Testing Window Units Before Delivery to Site

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Window unit testing means checking each Belgian steel-look profile window or door in the factory before it leaves for your site. The checks cover dimensions against the approved drawing, frame squareness, opening and locking action, glazing and finish quality. Doing this before delivery catches problems while they are still easy and inexpensive to correct.

Why test window units before they reach the site

A window or door that looks right in a drawing can still cause trouble once it is installed. A frame that is slightly out of square, a sash that rubs, or a lock that does not engage can turn a simple installation into a long afternoon of adjustments. Testing in the factory means these issues are found under controlled conditions, with the right tools and with the unit lying flat on a workbench rather than hanging in an opening.

For clients, the main benefit is confidence. You see the unit working before it is fixed into your wall, and any correction is made while the piece is still in our hands.

What we check on every unit

Each Belgian steel-look profile window and door goes through a set of checks against the written specification and the approved drawing. The list typically includes:

Overall dimensions and the diagonal measurement of the frame
Squareness and flatness of the frame and sash
Smooth opening, closing and clearance around the sash
Operation of hinges, handles and locking points
Glazing seal and glass position
Surface finish and colour consistency

Anything outside the tolerance is corrected before the unit is packed.

How testing fits into the planning and production steps

Testing is the last checkpoint in a process that starts with an inquiry and photos, followed by on-site measurement and a drawing with a written specification. Once you approve the drawing, production begins in our factory on Rival Street in Tel Aviv. The finishing stage, including the protective and decorative coating, is completed before the test, so the tested piece is the same piece that will be delivered.

Measurements taken on site at the start are the reference for every test, which is why accurate measuring matters so much.

What you should expect at handover

Before a unit leaves the workshop, you can ask to see the key checks carried out. We will explain any minor cosmetic marks and confirm that the unit matches the approved drawing. Packing is done to protect the finish during transport, and the unit is labelled for its intended position in the building.

If you would like to be present for a check, let us know during the planning stage so it can be arranged.

Installation and what testing does not replace

Factory testing confirms the unit itself, but the opening in the wall must also be ready. Plumb and level of the opening, the sealing system and the fixing method all affect the final result. Our installation team checks the opening before fixing the unit and adjusts the fit on site where needed.

Where structural or safety questions come up, we check details with the engineer rather than relying on general rules of thumb.

Preparing your site for a smooth installation

A little preparation helps the installation go quickly. Clear the openings, remove old frames if they are part of the works, and make sure the surrounding finishes are not yet applied where the new unit will sit. Keep access routes clear for handling the unit and let us know about any floor, lift or parking restrictions in advance.

Frequently asked questions

Do I need to be present when my window units are tested?

It is not required, but you are welcome to attend if you would like to see the checks. Let us know during the planning stage so we can arrange a suitable time.

What happens if a unit fails a test?

The unit is corrected in the factory before it is packed and delivered. You are not asked to accept a unit that falls outside the approved specification.

Will the tested unit fit my opening without adjustment?

The test confirms the unit against the drawing made from the on-site measurement. Final fit also depends on the condition of the opening, which our installation team checks before fixing.

Does testing cover the finish as well as the function?

Yes. The finish and colour consistency are checked along with opening action, locking and glazing, so the unit is inspected both for how it works and how it looks.

Common mistakes to avoid

A common mistake is sending measurements that were taken without checking the opening's squareness, which then affects the whole unit. Another is changing the specification after production has started, which can require re-testing.

Our recommendation

Confirm the drawing and specification in writing before production, and ask which checks will be carried out on your units. Keep the site openings clear and accessible so the installation can begin as soon as the tested units arrive.

Summary

Testing window units in the factory catches fit and function issues before they reach your site. It gives you confidence that each Belgian steel-look profile window or door matches the approved drawing.

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