Ryterna Flush Garage Door Ryterna Steel Sectional Doors

Ryterna Flush (Slick) Sectional Garage Door

The Ryterna Flush (also known as Slick) is the ultimate modern upgrade. It features a completely flat, smooth panel with no grooves or ribs, giving you a crisp, minimalist finish that is incredibly popular on rendered properties and contemporary renovations.

Because the surface is so clean, it works beautifully in bold colours or fashionable metallic greys (like RAL 9006 or 9007). It also serves as a perfect blank canvas if you want to create something bespoke; the Flush panels can be customised with stainless steel appliqués or porthole windows to line up with your home's front door or architectural glazing.

Despite its high-end look, it's built for daily family life. The 40 mm insulated core helps regulate the temperature in your garage, and the solid construction feels robust and secure. If you are looking to modernise your home's façade, the Flush design offers that instant "Grand Designs" kerb appeal.

Why choose this Ryterna model?

This is where Ryterna's "bespoke as standard" approach really shines. While other manufacturers limit you to a brochure of set designs, the Flush panel allows for total freedom. You can add custom stainless steel appliqués, porthole windows, or specific glazing layouts to line up exactly with your home's architecture. Best of all, this modern aesthetic extends to Ryterna's entrance doors—giving you the option of a sleek, flat-panel front door that perfectly mirrors your garage for a high-end, "Grand Designs" finish that elevates your entire property.

Door Features

✓ Completely flat, smooth panel for minimalist aesthetic

✓ Ideal for rendered and contemporary properties

✓ Custom stainless steel appliqués available

✓ Porthole window options for bespoke layouts

✓ Full RAL colour range including metallic greys

✓ 40 mm insulated core for temperature regulation

✓ Matching flat-panel entrance doors available

✓ Made-to-measure precision manufacturing

Stainless Steel Windows

The options below will give your garage door a unique and contemporary appearance.

Stainless steel round windows with single safety glass 

Sizes (mm): 150, 230, 310

Standard – clear glazing. Optional: opaque (matt), obscure (frosted), tinted

Window frame can be painted any RAL or BS colour


 

Stainless steel square windows with double safety glass

Sizes (mm): 154×154, 234×234, 314×314. 154 & 234 windows can be in ‘diamond’ shape.

Standard – clear glazing. Optional: opaque (matt), obscure (frosted), tinted

Window frame can be painted any RAL or BS colour


 

Stainless steel oblong window with double safety glass glazing

Size (mm): 805×155 On doors with vertical panel layout window can be in vertical shape.

Standard – clear glazing. Optional: opaque (matt), obscure (frosted), tinted

Window frame can be painted any RAL or BS colour

Technical Specifications – Ryterna Flush (Slick) Sectional Garage Door

The Ryterna Flush, also known as the Slick, is the ultimate high-performance door for contemporary homes and modern architecture. Featuring a completely flat, flush surface with no grooves or ribs, this minimalist design delivers crisp, clean lines that are incredibly popular on rendered properties and new-build developments. Despite its sleek aesthetic, the Flush doesn't compromise on practicality—40 mm insulated panels, Class 5 wind resistance, and superior weather sealing ensure robust performance in the British climate. Available in fashionable metallic greys or bold accent colours, and customisable with stainless-steel appliqués or porthole windows, the Flush offers homeowners that instant "Grand Designs" kerb appeal with the durability and security of a premium sectional door.

✓ Panel & Insulation: 40 mm double-skinned steel panels with polyurethane (PU) foam core; U-Value: 1.1 W/(m²·K)

✓ Panel Profile: Completely flat, flush surface with no grooves for minimalist aesthetic

✓ Design Applications: Ideal for modern architecture, rendered properties, and contemporary styling

✓ Customisation Options: Custom stainless-steel appliqués, porthole windows, or bespoke glazing layouts available

✓ Premium Finish: Often specified in metallic colours (RAL 9006, 9007) or bold accent shades; perfect blank canvas for bespoke designs

✓ Finger-Safe Construction: Anti-pinch protection on both inside and outside surfaces for enhanced safety

✓ Steel Quality: Galvanised steel outer skin with corrosion-resistant coating; powder-coated finish resistant to UV fade and chipping

✓ Standard Internal Colour: RAL 9002 White

✓ Thermal Performance: U-value of 1.1 W/(m²·K) with 40 mm insulated core helps regulate garage temperature

✓ Acoustic Insulation: -25 dB noise reduction (excellent sound dampening) ideal for garages sharing walls with living spaces

✓ Weather Sealing: Full perimeter rubber seals on all four sides; additional top weather seal and low-profile bottom seal for enhanced draught-proofing

✓ Insulation Material: Freon-free polyurethane foam (environmentally friendly)

✓ Spring Lifetime: 15,000 cycles (approximately 20+ years of typical daily use); spring brake safety device fitted as standard on TL torsion spring models

✓ Hardware Quality: Zinc-coated steel fittings (rust-resistant); ball-bearing roller system for smooth, reliable operation

✓ Manual Operation: Lifting handle and lock as standard; compatible with all major garage door motor brands for automation

✓ Performance Standards: Certified to EN 13241-1; CE / UKCA marked

✓ Air Permeability: Class 3 (excellent draught resistance)

✓ Water Penetration Resistance: Class 3 (superior weather protection against driving rain and snow)

✓ Wind Load Resistance: Class 5 (highest residential classification—suitable for exposed coastal locations and high-wind areas)

✓ Size Flexibility: Made-to-measure to exact millimetre specifications; no expensive "non-standard" surcharges

✓ Configurability: Total design freedom with custom appliqués and glazing; flush flat-panel front door available that perfectly mirrors garage door for high-end "Grand Designs" finish

✓ Build Quality: Sealed panel joints for structural integrity; robust and secure construction; smooth operation with minimal maintenance

✓ Warranty: 10-year manufacturer's warranty on panels and construction; 15,000-cycle spring guarantee; expected lifespan 25–30+ years

Size Ranges & Installation Options

R40 Models (Tension Spring System)

• Maximum width: 3,500 mm (3.5 metres)

• Maximum height: 2,500 mm (2.5 metres)

• Suitable for: Standard single and smaller double garages

• Headroom options: Low headroom tracks available (110 mm minimum)

• Side room requirement: Typically 80–140 mm (varies by track type)

TL Models (Torsion Spring System)

• Maximum width: 6,000 mm (6 metres) – can be extended to 8 m+ on request

• Maximum height: 3,000 mm (3 metres)

• Suitable for: Large double garages, triple garages, or extra-wide openings

• Headroom requirement: 180 mm minimum (low headroom front-mounted springs)

• Optional rear-mounted springs: Available for extremely tight headroom situations

Automation & Smart Features (Optional Upgrades)

• Remote control operation available

• Smart home integration with Wi-Fi enabled automation options

• Battery backup systems for power-cut operation (TL models)

• Pedestrian wicket door available for larger doors (allows access without opening main door)

• Glazing options: Windows, full-width vision panels, or integrated LED lighting

Warranty Details

Enjoy peace of mind and long-term performance when your Ryterna door is installed, maintained, and operated according to guidelines. Coverage applies to doors used at standard rates within the country of purchase.

Surface Options:

Standard RAL Colours:

Traffic White RAL 9016 (smooth, woodgrain, stucco)	Anthracite Grey RAL 7016 (smooth, woodgrain, stucco)	Signal Black RAL 9004 (smooth)
White Aluminium RAL 9006 (smooth)

Slick+ Range:

Anthracite Grey Metallic (smooth)	Old Copper (smooth)	Brushed Stainless Steel (smooth)
3D White (smooth)	3D Grey (smooth)