window Windows & frames • Insulation & finish • Inside & outside

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Keep the warmth in and the weather out

Insulation • Clean finish • Inside & Outside

Rattling windows or cold drafts? Worn sealant lines are often the cause. Not just uncomfortable — it also increases heating costs.

We provide wind- and water-tight sealing of your frames and glazing. Inside for a clean, paint-ready finish; outside for protection against Dutch weather.

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Clear advice

We look at the whole connection, not just the sealant. Honest advice on what helps.

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No ladder needed

Take a few photos from the ground and we’ll assess it.

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Save energy

Good sealing keeps warm air inside — better comfort and lower bills.

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Weatherproof

We use professional exterior sealant that withstands UV, rain and frost.

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2-year warranty

On adhesion and water-tightness.

First get a price, then decide

Price depends on meters and accessibility (ground floor or 3 floors up?). Tip: send a wide photo of the facade or window. We can see immediately if we need a ladder or scaffold.

View prices & packages

Why our kit company (kitbedrijf) treats inside and outside differently

A frame requires a specific approach. We use the right material for each side:

Inside (finish & visibility)

We often use Anti-Crack acrylic between frame and wall. It looks super clean and can be painted over.

Outside (protection & flexibility)

We use high-quality glazing sealant or hybrid sealant. It stays elastic, doesn’t crack, and keeps water out.

What do we handle?

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Replace glazing sealant

The sealant directly against the glass. We replace old, cracked sealant with a clean modern line.

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Frame joint outside

The joint between the frame and the exterior wall. Essential to keep rainwater out of the cavity.

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Frame joint inside

The joint between frame and plaster/wallpaper. Removes drafts and creates a clean visual finish.

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Remove old residue

Old sealant, putty or silicone? We remove everything cleanly before resealing.

Recognize the signals

Not sure if it’s needed? Check your frames for:

  • check_circleDrafts: you feel cold air along the frame.
  • check_circleCracks: the sealant line is broken or pulling away from the glass.
  • check_circleMoisture: you see damp spots or condensation inside (watch for wood rot).
  • check_circleGreen growth: moss or algae in joints (sign of trapped moisture).

How it works

  1. photo_cameraPhoto & situation: send a photo and tell us if it’s accessible or needs a ladder.
  2. calculateProposal: we estimate meters and work and send a clear price.
  3. eventExecution: clean work inside, safe work outside.
  4. thermostatComfort: no rattling, no drafts — just a well-maintained home.

Ready for a clean result?

Fill in the form or send us a WhatsApp message. Don’t feel like typing or measuring? Send a few photos via WhatsApp and we’ll handle the rest.

Photos help us answer your question better.

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FAQ — Windows & Frames

Do you work at height? expand_more
Yes, but we need to know. For higher work we may need scaffolding or a lift. Send a facade photo and we can assess it.
Does sealing reduce outside noise? expand_more
Yes. Where drafts come through, noise comes in too. A good seal makes your home quieter.
Can I clean the windows after sealing? expand_more
Wait a bit. Surface dry is around 24 hours; full cure takes longer. We advise you after the job.
Do I need to paint after sealing? expand_more
Outside we often use color-matched sealant that doesn’t need painting. Inside we use paintable sealant. We align this beforehand.
Do you provide a warranty? expand_more
Yes, 2-year warranty on water-tightness and adhesion.
📸 Send photo & get price