The window manufacturer is a professional that, regardless of the material used (aluminium, pvc, wood), produces handmade windows and doors of various types.

The most common are: hinged or sliding windows with one or more wings, French doors, front doors, porches, shutters, etc. that are installed in new and old buildings alike.

One of the many tasks of the manufacturer is to directly engage with customers.
The manufacturer must perform necessary on-site surveys for estimates and subsequent production of the windows and doors.

Once all the information has been acquired, the technical department of CLL can be contacted and, according to instructions, will develop the necessary materials for the construction of the windows and doors, including: profiles, aluminium sheet, accessories and seals.

If you decide to work with CLL, you have made the right choice for at least two reasons:

1. The CLL technical department will take care of the order received, carefully examining all information and, if necessary, requesting all applicable specifications, in order to complete the quote in the best way possible.
2. You save time because you will be given detailed feedback of what is required in the shortest time possible, to make economic evaluation of the order easier.

CLL supports its customers with this service, helping them prepare quotes, with the guarantee that the product proposed complies with current regulations.

In fact, don’t forget that there are specific thermal regulations apply to different geographical areas.