Dilatatieprofiel/Vloerstrip 38mm Eiken Rood 40019 natuur The biggest advantage of this

The biggest advantage of this XL format herringbone over the Whalebone PVC versions is that almost anyone can relatively easily install Whalebone laminate themselves

Then the Floer Contactless Underlay might be what you need

or even the basement

They are completely water-resistant

Dilatatieprofiel/Vloerstrip 38mm Eiken Rood 40019 natuur The biggest advantage of thisThis expansion joint profile is self adhesive and made of anodized aluminum. This specific expansion joint profile, also sometimes called a floor strip, is 38 mm wide, 200 cm long, and available in more than 175 foil colors. Ideal for smoothly transitioning between, for example, two different floors.