Essential Steps for Prepping Subfloors Before Installing Floating Floors
- Imperial Flooring Australia
- 6 hours ago
- 3 min read
Preparing subfloors for floating floor installation is a critical step in achieving a beautiful and long-lasting flooring result. Whether you're a DIY enthusiast or a seasoned professional, a well-prepared subfloor sets the stage for a successful project. In this blog post, we will explore key steps you need to ensure your subfloors are ready for floating floor installation.
Understanding Floating Floors
Floating floors are a popular choice among homeowners and contractors because of how easy they are to install and their versatility. Unlike traditional flooring options, floating floors are not attached directly to the subfloor. Instead, they "float" on top by interlocking with one another. This unique installation requires properly prepared subfloors to avoid issues like moisture damage, uneven surfaces, and noise. Types of Floating Floors that Imperial Flooring Australia supply
Engineered Timber Flooring (Plank Pattern Only)
Step 1: Assess the Condition of the Subfloor
Before starting your installation, assess the condition of your existing subfloor. Look for cracks, holes, or significant imperfections that could affect the flooring's integrity. Identify the type of subfloor you have, as some materials, like concrete, require specific treatment.
Additionally, inspect for signs of excess moisture or water damage. For example, a darkened area on a concrete slab might indicate past leaks. If you spot anything, address the concerns promptly, as ignoring them can shorten the life of your flooring.
Step 2: Clean the Subfloor Thoroughly
Once you have assessed the condition, the next step is to clean the subfloor thoroughly. Sweeping and vacuuming should help you remove dust, dirt, and debris, creating an optimal environment for installation. Pay special attention to old adhesive residue from previous flooring; if you overlook this, it can interfere with your new flooring.
A clean subfloor not only promotes better adhesion but also decreases the chance of contaminants affecting your new floating floor.
Step 3: Check for Flatness Subfloor Levelness
An uneven subfloor can cause many problems later on, such as squeaks, gaps, and even damage to your floating floor. Use a leveling tool, like a carpenter’s level or a laser level, to check if your subfloor is flat. A level subfloor should have no more than a 3mm over 3metre flatness tolerance.
If you find low spots or dips, fill them with floor self-leveling compound. This will ensure a smooth surface for your floating floor, reducing post-installation woes.
Step 4: Address Moisture Concerns
Moisture remains one of the main threats to floating floors. Too much can lead to warping, mold, and even flooring failure. If you find areas with high moisture, act immediately. UtiliSing a moisture barrier barrier can be an effective way to safeguard your new flooring from future moisture issues.
Step 5: Choose the Right Underlayment
Selecting the correct underlayment is essential for enhancing the performance of your floating floor. Underlayment serves several functions: it provides cushioning, moisture protection, and reduces sound transmission.
For example, foam underlayment is often used and can help reduce impact noise by up to 50%.
Step 6: Acclimate Your Flooring
Before installation, let your new floating floor material acclimate. This allows the planks to adjust to the room's temperature and humidity. It is generally advised to let the flooring sit in the installation space for at least 48 hours.
This step is crucial to minimizing issues with expansion or contraction once the installation is complete, ensuring a smoother finish.
Step 7: Plan Your Installation Layout
Take the time to plan your layout effectively before laying down your floating floor. Think about the direction of the planks and how they will flow through the space. For the best visual impact, install the planks parallel to the longest wall or the main source of light.
Mark your starting point carefully, ensuring proper expansion gaps along the edges. This will prevent issues as the temperature and humidity fluctuate.
Final Thoughts
Prepping your subfloors before installing floating floors cannot be overlooked. Each step—from assessing the condition of the subfloor to planning the layout—plays a crucial role in the success of your flooring project. By following these essential steps, you ensure that your floating floor installation will be both beautiful and durable for years to come.
Investing time and effort into proper preparation helps you avoid common pitfalls and enhances performance. In return, you will enjoy a stunning and functional flooring environment in your home or workspace.

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