Contact info

We offer you our contact information at hand, so you can coordinate with our team and start working on your projects.

Mon-Thu: 07:00 - 17:00; Fri: 07:00 - 16:00; Sat and Sun: CLOSED 8th street, C-24, down river, Panama Province, Panama City, Republic of Panama +507 60765295 2039025 / 2039019 contacto@grupokefren.com


Welcome to our glass section. Our product is a material of great hardness and that at the same time is very fragile upon impact. We offer several types of glass that adapt to the type of project or design you have in mind:

MAIN characteristics

It is an inorganic ceramic material found in nature that efficiently allows light to pass through.

Thanks to this transparency, it is widely used in the manufacture of cloths used in structures that protect and delimit a space, while allowing the direct use of natural light from the environment. It has several colors.

Important: It is a material that has no waste, since it is 100% recyclable. Thanks to this characteristic, it is reused over and over again without affecting its physical properties and without generating considerable losses.

This is an important factor, since it serves as a secondary raw material and in this way reduces production costs by reducing the costs related to obtaining the raw material.

Principal types of glass

There are several types of glass. Each one has a characteristic manufacturing process that provides unique properties that cover different fields of application. It is not the same to think of a decorative section for an area with little pedestrian traffic, to think of a glass for a facade and a protection railing. Next, we are going to know a little more about the most employed today:


Float consists of a uniform plate that is manufactured by floating the molten glass on a layer of molten tin. This method gives the resulting cloth a uniform thickness and a very flat surface. This manufacturing process makes it a type of product widely used in construction.

Elegant, it is mainly recommended for decorative use rather than structural use due to its fragility. Indoors it is used on table tops, shelves, screens, consoles, skylights and all accessories where elegance is necessary. Outdoors it is typically used on windows, sideboards, and framed doors. It is largely up to the designer to select this type of glass as long as there is no risk of accidents or external forces acting on the glass.


This glass has the appearance of a sandwich and is manufactured by joining two or more sheets with an interleaved film of polyvinyl butyral (PVB). PVB is a polymer composed of polyvinyl alcohol and butyraldehyde. This film offers a high range of protection against impact and / or penetration compared to simply tempered glass. In case of breakage, the PVB retains the glass fragments and prevents the broken parts from falling everywhere. It is a glass of excellent optical quality, low emissivity and solar control. Additionally, PVB provides a higher percentage of noise reduction.

Commonly used in bathroom doors, sliding and swing access doors, skylights, balconies, windows, floors, domes, commercial sideboards and all those applications where the priority is the safety of the user. Likewise, it is widely used in airports, hotels, museums, recording studios, data processing centers, industrial plants and rooms close to train stations.


Tempered is manufactured thanks to a thermal process known as tempering. It is applied directly to natural glass, and consists of heating the cloth and then subjecting it to a sudden cooling.

The optical characteristics are equal to those of ordinary glass, but with a resistance four times higher when it receives an impact on any section of its flat surface. It is possible to temper glass in thicknesses ranging from 3.5 mm to 19 mm. An important characteristic of this crystal is that when it breaks, it does so into small cubic-shaped pieces with latent cutting capacity. It is considered a type of safety glass. It is a very good option to use both indoors and outdoors as it provides a considerable safety factor against accidents and fractures.

It is the ideal type of product for the installation of facades, windows, partitions, railings, interior partitions, hinged and sliding doors, bathroom doors, furniture, and in any application where glass plays a structural role.

Quote with us

In the contact section, you have our form available so that you can specify the type of system you need and we will gladly assist you. Remember that you can also click on the button below and consult with us any other questions you may have regarding swing and sliding door systems.

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