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Sapa Crown Casement Window

Trusted system developed over 40 years
The Sapa crown system is a trusted suite of windows and doors developed over the last 10 years with the heritage of the hugely successful and at it’s time industry changing Monarch Aluminium products in mind.. Ticking all the boxes for strength, durability, and appearance.

Crown system has been designed based on the way we would like them to look in our homes, making them perfect for residential projects. With clean architectural sightlines the Crown system adds extra light into most rooms.

Key Information

• Excellent weather performance meeting BS 6375: Part 1 Severe Exposure Category 2000
• Patented security bead design meeting all current security standards
• Virtually maintenance free
• Trickle ventilation to meet Building Regulations
• ‘A’ rated for energy efficiency
• Secured by Design approved
• PAS 24 Security certified
• Wide range of high quality polyester powder coated colour options including dual colour
• Range of framing shapes available for traditional or modern aesthetics
• Slim 52mm profile to increase viewing area and incoming natural light
• Can create glazed screens or bay windows with corner junctions at any angle between 90° and 270°
• Available in 75mm depth making this system compatible with other TECHNAL 75mm systems
• Opening lights hung on concealed, stainless steel variable geometry friction hinges
• Patented security bead design meeting current security standards

External Style Options
Traditional Flush provides uniform and consistent exterior face which incorporates the shaped mullions and transoms of the original flush windows.
Slim Flush presents on a single flat plane but without the mullion transom profile dividing the windows.

Internal Style Options
Softline is a traditional internal frame profile and vent beading.
Simple Square frame profile and vent headers to present a contemporary look.

• Water tightness to Class 9A
• Air Permeability to Class 3
• Wind Resistance to Class B5
• Can be used with Sapa 75 mm system to create facades, screens, or side lights.
• Thermal performance compliant to part L of the Building Regulations.
• Traditional or contemporary ironmongery options
• Choice of any RAL colour or dual colour options

Technical Information

Max glazing – 28mm
Max sizes – width 1200, height 1200 and 40kg weight
WER A Rating (depending on frame)

Why choose us?

All of our products are manufactured by us, and offer the same great benefits…

Weather Resistance

All of our systems are tested to guarantee the very best performance in water tightness, air permeability and wind loads, achieving the maximum result in each category.

Thermal Performance

Energy efficiency is a vital element in building design, with demands made by both the architect and end-user – to reduce environmental impact and heating costs. Our systems are designed with high levels of insulation, creating comfortable homes right across the world.

Acoustic Insulation

Outstanding acoustic performance ensures that the home remains a private, intimate space free of external noise pollution.

Modern Aesthetics

A Plus Aluminium manufactures bespoke window, door and façade systems tailored to each individual project. The designs balance aesthetics with functionality and technical requirements.

Unlimited Colour Range

To add colour to the interior and exterior of the building, the aluminium frame can be powder coated or anodised on both sides, with a dual-colour option. For powder coating, choose from any RAL colour with metallic, textured and wood finishes also available.

Long-Lasting Performance

Aluminium is one the most durable and sustainable materials available. It has the strength and resistance to last a lifetime.

Sustainable Spirit

We are committed to minimising waste and the environmental impact of its products and manufacturing processes, through the use of sustainable raw materials and products, and the limitless recyclability of aluminium.

Our continued commitment to innovation allows us to offer high value-added products that maximise energy efficiency, thermal and acoustic performance and weather resistance.