Advice before the choice
We listen to your home, wishes and timing before suggesting products.
Clear answers
Frequently asked questions about windows and doors
An initial guideline on material, placement, comfort and maintenance. For a project-specific answer, we look at your home and wishes.
Should I choose PVC, aluminum or wood?
That depends on the desired appearance, span, maintenance expectations and budget. During the advice we compare the options for your project.
Can existing windows be replaced without major demolition work?
Often yes. After a technical measurement, we explain what disassembly, connection and interior finishing are required.
What different types of windows are there?
In addition to fixed windows, there are turn, tilt and turn windows, sliding windows, skylights and combinations. The best choice depends on light, ventilation, operation and available space.
What is the average lifespan of windows?
As an indication, high-quality PVC windows often last 35 to 45 years, wooden windows 30 to 50 years with proper maintenance and aluminum windows 40 to 60 years. Placement, use, environment and maintenance determine the actual lifespan.
How do I improve the insulation value of my windows?
Combine a well-insulating profile with high-efficiency or triple glazing and an airtight and watertight connection. Spacers, window division and ventilation concept also play a role.
Can I put together the design of my door myself?
Yes. We guide you in the choice of panel, color, glass, handle, direction of rotation and safety options.
Do you also install the interior finishing?
Yes. The desired finish is included in the quotation in advance, so that you know what is included.
What different types of doors are there?
Cose supplies front and back doors, sliding doors, doors with sidelights and fire-resistant doors in PVC, aluminum or wood. Function, style, insulation and safety determine the right design.
What is the average lifespan of an exterior door?
As an indication, PVC doors often last 35 to 45 years, wooden doors 30 to 50 years with proper maintenance and aluminum doors 40 to 60 years. Intensity, orientation and maintenance influence the actual lifespan.
Can I have a door completely custom made?
Yes. Dimensions, material, color, panel, glass, handle, direction of rotation, threshold and security fittings are tailored to the opening and your wishes.
Is a large sliding window sufficient insulating?
With the right profile, high-efficiency glass and correct installation, a large sliding window can provide excellent insulation.
Can a sliding window threshold arm be installed?
This is possible with many systems. We assess the floor structure and water drainage during the measurement.
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