Expert Guidance on Renovating an Old Wood Sub-Floor for Vinyl Flooring
Dare to undertake a major renovation project? If your master bedroom sub-floor, located on the second floor, is 47 years old and in a state of disrepair with cracks and chips, you might be tempted to consider pouring a thin layer of concrete to create a smooth and even surface. However, does this approach make the floor too heavy, leading to countless issues down the line?
The Realities of a 47-Year-Old Wood Sub-Floor
When a sub-floor is 47 years old and visibly cracked and chipped, it’s a clear sign of significant movement and flex within the structure. Imagine the stress placed on a thin layer of concrete in such a condition; it would simply crumble under pressure. To avoid further damage, it’s important to understand the limitations and potential risks associated with adding concrete to your existing wooden sub-floor.
The Safer Alternative: Using Underlayment
Given the condition of your sub-floor, the safer and more effective alternative is to use a 6mm flooring ply or flooring hardboard. This type of underlayment can be stapled down, providing a stable base for vinyl flooring. After applying this underlayment, it is essential to install a cementitious product specifically designed for wooden floors, after ensuring all coatings such as wax have been removed.
Why Not Instant Concrete?
There is no such thing as “instant concrete” and any attempt to use it without proper preparation would likely result in failure. Timber floor levellers may flow through downlights, electrical sockets, and any other gaps, posing additional risks. Moreover, products other than timber levellers are prone to popping off when the floor expands. This marks a stark warning against attempting to use thin layers of concrete over a wooden sub-floor.
Expert Recommendations
The recommended approach is to use a thinner layer of epoxy, which is both lighter and stronger than thin concrete. Epoxy is less likely to chip and crack and provides a more stable and adaptable surface for vinyl flooring. Before proceeding with any renovation, it is crucial to engage the services of a structural engineer for an inspection. Failure to do so and allowing the floor to collapse could void your insurance, and obtaining a building permit without a structural report is improbable.
Preventive Measures
Considering the integrity of the sub-floor as a priority, you should focus on preventive measures rather than corrective actions. Address issues early and brace the floor to ensure long-term stability. This could save you from costly and risky renovations later on.
Common Misconceptions and Solutions
Many homeowners share the misconception that concrete sub-floors are the best choice. However, evidence suggests that proper leveling can be achieved through the use of patching compounds, which are safe to apply and can level the floor effectively. These patches will dry, allowing you to sand the surface smooth before installing the vinyl flooring.
In conclusion, when considering a 47-year-old wood sub-floor for vinyl flooring, it’s essential to weigh the pros and cons of different approaches. The best practice involves using a 6mm flooring ply or hardboard underlayment followed by a suitable cementitious product. Always consult a professional and take preventive measures to ensure your floor remains reliable and in great condition.
Conclusion
When dealing with an old, cracked, and chipped sub-floor, the safest and most practical approach is to use underlayment and cementitious products designed for wooden floors. For those hesitant about this method, consulting a structural engineer and considering preventive measures, such as bracing, can significantly enhance the safety and longevity of your flooring project.