---
product_id: 635273704
title: "Smoothfit 5mm Sonic Gold Underlay Acoustic and Insulation Underlay for Wood or Laminate Flooring Barrier Plus Insulation Foil Damp Proof Membrane Underlayment (1metres x 7.5metres (3ft 3\" x 24ft 6\"))"
brand: "floorpro"
price: "₨3297"
currency: SCR
in_stock: true
reviews_count: 3
category: "Floor Pro"
url: https://www.desertcart.sc/products/635273704-smoothfit-5mm-sonic-gold-underlay-acoustic-and-insulation-underlay-wood
store_origin: SC
region: Seychelles
---

# Thermal & acoustic insulation Gold foil damp proof membrane 5mm thickness for durable support Smoothfit 5mm Sonic Gold Underlay Acoustic and Insulation Underlay for Wood or Laminate Flooring Barrier Plus Insulation Foil Damp Proof Membrane Underlayment (1metres x 7.5metres (3ft 3" x 24ft 6"))

**Brand:** floorpro
**Price:** ₨3297
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your floors with the golden standard of comfort and protection!

## Quick Answers

- **What is this?** Smoothfit 5mm Sonic Gold Underlay Acoustic and Insulation Underlay for Wood or Laminate Flooring Barrier Plus Insulation Foil Damp Proof Membrane Underlayment (1metres x 7.5metres (3ft 3" x 24ft 6")) by floorpro
- **How much does it cost?** ₨3297 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/635273704-smoothfit-5mm-sonic-gold-underlay-acoustic-and-insulation-underlay-wood)

## Best For

- floorpro enthusiasts

## Why This Product

- Trusted floorpro brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Comfort & Quiet:** Smooths subfloor imperfections while reducing noise and retaining heat.
- • **Generous Coverage:** Covers 7.5 square meters—ideal for mid-sized rooms without gaps.
- • **Damp-Proof Defense:** Gold foil membrane shields your floors from moisture damage.
- • **All-Floor Compatibility:** Perfectly pairs with all laminate and wood flooring types.
- • **Effortless Installation:** Cut and fit with ease—no brittle edges, no hassle.

## Overview

The Smoothfit 5mm Sonic Gold Underlay is a premium acoustic and insulation underlay designed for laminate and wood floors. Featuring a gold foil damp proof membrane, it effectively protects against moisture while smoothing minor subfloor imperfections. Its 5mm thickness provides superior thermal and sound insulation, enhancing comfort and durability across 7.5 square meters of coverage.

## Description

This 5mm underlay is suitable for use with all laminate and wood floors, featuring a gold foil DPM (Damp Proof Membrane) making it ideal for areas where damp may be an issue. This Laminate & Wood Underlay will also help to even out minor subfloor imperfections as well as offering thermal and acoustic insulation. Reminder: You will need to join the seams of this underlay with Barrier Pro X Tape.

Review: The perfect underlay for laminate flooring. - Don’t waste your time with cheap underlay that is brittle and is hard to cut. This stuff makes the job far much easier!
Review: Perfect. - I have actually used this underneath some linoleum in my bathroom and under carpeting in some rooms. Really good buy. It helps to smooth out any irregularities with floorboards.

## Features

- Underlay Suitable For All Laminate & Wood Underlay
- 5mm Thick
- Gold Foil Damp Proof Membrane
- Successfully Evens Out Minor Subfloor Imperfections
- Provides Thermal & Acoustic Insulation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D49DXYGH |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 128,691 in DIY & Tools ( See Top 100 in DIY & Tools ) 424 in Flooring Accessories |
| Colour | Gold |
| Coverage | 80.73 square_feet |
| Customer Reviews | 4.4 4.4 out of 5 stars (17) |
| Date First Available | 16 May 2024 |
| Manufacturer | FloorPro |
| Product Dimensions | 750 x 100 x 100 cm |
| Size | 1metres x 7.5metres (3ft 3" x 24ft 6") |

## Product Details

- **Brand:** FloorPro
- **Item thickness:** 0.01 Metres
- **Material:** Foil
- **Product dimensions:** 7.5L x 1W metres
- **Recommended uses for product:** Thermal Insulation, Sound Insulation

## Images

![Smoothfit 5mm Sonic Gold Underlay Acoustic and Insulation Underlay for Wood or Laminate Flooring Barrier Plus Insulation Foil Damp Proof Membrane Underlayment (1metres x 7.5metres (3ft 3" x 24ft 6")) - Image 1](https://m.media-amazon.com/images/I/917HNEGXHaL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ The perfect underlay for laminate flooring.
*by A***D on 2 March 2025*

Don’t waste your time with cheap underlay that is brittle and is hard to cut. This stuff makes the job far much easier!

### ⭐⭐⭐⭐⭐ Perfect.
*by B***. on 10 November 2024*

I have actually used this underneath some linoleum in my bathroom and under carpeting in some rooms. Really good buy. It helps to smooth out any irregularities with floorboards.

### ⭐⭐⭐ Its great but a bit pricey found cheaper for 2x the sqm2
*by V***S on 2 February 2025*

Its great nothing bad but the price could be cheaper…

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**Shop now:** [https://www.desertcart.sc/products/635273704-smoothfit-5mm-sonic-gold-underlay-acoustic-and-insulation-underlay-wood](https://www.desertcart.sc/products/635273704-smoothfit-5mm-sonic-gold-underlay-acoustic-and-insulation-underlay-wood)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-15*