Everything You Should Know About Installing Waterproof LVT in Bathrooms

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Bathrooms demand flooring that can handle constant moisture, splashes, and changes in temperature. Luxury vinyl tile (LVT) has become a popular choice because it combines style with practical performance. It offers a waterproof surface that protects against damage while still giving the space a modern and attractive finish.

Installing LVT in a bathroom, however, requires more than just choosing the right product. The way it is prepared, fitted, and sealed makes the difference between a floor that lasts for years and one that fails too soon. This guide explains what to know before starting, from subfloor preparation to sealing edges, so every step supports a durable and water-resistant result.

Choose 100% waterproof LVT with a rigid core for optimal bathroom durability

Bathrooms need flooring that can handle constant moisture, and 100% waterproof LVT with a rigid core is one of the best choices. The rigid core adds strength and stability, which helps the planks stay in place even in damp conditions. This design reduces the risk of swelling or warping.

A rigid core often contains stone or composite materials that give the floor extra durability. This makes it suitable for high-traffic bathrooms where water exposure is frequent. At the same time, it provides a comfortable surface underfoot.

The layered structure of waterproof LVT flooring also includes a wear layer that resists scratches and stains. This feature makes it easier to maintain a clean and fresh look over time.

For those wanting both function and style, waterproof LVT flooring comes in a wide range of wood and stone effects. This allows homeowners to match the bathroom design while still protecting against water damage.

Guarantee proper subfloor preparation to prevent moisture issues and uneven surfaces

A waterproof LVT floor in a bathroom depends on a sound base. The subfloor must be clean, level, and dry before installation. Any dirt, old adhesive, or loose material can interfere with the fit and stability of the planks.

Moisture is one of the main risks in bathroom floors. Therefore, the subfloor should be tested for dampness and inspected for signs of water damage. A moisture barrier may be added if the surface shows a higher risk of exposure.

Uneven spots can cause gaps, lifted edges, or squeaks over time. Levelling compounds or patching materials help create a smooth and stable surface. This step prevents movement under the LVT and supports a longer-lasting finish.

Small cracks, holes, or damaged areas should be repaired before laying the floor. By addressing these issues in advance, the installation process becomes easier and the floor performs as expected. Proper preparation saves time and reduces future problems.

Use waterproof adhesive or opt for click-lock installation methods to maintain water resistance

Bathrooms expose floors to frequent moisture, so the installation method plays a big role in long-term performance. Two common choices include using a waterproof adhesive or selecting a click-lock system. Both approaches help protect the floor from water damage.

A glue-down method with waterproof adhesive creates a firm bond between the planks and the subfloor. This reduces movement and limits gaps where water could seep through. It suits areas that see heavy use and frequent splashes.

Click-lock flooring, on the other hand, connects planks together without adhesive. The tight joints form a floating floor that resists water penetration. This method also makes repairs or plank replacement easier because no glue holds the pieces in place.

Both methods require proper subfloor preparation. A clean, level surface prevents uneven seams and helps maintain the water-resistant qualities of the floor. Therefore, choosing the right approach depends on the bathroom layout, expected use, and personal preference.

Carefully cut and fit LVT around bathroom fixtures to avoid gaps and water ingress

Installing LVT in a bathroom requires precise cuts around toilets, sinks, and pipe openings. Any gaps left unsealed can allow water to seep beneath the surface, which may damage the subfloor over time. Proper fitting reduces this risk and creates a cleaner finish.

To achieve a close fit, many installers trace the outline of the fixture onto the plank and then cut along the line with a utility knife. For curved areas like a toilet base, scoring and snapping small sections helps form a neat edge. This method avoids forcing the plank into place, which could cause cracks.

An expansion gap of about 6 mm should remain around fixtures, just as it does along walls. This space allows the floor to move naturally without buckling. However, the gap should be covered with silicone sealant or trim to prevent water from entering.

Taking time to measure carefully before each cut reduces waste and leads to a more accurate result. It also makes the finished floor look more professional and easier to maintain.

Seal edges and transitions with appropriate waterproof sealant to protect against moisture

Edges and transitions often allow water to seep under the flooring if left unsealed. A waterproof sealant creates a barrier that blocks moisture from reaching the subfloor. This step helps maintain the integrity of the installation over time.

It is important to focus on areas where the floor meets walls, tubs, showers, or doorways. These points are more exposed to splashes and standing water. Applying sealant here reduces the risk of swelling or lifting.

A flexible waterproof sealant works best because it can move slightly with the floor. This prevents cracks from forming along the joints. Therefore, the seal remains intact even with regular use.

After applying the sealant, allow it to dry fully before using the bathroom. Following the product instructions for drying time gives the best results. Regular checks and small touch-ups can also help maintain protection against moisture.

Conclusion

Waterproof LVT offers a practical and durable flooring choice for bathrooms, as it resists moisture and holds up well under daily use. It also provides a wide range of designs that suit both modern and traditional spaces.

Proper preparation of the subfloor and careful installation help the planks last longer and perform as intended. Small details, such as sealing edges and leaving the right expansion gap, make a noticeable difference in results.

With the right product and correct installation steps, homeowners gain a bathroom floor that looks appealing, handles water exposure, and requires little upkeep.

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