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Man in a white hard hat and a green polo shirt with the Stevig Kitwerk logo, standing on a paved walkway in front of a modern brick office building with dark window frames.

For contractors and construction companies

Sealant work that will not hold up your handover

Sealant work is the last thing to happen and the first thing you notice when it is not right. We come in as a subcontractor, cover the metres and hand over with videos you can drop straight into your file.

  • Since 1959

    Experience and craftsmanship from Utrecht

  • Clear communication

    Short lines, clear agreements

  • 100% satisfaction

    We only leave once you are satisfied

  • Lasting quality

    Top-quality materials for a long-lasting result

The sticking point

Sealant work is a classic handover snag

A joint that does not run through, a corner that has not been neatly finished, sealant sitting on a dirty substrate: small things that grow large on a snag list. And since the Dutch Building Quality Assurance Act (Wet kwaliteitsborging voor het bouwen) you have to show at handover what has been carried out, not just that it is finished.

So we document as standard. You get videos of the joints we have done and the details of the sealant used, including product data sheets if you need them. No extra cost, no hassle afterwards.

At handover you get

  • A video report per building section or facade
  • An overview of the sealant types used per application
  • Technical product data sheets on request
  • A 2-year guarantee statement
  • A snag list if anything is still open

What we do

Where we work on a project

  • Expansion and movement joints

    Concrete, masonry, precast elements and sandwich panels. Joints that have to accommodate movement and keep doing so for years.

  • Facade and window frame connections

    Aluminium, plastic and timber. Connection joints between window frame and facade, facade elements and timber frame panels (HSB).

  • Glazing

    Glazing sealant for single, HR++ and triple glazing. Glazing beads and putty that is being replaced with sealant.

  • Sanitary fittings at handover

    Sealing bathrooms, toilets and kitchens before the keys change hands. Mould-resistant and neatly finished.

  • Floor connections

    Perimeter sealing, expansion joints, stair finishing, skirting boards and transitions between floor bays.

  • Natural stone and ceramics

    With sealant that does not stain the edges. On marble or granite, the wrong sealant cannot be put right.

Being honest

Fire-resistant work goes in as a system

We do apply fire-resistant joints. A joint or penetration seal like that only works as a tested system: a particular sealant, in a particular build-up, in a particular wall, applied in line with the matching specification. Which system goes in therefore depends on the wall and the fire resistance you need. If the system is named in your specification, pass the number on with your request, and you will know where you stand up front.

Arrangements

How we contract

  1. Contract for work

    We manage ourselves and deliver a result. Not an agency worker under your supervision, so no discussion about hired labour.

  2. VAT reverse-charged

    For physical work on site we invoice without VAT, stating "VAT reverse-charged". Exactly as the scheme requires.

  3. Unit prices per joint type

    With tiers based on volume. Extra work only goes ahead once you have agreed to it, never quietly on the final invoice.

  4. One foreman as your point of contact

    Who coordinates with your site manager and handles the handover. Not a different face on site every week.

Would you like our details in your supplier portal? Send the form to info@stevigkitwerk.nl. What we do and do not have in the way of paperwork is set out honestly on the business page.

Stevig Kitwerk.Watertight results.

Chat with Kitty, or message us on WhatsAppClose

Kitty

AI assistant of Stevig Kitwerk

Kitty, the mascot of Stevig Kitwerk: a white robot with a green cape and a sealant gun

Kitty

Kitty chats in Dutch. Prefer English? Use WhatsApp or e-mail below.

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Send us an e-mail

Tell us where you are, how many metres it is and what needs doing. A photo of the spot helps most.

info@stevigkitwerk.nl

We reply within 15 minutes on working days.

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