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PE78N HI Procural

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PE78N HI Procural

Aluminium window system with enhanced energy efficiency · Procural

Uf from 0.9 W/(m²·K) Uw from 0.74 W/(m²·K) 3 air chambers Closed glazing-rebate chamber Delivery across Latvia and Europe
0.9
Uf W/(m²·K)
frame coefficient
0.74
Uw W/(m²·K)
window coefficient
78 mm
frame
depth
42 mm
thermal break
3
air
chambers
About the PE78N HI Procural system

PE78N HI Procural is a three-chamber aluminium profile system with a 78 mm frame depth, a closed glazing-rebate chamber and an additional insulating insert. The heat transfer coefficient of the finished window, Uw, starts from 0.74 W/(m²·K) — noticeably lower than standard aluminium profiles of the same depth.

These high thermal performance figures are made possible by a 42 mm multi-chamber thermal break and a two-component central EPDM gasket. The profile is manufactured from EN AW-6060 T66 aluminium alloy and supports large-format sashes weighing up to 200 kg, making the system suitable for both private and commercial projects.

Logi24 manufactures and installs PE78N HI Procural windows at its own production facility in Riga, with delivery and installation across Latvia and Europe.

Photos
PE78N HI Procural — photo 🔍 Enlarge
PE78N HI Procural — cross-section of frame and sash profile 🔍 Enlarge
PE78N HI Procural — corner joint of the profile 🔍 Enlarge

Click a photo to enlarge

Technical specifications
Thermal insulation and profile
Profile system Procural PE78N HI, three-chamber
Frame depth 78 mm
Sash depth 86 mm
Number of air chambers 3
Thermal break (insulating barrier) 42 mm, multi-chamber, two-component gasket
Profile heat transfer coefficient Uf from 0.9 W/(m²·K)
Window heat transfer coefficient Uw from 0.74 W/(m²·K)
Maximum sash size 1700 × 2200 mm or 1300 × 3000 mm
Maximum sash weight up to 200 kg
The final Uw value depends on the glazing unit selected, the size and the glazing area of the specific project. Figures are given for a 1480×2180 mm window with a double-glazed unit Ug = 0.5 W/(m²·K).
Configuration, testing and finish
Profile material EN AW-6060 aluminium alloy, T66 temper
Gaskets EPDM synthetic rubber
Air permeability class 4
Watertightness class E1650
Wind load resistance class C5
Burglar resistance class RC2, RC3
Profile coating Qualicoat powder coating
Anodising on request, Qualanod standard
Colour RAL catalogue, dual-colour option, wood-effect finish
Key advantages
Noticeably lower heat loss

A closed glazing-rebate chamber and a 42 mm thermal break lower Uf from 1.7 to 0.9 W/(m²·K) compared with the standard PE78N.

Large-format constructions

The profile supports sashes weighing up to 200 kg and sized up to 1700×2200 mm — suitable for curtain walls and panoramic windows.

High burglar resistance

Burglar-resistance class RC2, RC3 to EN 1627 provides added security for private and commercial projects.

Durable coating

Qualicoat powder coating protects the profile from corrosion and colour fading under constant rain, salt and UV exposure.

Flexible configuration

Any type of opening sash, any RAL colour, a wood-effect finish, and a glazing unit matched to the specific project and energy-efficiency requirements.

Where it's used
PE78N HI Procural is used in private houses with elevated energy-efficiency requirements, as well as in panoramic glazing, curtain walls and large-format constructions — thanks to the profile's high load-bearing capacity. The system is also suitable for facade glazing on commercial and public buildings, including projects with elevated burglar-resistance requirements (class RC2, RC3). See the full range in the Procural Windows section, and other profile solutions in the Aluminium Windows and Doors. For passive-house projects, we recommend the PE96 Passive Procural system.
Who it's for
  • Private clients building or renovating a home with high energy-efficiency requirements
  • Architects and designers who need large-format glazing
  • Developers and contractors of commercial projects
  • Homeowners with elevated burglar-protection requirements
Configurations and options
  • Single-sash windows
  • Two- and multi-sash windows
  • Fixed (non-opening) glazing
  • Tilt-and-turn sashes
  • Combination with PROCURAL doors and curtain walls
  • Custom opening dimensions
Colour options
  • RAL catalogue colours — any shade
  • Dual-colour finish (exterior/interior)
  • Qualicoat powder coating
  • Qualanod anodising on request
  • Wood-effect finish
Installation, delivery and warranty

Installation. Logi24 carries out the full cycle of work — from on-site measurement to final installation. Our installation team fits the windows in line with proper expansion and installation joints, preserving the stated thermal performance. Manufacturing and installation lead times depend on order volume and configuration and are calculated individually by the manager placing the order.

Delivery. Logi24's production facility and office are located in Riga, Latvia. From here we deliver and install PE78N HI Procural windows in Riga and throughout Latvia, and we also arrange delivery for projects elsewhere in Europe. Logistics timelines and costs are calculated individually depending on the project's location.

Warranty. Logi24 provides a 2-year warranty on installation work and a 5-year warranty on the finished window construction. The Procural PE78N HI profile itself carries a manufacturer's warranty of up to 30 years; the exact term is confirmed by the manager when the order is placed.

Why choose Logi24
In-house production

The entire process — from quotation to installation — is handled by a single team, with no subcontractors.

Based in Riga, Latvia

Short lead times for consultations and site visits across the country.

Working across Europe

We deliver and install PE78N HI Procural windows beyond Latvia as well.

Frequently asked questions
  • What is PE78N HI Procural? +
    It is a three-chamber aluminium profile system with a 78 mm frame depth, a reinforced 42 mm thermal break and a closed glazing-rebate chamber, designed for windows with enhanced energy efficiency.
  • What is the heat transfer coefficient of the profile and of the finished window? +
    The profile's heat transfer coefficient Uf starts from 0.9 W/(m²·K), while the finished window's Uw is from 0.74 W/(m²·K) with a double-glazed unit. The exact value depends on the window size and the glazing chosen.
  • How does PE78N HI differ from the base PE78N version? +
    The HI version has a closed glazing-rebate chamber and an additional insulating insert, which lowers Uf from 1.7 to 0.9 W/(m²·K) and Uw from 0.88 to 0.74 W/(m²·K) compared with the standard PE78N.
  • Is PE78N HI suitable for an energy-efficient home? +
    Yes, windows based on PE78N HI deliver noticeably lower heat loss than standard aluminium profiles and suit projects with elevated energy-efficiency requirements. For passive-standard homes, we recommend the PE96 Passive Procural system.
  • How much do PE78N HI Procural windows cost? +
    The price depends on dimensions, configuration, glazing type and order volume, so it is calculated individually by a Logi24 manager. Submit a request with your opening dimensions and we will prepare a quote for your project.
  • How long does manufacturing take? +
    Manufacturing time depends on the configuration, dimensions and current production workload, and is confirmed by the manager when the order is placed. For projects with non-standard sizes or colours, lead time may be longer than standard.
  • Does Logi24 handle window installation? +
    Yes, Logi24 carries out the full cycle — measurement, manufacturing and installation with its own team in Riga and throughout Latvia, as well as delivery and installation across Europe for relevant projects.
  • What warranty is provided on PE78N HI Procural windows? +
    Logi24's standard terms are 2 years' warranty on installation work, 5 years on the finished window construction, and up to 30 years on the profile itself under the manufacturer's warranty, depending on operating conditions.
  • How do I order PE78N HI Procural windows? +
    Submit a request on the website or contact a Logi24 manager — a specialist will confirm your opening dimensions, help you choose the configuration, and prepare an individual cost and lead-time estimate.
In-depth overview of PE78N HI Procural

In short: PE78N HI Procural is a three-chamber aluminium profile system by manufacturer Procural with a 78 mm frame depth, a closed glazing-rebate chamber and a 42 mm thermal break. The profile's heat transfer coefficient Uf starts from 0.9 W/(m²·K), and the finished window's coefficient Uw starts from 0.74 W/(m²·K) (for a 1480×2180 mm window with a double-glazed unit Ug = 0.5 W/(m²·K)). In Latvia, windows based on this system are manufactured and installed by Logi24, with production based in Riga.

PE78N HI's lower heat loss compared with the standard PE78N is achieved through a closed glazing-rebate chamber and an additional insulating insert in the thermal break. This solution lowers Uf from 1.7 to 0.9 W/(m²·K), and Uw from 0.88 to 0.74 W/(m²·K), making the system noticeably warmer than the base profile version of the same depth.

The PE78N HI Procural profile is manufactured from EN AW-6060 aluminium alloy in T66 temper and supports sashes up to 1700×2200 mm in size and up to 200 kg in weight. The system has air permeability class 4, watertightness E1650, wind-load resistance C5, and burglar resistance RC2, RC3 to EN 1627, extending its application to projects with elevated security requirements.

The PE78N HI Procural system is used in private houses with high energy-efficiency requirements, for panoramic glazing and large curtain walls, and in facade glazing on commercial and public buildings. It suits private clients, architects and developers who need large-format constructions with reliable thermal insulation.

Logi24 manufactures and installs PE78N HI Procural windows at its own production facility in Riga, Latvia, and provides delivery and installation across Latvia and Europe. Logi24 offers a 2-year warranty on installation work, 5 years on the finished window construction, and up to 30 years on the PE78N HI Procural profile under the manufacturer's warranty.

© Logi24  ·  PE78N HI Procural  ·  Specifications may be updated based on data from the profile manufacturer. Please confirm current data with Logi24 specialists.
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