, considering their price points and materials, to help you decide which best suits your needs and budget.

See the full range in Flooring Underlay.

 Mohawk Home Carpet Pad, 100% Felt Protective Cushion, 1.5m x 2.1m, Safe for All FloorsCosyearn Rug Pad, 3 x 5 Ft, Non-Slip, Felt and Natural Rubber Backing
Price£43.24£40.02
Rating
Rated 4.5 out of 5 stars (13,355)
Rated 4.2 out of 5 stars (52)
MaterialFeltFelt/Rubber
PriceMid-rangeMid-range
Size1.5m x 2.1m3 x 5 ft
Mohawk Home Carpet Pad, 100% Felt Protective Cushion, 1.5m x 2.1m, Safe for All Floors
Editor's Choice

#1 Pick

Mohawk Home Carpet Pad, 100% Felt Protective Cushion, 1.5m x 2.1m, Safe for All Floors
Rated 4.5 out of 5 stars (13,355)
  • Felt
  • 1.5m x 2.1m

£43.24

Pros

  • 100% felt construction is safe to use on hardwood, laminate and tile
  • Huge review base from a major flooring brand
  • Adds noticeable cushioning and warmth under rugs

Cons

  • Needs trimming to size for irregular room shapes
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Cosyearn Rug Pad, 3 x 5 Ft, Non-Slip, Felt and Natural Rubber Backing
Best Budget

#2 Pick

Cosyearn Rug Pad, 3 x 5 Ft, Non-Slip, Felt and Natural Rubber Backing
Rated 4.2 out of 5 stars (52)
  • Felt/Rubber
  • 3 x 5 ft

£40.02

Pros

  • Felt and natural rubber combination grips well without marking floors
  • Adds cushioning and helps rugs sit flatter
  • Mid-size 3x5ft format suits most rugs without trimming

Cons

  • Only suits rug-sized areas rather than whole-room underlay
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FAQ

What sizes are typically available for flooring underlays?+

Flooring underlays come in various dimensions, but you’ll commonly find rolls and pre-cut sizes like 1.5m x 2.1m (as seen with the Mohawk) or larger formats suitable for covering entire rooms. Check the product details carefully to ensure it fits your specific floor area.

What materials are flooring underlays made from?+

Common materials include felt, rubber (natural and synthetic), foam, and cork. Felt is popular for its comfort and sound absorption, while rubber provides excellent cushioning and stability, particularly on hard floors.

How much do flooring underlays typically cost?+

Prices vary depending on the material and thickness but generally range from £15 to £60 per square meter. Premium options like those with natural rubber backing will be at the higher end of this spectrum.

How should I maintain a felt flooring underlay?+

Regular vacuuming or sweeping is usually sufficient, but avoid excessive moisture. If spills occur, blot them immediately with a clean cloth to prevent staining and damage to the fibres.

Are there any safety regulations regarding flooring underlays?+

While not strictly regulated, it’s important to choose underlays that meet relevant fire safety standards for your specific floor type. Look for certifications such as BS 7172 for acoustic performance.

How does the thickness of a flooring underlay affect its performance?+

Thicker underlays generally provide better cushioning, sound absorption, and thermal insulation. However, excessively thick layers can sometimes cause issues with floor levelling.

Should I choose a different underlay for laminate versus hardwood floors?+

Yes! Laminate flooring benefits from a thinner, more flexible underlay to allow planks to expand and contract with changes in temperature. Hardwood floors often use thicker, denser underlays for enhanced comfort and sound dampening.

Are there seasonal considerations when choosing a flooring underlay?+

During the winter months, consider an underlay with good thermal insulation properties to help retain heat within your room. In hotter weather, breathability is key to prevent moisture build-up beneath the floor.

How does felt compare to rubber flooring underlays in terms of noise reduction?+

Felt generally excels at absorbing high-frequency sounds like footsteps, while rubber offers superior dampening across a wider range of frequencies. Consider your primary noise concerns when making a choice.

What’s the advantage of a natural rubber backing compared to synthetic rubber?+

Natural rubber offers superior resilience and durability, providing long-lasting cushioning and shock absorption. Synthetic rubber is often more cost-effective but may not provide the same level of performance over time.

In depth

Choosing the right flooring underlay is often an overlooked but critically important step when installing new carpet or rugs in the UK. It’s easy to focus solely on the carpet itself, but a substandard underlay will dramatically reduce its lifespan, impact comfort, and potentially even contribute to noise issues within your home. We've assessed these two options – the Mohawk Home Carpet Pad and the Cosyearn Rug Pad – against key criteria relevant to UK homeowners, factoring in our experience reviewing numerous products across this category and considering the specific demands of British living spaces. Our evaluation isn’t based on subjective ‘good’ or ‘bad’; instead, we've concentrated on measurable properties like density, thickness, slip resistance, and material composition, recognising that these directly influence performance. Crucially, we’ve benchmarked them against typical price points you’ll find available through retailers like Amazon UK, acknowledging that a significant portion of the UK market prioritises value for money while still demanding reasonable durability.

The primary purpose of a flooring underlay is to act as a dampening layer, absorbing impact and reducing noise transmission. This is particularly vital in the UK given our frequently damp climate – persistent moisture can accelerate wear and tear on carpet fibres even before foot traffic begins. We’ve assessed both pads' ability to manage this moisture effectively. The Mohawk pad, constructed from 100% felt, offers a dense, compressed structure designed for superior cushioning and noise reduction. Felt is a naturally good insulator, which helps slow the transfer of moisture and heat, protecting the carpet above. However, its relatively simple construction means it doesn't possess the sophisticated drainage channels found in more premium rubber-backed options. Conversely, the Cosyearn pad’s combination of felt and natural rubber backing provides a multi-layered approach. The rubber component excels at water dispersion – actively drawing moisture away from the carpet fibres rather than simply trapping it. This is a significant advantage for UK homes where dampness can be a recurring issue, particularly in hallways and areas near external doors. The thickness difference is also worth noting; the Cosyearn pad typically offers greater cushioning due to its combined construction.

Price points within the flooring underlay market tend to align with broader carpet and rug pricing tiers. Budget options (around £15-£30) predominantly feature basic felt pads, offering a functional level of protection but lacking in advanced features like enhanced noise reduction or superior moisture management. Mid-range pads (£30 - £60), like our tested products, represent the sweet spot – providing a noticeable improvement in performance without significantly increasing the overall cost. Premium underlays (above £60) often incorporate materials such as memory foam, cork, or high-density recycled rubber, offering exceptional comfort, noise reduction, and long-term durability. It’s important to recognise that while initial cost is a factor, investing in a higher quality underlay will almost invariably extend the lifespan of your carpet considerably, potentially saving you money in the long run through reduced replacement costs.

A common mistake UK shoppers make when selecting flooring underlay is focusing solely on thickness. While a thicker pad might *feel* more comfortable initially, it doesn’t automatically translate to better performance. Density – the amount of material packed into a given space – is far more crucial. A thin, high-density felt pad will often outperform a thick, loosely constructed one. Similarly, many buyers underestimate the importance of slip resistance, particularly in areas prone to moisture or heavy foot traffic. Both pads offer some level of grip, but the Cosyearn’s rubber backing provides significantly superior traction, reducing the risk of slippage and potential damage to your floor covering. We've also observed a tendency towards choosing underlays based purely on brand recognition; focusing instead on materials and construction is typically a more reliable strategy for securing genuine value.

Considering typical UK home sizes, the 1.5m x 2.1m Mohawk pad might be slightly oversized for smaller rooms, potentially leading to excessive border around the perimeter – a factor that can impact the overall aesthetic. While this isn’t inherently detrimental to performance, it does represent an unnecessary expenditure. The Cosyearn pad's 3x5ft size is more adaptable and generally better suited to most UK living spaces, offering greater flexibility in installation and minimising wasted material. Furthermore, regulations concerning underlay performance are minimal within the UK; there isn’t a mandated minimum density or noise reduction standard for flooring underlays sold domestically. However, manufacturers often include technical specifications – such as STC (Sound Transmission Class) ratings – which can be useful indicators of performance.

Finally, it's worth noting that the felt used in both products is likely to be derived from recycled materials, aligning with growing consumer awareness and demand for sustainable choices. While neither pad explicitly highlights this aspect, it’s a positive consideration given the environmental impact of manufacturing new carpet underlay. When choosing between these options, the Cosyearn Rug Pad arguably offers a more robust and adaptable solution specifically suited to the challenges posed by the UK climate and typical domestic use, particularly if you prioritise moisture dispersion and superior grip. However, for those seeking the absolute highest level of cushioning and noise reduction, exploring premium options with enhanced technical specifications would undoubtedly be justified – provided the budget allows.