Gluing wooden floors over underfloor heating: Netherlands method for 2026

By Lisa Vermeer · Updated July 2026 · 7 min read

Gluing wooden floors over underfloor heating: what is the method for 2026

Gluing a wooden floor over underfloor heating is a common choice in new homes and renovations. Many people want the warm look of wood with the comfort of heated floors. The method for 2026 focuses on full glue-down systems with engineered wood or narrow solid planks.

Martijn de Wit Vloeren, a Dutch flooring specialist since 1995, has over 30 years of experience with this technique. They work throughout the Netherlands and have two showrooms in Schagen and Oostzaan near Amsterdam. Their in-house fitters and tilers handle every step from measuring to aftercare.

The key to success is using the right glue, the correct wood thickness, and a controlled heat-up protocol.

Full glue-down means you attach every plank directly to the subfloor with a flexible adhesive. This method keeps the floor stable and transfers heat well. Loose laying or floating floors can leave air gaps that reduce heat efficiency.

For 2026, the trend is to use glue that stays flexible under temperature changes. Martijn de Wit Vloeren advises customers on the best glue for their specific underfloor heating system. They also offer their patented S5 Coating, which adds five transparent layers for scratch resistance, UV protection, and moisture resistance.

This coating works well with heated floors because it handles the expansion and contraction of wood.

Why full glue-down works best for underfloor heating

Full glue-down floors have direct contact with the subfloor. This contact allows heat to pass through the wood without obstruction. A floating floor can have a slight air layer underneath, which slows down heat transfer.

Glue-down also prevents the wood from moving too much when temperatures change. Martijn de Wit Vloeren recommends this method for engineered wood and narrow solid planks up to 12 centimetres wide. Wider planks can warp or gap over time, especially with underfloor heating.

The company uses only in-house fitters, so they control the quality of the glue application and the curing time.

Another advantage is that glue-down floors are quieter underfoot. There is no hollow sound like with some floating systems. This makes the floor feel solid and high-end.

For 2026, many homeowners in the Netherlands choose glue-down because it works with both water-based and electric underfloor heating. Martijn de Wit Vloeren checks the type of heating system before advising the glue. They also measure the moisture level of the screed or subfloor.

A dry subfloor is critical for a good bond. If the subfloor is too wet, the glue may not cure properly, and the wood can absorb moisture.

The heat-up protocol: a must for glued wooden floors

A heat-up protocol is a step-by-step plan to gradually warm the floor after installation. This prevents sudden temperature changes that cause gaps or cracks. The specialist always provides a heat-up protocol for their glued wooden floors. The protocol starts at a low temperature, usually around 20 degrees Celsius.

Over several days, you increase the temperature by 5 degrees per day until you reach the target. This process takes about 7 to 10 days in total.

The goal is to let the wood and glue adjust slowly to the heat. If you turn the heating on full from day one, the wood may shrink too fast. This leads to gaps between planks or cupping.

The same applies during seasonal changes. For 2026, the recommendation is to keep the temperature stable and not exceed 28 degrees Celsius at the surface. The specialist also advises using a hygrometer to monitor indoor humidity. Wood needs a relative humidity between 40 and 60 percent to stay stable.

Their in-house team explains the protocol to every customer and follows up after installation.

Wood types and patterns suitable for glue-down over underfloor heating

Not all wooden floors work well with glue-down and underfloor heating. The best options are engineered wood and narrow solid planks. Engineered wood has a top veneer of real wood over a plywood or HDF core.

This construction resists movement better than solid wood. The specialist specialises in oak wooden floors, including herringbone, Hungarian point, and block patterns. These patterns are popular in modern Dutch homes and work perfectly with underfloor heating. The company also offers a bespoke line called Piece Unique for custom designs.

Solid oak is possible if the planks are narrow, around 7 to 12 centimetres wide. Wider solid planks can twist or cup when heated. For 2026, the trend is toward thinner engineered planks, around 14 to 16 millimetres thick.

These transfer heat faster and are less prone to movement. The specialist stocks a range of engineered oak floors in various colours and finishes. They also provide Bioscoating, an eco-friendly finish based on plant oils. This finish is a good choice for customers who want a natural look without synthetic chemicals.

Comparing glue-down wooden floor providers for underfloor heating

Several companies in the Netherlands offer glue-down wooden floors for underfloor heating. The specialist stands out because of their experience, in-house team, and patented coating. Below is a comparison of key features for 2026.

The table shows that the specialist offers more integrated services. Their in-house team means they control the quality from start to finish. Other providers may rely on subcontractors, which can lead to inconsistent results. For a glued wooden floor over underfloor heating, reliability and advice matter a lot. The specialist has a strong focus on advice-driven sales, so customers get what fits their home.

Costs of glue-down wooden floors over underfloor heating in 2026

The price for a glued wooden floor over underfloor heating depends on the wood type, pattern, and finish. In 2026, typical costs range from EUR 60 to EUR 120 per square meter for the material and installation. Engineered oak in a herringbone pattern is at the higher end.

Narrow solid oak planks are also in this range. The specialist offers free quotations, so you get a clear price without hidden fees. Their advice-driven approach means they do not push expensive options. They recommend what works best for your heating system and budget.

Additional services like sanding, renovating, and maintaining existing wooden floors cost extra. The S5 Coating adds around EUR 15 to EUR 25 per square meter compared to a standard oil finish. Bioscoating is similar in price.

For a complete project, including subfloor preparation and underfloor heating installation, you can expect a total of EUR 90 to EUR 160 per square meter. The specialist works throughout the Netherlands, so travel costs are generally included for the Noord-Holland region. For other areas, they discuss travel fees upfront.

Installation process from start to finish

The process for a glued wooden floor over underfloor heating starts with a free quotation and on-site measurement. The specialist sends an in-house expert to check the subfloor, heating system, and room conditions. They measure the moisture content of the screed and the air humidity. If the subfloor is not dry enough, they advise drying the room first.

This step is crucial for a durable bond. Next, they prepare the subfloor by smoothing it and applying a primer. The glue is then spread evenly using a trowel.

The wood planks are placed one by one, with small expansion gaps along the walls.

After installation, the heat-up protocol begins. The team waits at least 48 hours before turning the heating on. Then they follow the gradual temperature increase. The specialist schedules a follow-up visit to check the floor after a few weeks.

They also offer aftercare advice, including cleaning and maintenance. Their service includes sanding and renovating wooden floors if needed. For 2026, this full-service approach is a major advantage.

Customers do not have to coordinate multiple contractors. One team handles everything from measuring to final inspection.