Which profiles are best for series 602

Which profiles are best for series 602

Series 602 are common panel-house apartments with standard window openings. When replacing windows, you should match the profile to the mounting depth, structural strength and thermal requirements so the new windows fit correctly and perform well.

Key factors to consider for 602 series

• Mounting depth. Profiles with 60–70 mm mounting depth fit most 602 openings: 60 mm is a standard budget option, 70 mm gives better thermal performance.
• Chamber count. 3–5 chambers are usually enough for typical apartments; 5–6 chambers improve thermal and sound insulation significantly.
• Reinforcement. Steel reinforcement in sash and frame is required for stability. In colder climates, consider profiles with additional thermal inserts.
• Glass unit thickness. Check whether you will use double-glazed units (24–32 mm) or triple units (36–48 mm). For 602 series, 24–32 mm is common but thicker units are possible if hardware supports the load.
• Seals and drainage. Quality multi-contour seals and well-designed drainage protect against drafts and freezing.
• Hardware. Durable hinges, locks and micro-ventilation functions contribute to comfort and safety.

Recommended profile types

• 60 mm, 3–4 chamber profiles — budget-friendly choice for standard 602 flats. Good for limited budgets and moderate insulation needs.
• 70 mm, 5-chamber profiles — the best balance between cost and energy efficiency. Recommended for colder façades or when you want improved insulation without major structural work.
• 6-chamber systems and profiles designed for triple glazing — choose this when maximum thermal and acoustic insulation is needed.

Brands and examples

Popular and reliable brands available in the region include:

• VEKA — wide range of depths and proven durability.
• Rehau — known for high thermal performance and integrated solutions.
• KBE — good value-for-money systems.
• WDS — competitive options for 60–70 mm depths.
• Salamander, Deceuninck — additional alternatives.

The brand is important, but proper installation often plays a larger role in final performance.

Installation and finishing tips for 602 series

• Sealing joint: follow the three-layer rule (external drainage, foam, internal vapor barrier) to avoid thermal bridges and condensation.
• Sill and drip: select appropriate sill width and slope for water runoff.
• Ventilation: add trickle vents or micro-ventilation when windows are airtight.
• Reveal insulation: insulating internal or external reveals improves comfort.
• Check opening geometry: warped or uneven openings must be corrected before installation.

Example pairing recommendations

• Standard apartment with no heavy noise: 60–70 mm profile, 3–5 chambers + 24–32 mm insulated glass unit.
• Corner windows and balcony doors: 70 mm, 5 chambers + two- or three-glazed units depending on weight and thermal needs.

Frequently asked questions

Can I install a triple-glazed unit in a 602-series window?

Yes, usually it's possible if the profile, reinforcement and hinges are rated for the increased thickness and weight. Always check with your installer.

What profile is best for noisy streets?

Choose 5–6 chamber profiles combined with multi-layered glazing with different glass thicknesses and gas filling. Different gaps and laminated inner panes improve sound reduction.

Is a 60 mm profile acceptable if I want to save money?

Yes. A 60 mm profile can be a solid, economical solution. Focus on good seals and high-quality hardware.

Should I replace reveals and sills when changing windows?

It is recommended. Updating reveals and sills eliminates cold bridges and finishes the work aesthetically.

How much does window replacement cost in a 602 flat?

Costs vary depending on profile depth, glass unit type and complexity of the opening. Basic 60 mm solutions are cheaper than 70 mm systems with triple glazing and reinforced hardware.

How long does installation take?

Typical installation of one window takes from 2 to 5 hours (excluding finishing). Complex openings and reveal work increase the time.

Final recommendations

• For most 602-series apartments, a 60–70 mm profile with 3–5 chambers is optimal.
• Prioritize proper reinforcement and high-quality hardware over brand names alone.
• Ensure correct three-layer sealing and consider ventilation options.
• For noise or very cold façades, choose 5–6 chambers and thicker glass units.

Following these guidelines will help you choose a profile that fits the 602 series opening and provides reliable comfort for years.