When it’s time to replace your old carpet, one question that comes up a lot is: “Can I reuse my carpet underlay?” At first glance, it seems like a great idea – saving money, reducing waste, and being kinder to the environment. But before you make the call, there are a few important things to consider.

Here’s our guide to help you figure out if reusing your carpet underlay is the right move, straight from us at Frank’s The Flooring Store.

What’s the Deal with Carpet Underlay?

Carpet underlay might not be something you think about much, but it plays a big role in how your carpet looks and feels. Here’s what it does:

  • Adds comfort underfoot – because who doesn’t love a soft landing?
  • Provides insulation – keeping your toes warm in winter.
  • Reduces noise – especially handy in busy homes.
  • Protects your carpet – absorbing the brunt of everyday foot traffic and extending its lifespan.

Underlay comes in different materials, from foam and rubber to felt and recycled fibres. The material and quality determine how long it lasts and how well it performs over time.

How to Check If Your Carpet Underlay Can Be Reused

Not all underlay is created equal, and it doesn’t last forever. Before you reuse yours, take a good look at its condition. Here’s what to check:

1. How Old Is It?

Carpet underlay usually lasts between 10 and 20 years, depending on foot traffic and quality. If yours is nearing the end of its lifespan, it’s probably best to replace it.

2. Look for Wear and Tear

Check for signs of damage like thinning, compression, or areas that look flat and tired. High-traffic zones, like hallways and living rooms, are where wear and tear shows up first.

3. Check for Stains and Smells

Underlay is great at absorbing spills – but not so great at letting them go. If it’s got stains, mould, or an unpleasant smell, it’s time for a fresh start. You don’t want your lovely new carpet picking up old odours.

4. Watch for Moisture Damage

Damp underlay is a big no-no. Moisture can lead to mould and mildew, which isn’t just bad for the carpet – it’s bad for your health, too. If you spot any damp patches, it’s time to say goodbye to the old underlay.

The Benefits of Reusing Carpet Underlay

If your underlay passes all the checks and looks good as new, there are some solid perks to reusing it:

1. Save Money

Let’s face it – replacing carpets can add up. Reusing your underlay can save you a fair bit of cash, especially if it’s high-quality stuff that’s still in great shape.

2. It’s Better for the Planet

Reusing underlay means less waste heading to landfill and less demand for new materials. If you’re looking for a greener option, this is a big win.

3. Speed Up Installation

If the underlay’s staying put, it means less prep work for the installers. That can save time and hassle when you’re getting your shiny new carpet fitted.

The Downsides of Reusing Carpet Underlay

Of course, there’s a flip side to reusing underlay, and it’s worth weighing up the risks:

1. Reduced Performance

Old underlay might have lost its bounce and support over time. Reusing it could mean your new carpet doesn’t feel as comfy or perform as well as it should.

2. Hidden Problems

Underlay might look fine at first glance, but underneath it could be hiding damage, flattened areas, or even mould. If you miss these issues, you’ll notice them pretty quickly once your new carpet is down.

When You Should Replace Your Carpet Underlay

There are times when reusing underlay just isn’t worth the risk. Here’s when you should absolutely replace it:

  • It’s worn out: If the underlay is thin, flat, or damaged, it won’t support your new carpet properly.
  • It’s stained or smelly: Mould, mildew, or lingering odours are signs you need to start fresh.
  • You’re upgrading your carpet: If you’re investing in something top-notch, like a plush, high-quality carpet, pair it with new underlay to get the full benefit – better comfort, insulation, and lifespan.

The Bottom Line: Should You Reuse Your Carpet Underlay?

Reusing your underlay can be a great option if it’s in good condition. You’ll save money, reduce waste, and speed up the installation process. But it’s not always the best choice – worn, damaged, or old underlay won’t do your new carpet any favours.

If you’re unsure, speak to the team at your local Frank’s. We’re always happy to give you straightforward advice. If it’s good to reuse, we’ll tell you. And if you’re better off replacing it, we’ve got plenty of affordable, high-quality underlay options to keep your carpet looking and feeling brill for years to come.

Got a question? Ask Frank!