Best Flooring Underlay — 1.5m x 2.1m (2026)
1 flooring underlay matching size “1.5m x 2.1m”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Flooring Underlay UK (2026) guide.
This 1.5m x 2.1m flooring underlay provides a crucial foundation for your new floor covering, offering enhanced comfort and sound insulation. Designed to be compatible with a wide range of floorboards and carpets, this roll size is ideal for larger rooms or areas requiring significant underlay coverage. Choosing the right underlay improves not only the feel beneathfoot but also reduces impact noise transmission – a key factor in creating a quieter home environment.
Measuring 1.5 metres in width and 2.1 metres in length, this roll offers flexibility in installation. It's suitable for covering areas up to approximately 10 square meters (depending on how efficiently it’s cut), making it a practical choice for bedrooms, hallways or studies. Remember to carefully measure your room before purchasing to ensure you get the correct size underlay.
This underlay is typically constructed from foam or felt, offering varying levels of cushioning and acoustic performance. Please check the product specifications for details on its density and noise reduction capabilities. Amazon UK offers a selection of options within this 1.5m x 2.1m dimension to suit your specific flooring needs and budget.
#1 Pick
Mohawk Home Carpet Pad, 100% Felt Protective Cushion, 1.5m x 2.1m, Safe for All Floors- 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
FAQ
What type of flooring is this underlay suitable for?+
This 1.5m x 2.1m underlay generally works well with most wood, laminate, vinyl and some carpet types. However, check the product description for specific recommendations relating to density and thickness – a denser underlay may be preferable with softer carpets.
How much does this size of underlay cover?+
Approximately 10 square meters is a reasonable estimate for this 1.5m x 2.1m roll, but exact coverage depends on how efficiently you cut it to fit your room dimensions. It’s always best to slightly overestimate to avoid shortages.
What are the common materials used in this underlay?+
You'll typically find this size of underlay made from foam (polyurethane or polyethylene) or felt, often with a layer of cork for added acoustic dampening. The product listing will detail the exact material composition.
Do I need to cut this roll to fit my room?+
Yes, you’ll almost certainly need to cut this 1.5m x 2.1m underlay to fit your specific room dimensions and floor layout. Measure carefully before cutting to minimize waste.
How does the thickness of the underlay affect performance?+
A thicker underlay generally provides better cushioning and sound insulation, but it can also create a greater step up from the finished flooring surface. Consider your needs for comfort and noise reduction when selecting a thickness level.
What’s the best way to install this underlay?+
Roll out the underlay evenly across the floor, working outwards from a central point to avoid wrinkles. Use a roller to ensure it's firmly pressed into the subfloor for optimal performance and stability – follow manufacturer instructions.
Can I use this underlay underneath carpet tiles?+
Yes, this 1.5m x 2.1m underlay can be used with carpet tiles, but a slightly thicker underlay may provide improved comfort and noise reduction beneath the pile of the tiles.
Is it possible to return this item if it doesn't fit?+
Please refer to Amazon’s standard returns policy for information regarding returns on flooring accessories – check their terms for eligibility criteria and timeframe.
What is the typical lifespan of a foam underlay like this?+
With proper care, a good quality foam underlay can last 10-20 years. However, performance can be affected by heavy foot traffic and potential damage – regular checks are recommended.
How does this size relate to the common roll sizes available?+
This 1.5m x 2.1m roll is a frequently used size for smaller to medium-sized rooms, offering a good balance between coverage and cost compared to larger rolls.