Comparison of PVC profiles: VEKA, Rehau, Aluplast

Comparison of PVC profiles: VEKA, Rehau, Aluplast

Introduction

Choosing the right PVC profile for windows is a crucial decision. In Latvia, three widely used manufacturers are VEKA, Rehau and Aluplast. This article compares their thermal performance, sound insulation, durability, hardware compatibility and cost to help you choose the best option for your project.

Key factors to consider

• Thermal transmittance (U‑value) and number of chambers
• Profile rigidity and reinforcement
• Sealing system and airtightness
• Compatibility with hardware and glass units
• Longevity and surface finishing
• Price and local availability

Brand overview

• VEKA: German company known for stable geometry and high stiffness of profiles.
• Rehau: German manufacturer focusing on innovative, energy‑efficient solutions.
• Aluplast: German brand offering competitive mid‑range and budget options.

Thermal and acoustic performance

• Chamber design: Profiles with more internal chambers (from 3 up to 7+) usually provide better thermal performance when combined with suitable glass units.
• Thermal ratings: Premium lines from Rehau and VEKA often deliver slightly better U‑values thanks to optimized profiles and advanced sealing. Aluplast offers cost‑effective variants that are adequate for Latvia’s climate.
• Sound insulation: Largely determined by the glass unit and installation. Still, multi‑gasket systems and thicker profiles contribute to baseline acoustic protection.

Structure and strength

• Reinforcement: All three brands are designed for steel reinforcement inside the chambers. VEKA and Rehau profiles are often optimized for stiffer reinforcement.
• Geometry stability: VEKA is known for consistent profile geometry which reduces production defects; Rehau focuses on modularity and complex configurations.

Seals and hardware

• Seals: Triple‑seal solutions are available in mid to high range series. Quality of the rubber and its fit are critical for long‑term performance.
• Hardware compatibility: All three profiles are compatible with major European hardware systems (Maco, Roto, Winkhaus etc.). Choosing quality hardware is as important as the profile itself.

Durability and maintenance

• Finishes: White PVC profiles are generally low maintenance; colored laminations require careful selection and upkeep.
• Maintenance: Regular cleaning of seals and lubrication of moving parts will extend the life of the window. Avoid aggressive chemicals.

Price and availability in Latvia

• VEKA and Rehau premium lines are typically more expensive but chosen for high‑performance projects.
• Aluplast is often positioned in the budget to mid segment and offers practical solutions for standard installations.
• Final window cost depends heavily on glass unit configuration, hardware and installation quality.

Suitable applications

• VEKA: projects requiring long‑term dimensional stability and durability (multi‑apartment and commercial).
• Rehau: energy‑efficient and design‑oriented projects.
• Aluplast: budget‑conscious residential projects.

Installation and warranty

High‑quality installation is decisive: even the best profile underperforms with incorrect fitting. Check local dealer warranties and after‑sales service in Latvia.

Frequently Asked Questions

1. Which profile is the warmest — VEKA, Rehau or Aluplast?

It depends on the series and the glass unit. Premium lines of VEKA and Rehau often achieve better thermal performance, but Aluplast’s higher series are sufficient for moderate climates.

2. Can I change hardware on any profile?

Yes, most profiles accept standard European hardware, but verify compatibility with the manufacturer or fabricator.

3. Which profile is cheaper?

Aluplast generally offers more budget‑friendly options. VEKA and Rehau cost more in premium configurations.

4. Is lamination important?

Lamination affects appearance and UV stability. White profiles need less maintenance than dark laminates.

5. Is a 5‑chamber profile enough?

For typical apartments, 5‑chamber profiles are a reasonable compromise. For passive or highly energy‑efficient homes consider 6–7 chamber systems.

6. What maintenance do windows need after installation?

Periodic cleaning, seal inspection and hardware lubrication 1–2 times a year. If you feel drafts — call a specialist for adjustment.

Conclusion

Choosing between VEKA, Rehau and Aluplast depends on budget, thermal performance goals and design preferences. For top energy efficiency, look at VEKA and Rehau premium lines. For a cost‑effective, reliable choice, Aluplast is a strong candidate. Ultimately, glass unit selection and correct installation matter most for real‑world results.