No linear meters. No after-the-fact charges. We determine your fixed price upfront based on photos. That way, you know exactly what to expect — with no surprises afterward.
No surprises—just clear language and smooth contact via WhatsApp.
We treat everyone equally. No hidden costs. You pay exactly the same fixed price as your Dutch neighbors.
We use only premium Ottoseal® sealant and we take our time for a result that deserves to be seen.
We schedule quickly, work precisely, and always leave your home or business neat and clean.
Not good enough? We fix it. Period.
Curious about our 2-year warranty, removing old sealant, or choosing the right sealant colour? Go to the FAQ →
Our specialties in the Amsterdam metropolitan region.
The perfect balance between design and waterproofing. We deliver clean lines that fit your tiles and sanitary ware.
The invisible protection of your dream kitchen. Hygienic, food-safe, OTTOSEAL® quality and neatly finished along your worktop.
The perfect finish for your interior. From skirting boards to ceilings: we create sharp, seamless lines for a unified look.
Keep drafts, moisture and mould out. We provide durable sealing that lasts for years.
Reset your bathroom to new. We remove old sealant, deep-clean the surface and apply a fresh, mould-resistant line.
Not sure about leakage or mould? No guessing. We can visit or review photos for honest advice.
You don’t just let anyone into your home. We understand that better than most. That’s why De Kitbaas is more than a contractor; we are your specialist in detail finishing.
We see leaks and mould all the time due to rushed work and cheap materials. At De Kitbaas we take the time to get it perfect, we only use premium (Ottoseal) materials and we bring over 10 years of experience.
We work in your home. We treat it with respect, work neatly, clean up after ourselves, and leave everything fresh when we leave.
Whether it’s a single sink or a complete new-build home in Amstelveen: we work exclusively with premium brands and always provide a 2-year guarantee.
What our customers say about us.
A selection of completed projects.
Practical tips on clean finishing, preventing mould, and sealant that actually lasts. View all articles →
The secret to a perfect line between wall and ceiling? Seal first, then paint.
Why a thick bead of sealant moulds faster than a slim, tight joint in the bathroom.
Heat and grease are sealant’s worst enemies. Here’s how to make the joint behind your hob stay put.
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