PVC & composite windows

Composite and PVC Windows Explained

Understand why composite and PVC windows deliver high performance, durability, and low maintenance without jargon, just what matters to you.

Composite and PVC Windows Explained PVC & composite windows
Why PVC & composite windows

Composite and PVC Windows Explained

Understand why composite and PVC windows deliver high performance, durability, and low maintenance without jargon, just what matters to you.

Superior Thermal Insulation

Multi-chamber profiles trap air efficiently, keeping warm air in during winter and cool air in during summer cutting heating and cooling costs year-round.

Built to Last, Resist Everything

PVC and composite materials resist warping, corrosion, and moisture without compromising performance in harsh weather, making them a sound long-term investment.

Minimal Maintenance, Maximum Simplicity

Smooth surfaces clean easily, and the materials require no repainting or sealing just occasional wiping to stay like new.

Design Flexibility, Professional Finish

Available in wood-effect finishes, bold modern colors, and various profiles to complement any architectural style while maintaining premium appearance.

Energy Savings Add Up

Reduced heating and cooling demand means lower utility bills over time, offsetting the initial investment.

Examples & inspiration

A few of the pvc & composite windows we have made

Every project is drawn, engineered and built to order — these are ideas to start the conversation.

A few of the pvc & composite windows we have made
Every window we make is bespoke — this is one of them
A few of the pvc & composite windows we have made example
Bespoke profile & finish
A few of the pvc & composite windows we have made example
Made to order
A few of the pvc & composite windows we have made example
A recent project

Examples to spark ideas — every piece is made to measure, never off-the-shelf.

Chambered warmth

How PVC traps the heat

A PVC or composite profile is not solid — it is divided into a row of sealed air chambers. Each chamber is a still-air layer that heat must fight through, and a steel core keeps the whole frame rigid.

−5°C EXTERIOR +21°C INTERIOR Double / triple glazing Sealed air chambers Each traps still air = insulation Multi-chamber body Warm, quiet, weathertight Steel reinforcement core Keeps large frames dead straight
Multi-chamber insulationSeveral sealed air pockets in series slow heat and sound — warm rooms, quiet homes.
Reinforced & rigidA steel or composite core keeps even large sashes straight and secure for decades.
Weatherproof, low-maintenancePVC never rots, rusts or needs repainting — wipe-clean performance year after year.
What makes composite and PVC windows different?
The material

What makes composite and PVC windows different

Traditional materials like bare wood require constant sealing and repainting, while aluminum conducts temperature changes directly into your home, wasting energy. Composite and PVC windows solve this by combining the best of multiple materials. Composite windows blend wood (for its natural aesthetic appeal) with modern plastics (for weather resistance and durability). PVC windows use engineered plastic throughout, optimized for thermal performance. Both approaches eliminate the maintenance burden and deliver consistent comfort year after year.

Superior Thermal Insulation
Built to Last, Resist Everything
Minimal Maintenance, Maximum Simplicity
At a glance

Specifications

The technical detail that matters when you specify.

Material CompositionComposite: Engineered blend of wood fiber and plastic | PVC: Rigid vinyl plastic with multi-chamber design
Typical Lifespan30-50 years with proper care
Thermal PerformanceSuperior multi-chamber profiles reduce heat transfer; both outperform aluminum and bare wood significantly
Weather ResistanceExcellent; both resist UV fading, moisture infiltration, and temperature cycling
CustomizationExtensive color and profile options; wood-grain finishes available on composite
InstallationProfessional installation recommended; both lighter than wood, reducing structural load
The ALUCLEAR difference

What you gain, day to day

Up to 30%

Lower Heating & Cooling Bills

Advanced insulation cuts energy demand significantly; the savings compound year after year.

Zero Painting

Hassle-Free Ownership

No annual sealing, staining, or professional maintenance just occasional cleaning keeps them pristine.

30-50 Years

Decades of Dependable Performance

Engineered to resist warping, corrosion, and weather extremes without compromise.

Wide Range

Design Freedom, Premium Aesthetics

From wood-grain warmth to bold contemporary colors, get the look you want without sacrificing durability.

Lower Lifetime Cost

Long-Term Financial Sense

Higher upfront value than wood, but recouped through reduced maintenance and energy savings.

Finish & personalise

The touches that make it yours

A few of the finishes you can choose — swatches for inspiration, matched to your project.

Classic White (PVC & Composite)
Natural Wood Grain (Composite)
Anthracite Gray (Composite & PVC)
Warm Beige & Earth Tones (Composite)
Contemporary Dark Finishes (PVC & Composite)
Custom Colors (Composite to order)
The full range

Compare every window material

Each material has its strengths. Explore the others to find the perfect fit for your project.

Your questions

Composite and PVC Windows Explained — frequently asked

How does the insulation actually work?

The secret is in the profile design. Multi-chamber construction creates air pockets that slow heat transfer, like thermal blankets inside your frame. These chambers are separated by material bridges that prevent the cold or heat from conducting straight through. The result: your home stays warmer in winter (reducing furnace strain) and cooler in summer (reducing air-conditioning load). Over a heating season, this translates to measurable reductions in your utility bills.

Why doesn't the material warp or crack?

Composite and PVC materials are engineered to stay dimensionally stable across temperature swings and humidity changes. Wood expands and contracts significantly, leading to gaps and stuck windows. Engineered composites and PVC move far less, maintaining consistent performance and seal integrity. This stability is particularly valuable in climates with pronounced seasonal shifts or in coastal environments where moisture is constant.

What does low maintenance really mean?

No repainting. No annual sealing. No stripping and staining. Composite and PVC frames simply need occasional cleaning with mild soap and water the same as wiping down any exterior surface. Hinges and hardware may need light lubrication, but that's routine for any window type. Over decades of ownership, this adds up to tremendous time and money savings compared to wood windows, which demand regular professional maintenance.

Can I get the look I want?

Absolutely. Modern composites and PVC come in extensive color ranges and finishes. Wood-grain textures replicate the warmth of traditional timber while delivering synthetic durability. Bold contemporary hues suit modern minimalist homes. Various profile styles wide frames, slim frames, sculptural details give you aesthetic control without sacrificing thermal or structural performance. Personalization doesn't mean compromise.

Ready to start your project?

Tell us about your space, your style and your priorities — we'll help you choose the profile, glazing and finishes that fit, with a free quote.

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Let’s design together

We specialize in designing and crafting bespoke windows, doors, glazing, and accessories, offering unparalleled luxury and precision. Our commitment to elegance, innovation, and personalized service ensures tailor-made solutions that elevate every space.

Contact

Shatner street 3 Guivat shaoul Jerusalem,Israel 9134302
CEO : David Melki +972(0)544568068
USA sales manager : Simon Ben zeev +1 (929) 343-2914
France sales manager : Moché Melki +33(0)610154464

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