Frequently Asked Questions (FAQ)
Planning a timber flooring project can raise a lot of questions, from floor sanding and restoration through to repairs, installation and ongoing maintenance. To help, we've answered some of the most common questions we receive from homeowners and businesses across South Sydney.
Browse the FAQs below or contact our team for personalised advice and a FREE on-site assessment.
Floor Sanding & Restoration
In many cases, timber floor sanding is worth considering before replacement. If your existing timber boards are structurally sound, professional sanding and restoration can remove surface scratches, worn coatings, dull patches and many stains while bringing the natural timber grain back to life.
Replacement is usually only needed when the floor has major structural issues, severe water damage, extensive rot, significant movement or large sections of damaged boards. For many South Sydney homes, especially older properties with quality hardwood flooring, restoration can deliver a beautiful result for a fraction of the cost and disruption of replacing the entire floor.
The best way to know is to have the floor professionally assessed. Transform Floors can inspect the condition of your timber flooring and recommend whether sanding, repairs, restoration or replacement is the most practical option.
Most standard residential floor sanding and polishing projects take around 2 to 5 days, depending on the size of the area, the floor condition, the level of preparation required and the finish selected.
The process usually includes preparation, rough sanding, finer sanding, edge sanding, gap filling or repairs where required, and the application of multiple layers of polish or polyurethane. Drying and curing times also need to be considered. Some coatings allow light foot traffic sooner than others, while full curing can take longer.
Larger homes, commercial spaces, staining work, complex repairs or high-build coating systems may require additional time.
Professional timber floor sanding usually requires several specialised machines. A drum sander is commonly used for rough sanding across the main floor area because it can remove old coatings, uneven surfaces and deeper wear efficiently.
Edge sanders are used around walls, corners and areas the drum sander cannot reach. Finer sanding machines are then used to refine the surface before coating. The right equipment matters because poor sanding can leave chatter marks, uneven surfaces or visible scratches under the final finish.
At Transform Floors, we use professional sanding systems and proven techniques to create a smooth, consistent surface before applying the selected floor finish.
Floor sanding can remove many surface scratches, scuff marks, worn coatings and shallow stains. It can also significantly improve the appearance of aged, faded or patchy timber floors.
However, very deep scratches, pet stains, black water marks or stains that have penetrated deeply into the timber may not disappear completely through sanding alone. In some cases, individual boards may need to be repaired, replaced or stained strategically to improve the final appearance.
A professional inspection helps set realistic expectations before work begins.
Gap filling can be an important part of timber floor restoration, especially when there are visible gaps between boards. Filling gaps can improve the appearance of the finished floor, reduce dirt build-up and create a cleaner, more uniform surface before polishing.
However, not every gap should automatically be filled. Timber naturally expands and contracts with humidity and temperature changes, so the approach depends on the size of the gaps, the flooring type, the age of the home and how much seasonal movement is expected.
A flooring specialist can assess whether gap filling is suitable for your floor or whether leaving some movement allowance is the better long-term option.
Most timber floor polishing projects involve multiple coats of finish, commonly around three coats depending on the coating system, timber type and desired durability. Polyurethane, water-based coatings, oil-based finishes and other systems all have different application and drying requirements.
Multiple layers help build protection, improve durability and enhance the appearance of the timber. The right finish should be selected based on your lifestyle, design preference, maintenance expectations and how much traffic the floor receives.
Homes with children, pets or high foot traffic may benefit from more durable coating systems.
Floor sanding can help create a cleaner indoor environment when old worn coatings, built-up grime, dust, trapped allergens and debris are removed from the floor surface. Scratches, worn finishes and gaps can collect dust over time, especially in older homes.
Once the floor is sanded, sealed and properly finished, the surface becomes easier to clean and maintain. This can be especially helpful for households wanting to reduce dust build-up compared with older carpet or badly worn timber surfaces.
For best results, floors should also be cleaned and maintained regularly after restoration.
There is no single timeframe for every home. Timber floors may need sanding and polishing every 10 to 15 years, but this depends on foot traffic, pets, sunlight exposure, cleaning habits, coating quality and how well the floors are maintained.
High-traffic areas such as hallways, kitchens and living rooms may show wear sooner than bedrooms. If your floor looks dull, scratched, patchy or hard to clean, it may be time to consider refinishing.
If the coating is only lightly worn, a maintenance coat may be possible. If the wear has reached the bare timber, full sanding and refinishing is usually required.
Timber Floor Installation
Timber flooring options may include solid timber flooring, engineered timber flooring, hardwood flooring and other wooden flooring systems depending on the property, subfloor and design goals.
Solid timber is valued for its natural character and ability to be sanded multiple times over its life. Engineered timber can offer greater dimensional stability and is often suitable for a wider range of installation conditions. The best choice depends on your subfloor, budget, appearance preference, moisture conditions and how the space will be used.
Transform Floors can help you compare flooring materials and choose the most suitable option for your home or business.
Timber is a natural product that responds to humidity and temperature. Acclimatisation is the process of allowing timber flooring to adjust closer to the expected in-service conditions of the building before installation.
However, acclimatisation is not always as simple as leaving boards on site for a fixed number of days. The correct approach depends on the timber type, supplied moisture content, site conditions, manufacturer instructions and expected indoor environment.
In many cases, solid timber flooring may need to be assessed for moisture content before installation. Some products may require acclimatisation, while others may be supplied close to the expected in-service moisture level and should be installed according to product guidance.
Timber flooring moisture content is one of the most important factors in a successful installation. As a general industry guide, hardwood flooring in many Australian conditions is often expected to be within approximately 9% to 14% moisture content, depending on the region, species and expected in-service environment.
If timber is installed with moisture content that is too high or too low for the home, it may expand, shrink, cup or develop gaps after installation. That is why moisture testing, subfloor checks and site assessment are important before installing timber flooring.
Australian timber product standards and industry guidance help inform moisture expectations, but the final decision should always consider the actual site conditions.
Yes. Timber flooring generally requires expansion gaps because timber naturally expands and contracts as humidity and temperature change. Without adequate allowance for movement, floors can buckle, press against walls or develop performance issues.
A common practice is to allow expansion space around the perimeter of the floor and at fixed points such as walls, columns and doorways. In many installations, a gap of around 12mm may be used, but the exact requirement depends on the flooring product, room size, installation method and manufacturer specifications.
Professional installation helps ensure movement allowance is planned correctly from the beginning.
Yes, timber flooring can often be installed over concrete or plywood, but the subfloor must be properly assessed and prepared first. Subfloors should be clean, dry, flat and structurally sound before installation.
Concrete subfloors usually require moisture testing and may need a suitable moisture barrier or underlay system. Plywood subfloors must be secure, level and appropriate for the selected flooring system. If the subfloor is uneven, damp or unstable, the finished floor may move, creak, cup or fail prematurely.
Proper subfloor preparation is one of the most important steps in long-lasting timber floor installation.
Before floor sanding or installation begins, furniture and loose items should be removed from the area. For sanding projects, protruding nails should be punched below the surface so they do not damage sanding equipment. Existing floor coverings, staples, adhesives or damaged trims may also need to be removed.
For installation, the subfloor should be checked for flatness, dryness, cleanliness and structural condition. Any moisture issues, damaged boards, uneven areas or loose sections should be addressed before work begins.
Good preparation helps achieve a better finish and reduces the risk of future flooring problems.
Floor Finishes & Maintenance
Matte, satin and gloss finishes mainly differ in appearance and light reflection.
Matte finishes create a soft, modern look with minimal shine. They can be a good choice for contemporary homes and may help hide minor dust and surface marks.
Satin finishes offer a balanced appearance with a gentle sheen. This is one of the most popular options because it provides warmth, elegance and practicality.
Gloss finishes create a highly reflective look that can highlight timber grain and make a floor feel more formal. However, gloss surfaces may show scratches, dust and imperfections more easily.
The best finish depends on your design style, lighting, lifestyle and maintenance expectations.
Sydney homes experience humidity and temperature changes throughout the year, and timber flooring responds to those changes. In higher humidity, timber can absorb moisture and expand. In drier conditions, timber can release moisture and shrink.
This is why moisture content, acclimatisation, expansion gaps, subfloor condition and indoor humidity control are so important. Maintaining a relatively consistent indoor environment can help minimise timber expansion and contraction over time.
Simple steps such as good ventilation, prompt cleaning of spills, avoiding excessive moisture during mopping and using climate control during very humid periods can help protect timber floors and extend their lifespan.