The E32 aluminium frame series stands out for its practical design, which allows for easier and faster installation, making it an ideal choice for replacing old systems.
The profiles in the series feature polyamide thermal breaks along their entire length, offering thermal insulation with a frame thermal transmittance coefficient (Uf) starting from 3.2 W/m²K. There is the option to choose between single or double glazing. By selecting double glazing (Ug from 1 W/m²K), the overall window thermal transmittance coefficient (Uw) is significantly improved. Similarly, the already high levels of sound insulation and water tightness are further enhanced.
The system is suitable for small to medium-sized openings, with a maximum sash weight of 100 kg, and can feature one to four sashes, either overlapping (sliding) or pocket-type. Among its advantages are the narrow guides (76 to 107 mm wide) and the stainless steel bottom rail, which ensures smooth operation even in larger dimensions.
The E32 sliding frame series offers a flexible and cost-effective solution that adapts to all requirements. It can be combined with insect screens, shutters, or rolling shutters.
Why choose E32?
Ideal for replacing old window systems
Suitable for medium-sized openings
Lowest profile weight in its category
Quick installation
Polyamide thermal break
Up to 4 sashes
Wide variety of typologies

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The E32 is a sliding aluminium system considered the most cost-effective solution in its category, making it the ideal choice for replacing old window frames.
Thanks to its smart design, simplified components, and the lowest profile weight in its class, the E32 system offers easier and faster assembly and installation compared to similar products. As a result, fabricators benefit from reduced installation time, maintaining an uninterrupted workflow.
With 32mm sash width and polyamide thermal breaks ranging from 16mm to 28mm, the system is ideal for medium-sized openings. Its innovative design — featuring narrow guides with widths from 76mm to 107mm and a height of 31mm — makes it particularly suitable for replacing older recessed sliding frames. The stainless steel bottom rail ensures easy, smooth, and uninterrupted operation of the window.

The EPAL E32 series window systems feature the following characteristics:
Single or double glazing with gaps ranging from 10 to 22 mm
Profiles with full-length thermal break
High level of thermal insulation (Uf = 3.2 W/m²·K)
Compatible with hinged or sliding insect screens
High levels of water tightness
Manufactured using specific materials and components that meet strict high-quality standards
Produced under controlled manufacturing processes that ensure consistent and high product quality
The E32 sliding frame series ensures:
Smooth and durable operation for large-sized openings
Customized solutions to meet all requirements
High resistance to mechanical stress during use and excellent functionality
Superior quality of electrostatic powder coating, available in a wide range of color options
Installation of the E32 sliding systems is carried out by specialized technicians on any surface, using dedicated fittings and insulation materials to ensure a perfect fit.
EPAL imports glass panels from the largest glass manufacturing companies in the world.

The profiles of the EPAL E32 series are designed by EPAL:
Protected by intellectual property rights (patents) with the Greek Industrial Property Organization (OBI).
Manufactured using EPAL’s proprietary extrusion dies, strictly monitored for acceptable tolerances.
Exclusively used by EPAL.
The cross-sections of the aluminum profiles (frame and leaf) of the EPAL E32 series have the following technical specifications:
| Maximum Leaf Width: | 1600 mm |
| Maximum Leaf Height: | 2300 mm |
| Maximum Leaf Weight: | 90kg |
| Air permeability: | Class 4 |
| Water tightness: | Class 7Α |
| Wind pressure resistance: | Class C3 |
| Thermal conductivity (Uf): | Aπό 2,9 W/(m2⋅K) |
The aluminium profiles of the E32 series are coated with electrostatic powder coating at EPAL’s new and state-of-the-art facility, following proper surface preparation (pre-cleaning and priming) to ensure optimal paint adhesion and high quality and durability.