Aluminum Casement Door with Magnetic Internal Blinds Double Glazed Low-E Acoustic Thermal Break for Villa Patio

Product Overview

This Aluminum Casement Door with Magnetic Internal Blinds Double Glazed Low-E Acoustic Thermal Break for Villa Patio puts the shading inside the glass instead of in front of it. A magnetic blind assembly is sealed in the 20 mm argon cavity of the double glazed unit, so dust never reaches the slats and no cord hangs beside the leaf. The blind is driven by a cord-free magnetic carriage: slide the outer handle up the sash and the slats tilt and stack with it.

The leaf runs on a 6063-T5 thermal break aluminium frame with an 18 mm PA66GF25 barrier and dual EPDM gaskets, which keeps the door usable as an exterior patio leaf in both heating and cooling climates. It is ordered to project drawings — leaf size, glazing build, hardware grade, blind colour and finish are frozen at shop-drawing stage.

How the Magnetic Blind System Is Built

The blind stack, its tilt mechanism and a magnetic follower are assembled into the sealed unit before the two glass panes are laminated to the spacer. Because the driver magnet sits outside the cavity, there is no penetration through the glass or the spacer: no cord hole, no grommet, no route for argon to escape. The slats are aluminium, silicone-coated at the edges so they do not rattle against the glass under wind load, and the assembly is rated for the same service life as the sealed unit itself.

Technical Specifications

Parameter	Engineering Specification
Profile System	6063-T5 thermal break aluminium, 65 mm frame depth / 70 mm sash depth, mitred and crimped corners
Profile Wall Thickness	1.8 mm – 2.0 mm on frame and sash load-bearing walls (above the 1.4 mm EN 14351-1 minimum)
Thermal Insulation Strip	PA66GF25 glass-fibre reinforced polyamide, 18 mm, double chamber, roll-formed and knurled
Glazing Configuration	5 mm Low-E tempered + 20 mm sealed blind cavity + 5 mm tempered (double glazed); 6+20A+6 or laminated 6.38 mm on request
Thermal Transmittance (U-Value)	1.9 – 2.3 W/m²K for the standard 5+20A+5 Low-E build (climate-zone dependent)
Hardware System	304 stainless steel concealed hinges, multi-point lock with 3 locking points, 40 mm backset lever handle; magnetic blind carriage with cord-free slider
Wind Load Resistance	Class 4 – Class 5, 2,500 – 3,500 Pa depending on leaf size and anchorage
Air Tightness	EN 12207 Class 3, ≤ 1.5 m³/(h·m) at 100 Pa with dual EPDM weatherstrip
Water Tightness	EN 12208 Class 5 – Class 6, 400 – 700 Pa with stepped threshold and pressure-equalised drainage
Sound Insulation	Rw 32 – 36 dB with the 5+20A+5 Low-E build; Rw 38 dB with laminated glass
Surface Finishing	PVDF fluorocarbon, polyester powder coat or anodised; standard RAL 9005 black, burgundy, grey and white, custom RAL on request
Quality & Certification	NFRC rated system, CE marking to EN 14351-1, ISO 9001:2015 factory system

Thermal, Acoustic and Light Control Performance

The 5+20A+5 Low-E build lands between 1.9 and 2.3 W/m²K. Closing the internal blind adds a still air layer on the room side of the glass, which lifts the inner pane surface temperature by roughly 1 – 2 °C in winter and is what keeps the frame from sweating at the bottom rail. Acoustic performance is Rw 32 – 36 dB because the blind stack breaks up the standing wave inside the cavity; laminated glass takes it to Rw 38 dB. Light control is continuous rather than stepped — the slats tilt from fully open to fully closed at any leaf position.

Hardware, Security and Weather Sealing

Concealed 304 stainless hinges carry the leaf, and a multi-point lock drives three locking points into the frame rebate with a 40 mm backset lever handle. Dual EPDM gaskets sit on the frame and the sash, and the stepped threshold with a pressure-equalised drainage channel takes wind-driven rain out under the leaf instead of past the seals. The magnetic carriage is serviceable from the interior without removing the sealed unit.

Finish Options and Project Applications

Aluminium surfaces are finished in PVDF fluorocarbon, polyester powder coat or anodised; standard colours are RAL 9005 black, burgundy, grey and white, with custom RAL on request. Blind slats are matched to or contrasted with the frame. Typical projects are villa patio and balcony openings, residential terraces where external shading is not permitted by the facade, and hotel guest rooms that need blackout without a curtain pocket.

Commercial Terms, Packing and Lead Time

Minimum Order Quantity: 2 pieces
Indicative Price: $115-128 / piece (final price depends on leaf size, glazing build and quantity)
Lead Time: 25 – 35 days after approved shop drawings and deposit
Packing: PE film + corner protectors + plywood crate, ISPM-15 compliant for sea freight
Trade Terms: FOB / CIF / DDP quoted per destination port
Warranty: 5 years on hardware and finish, 10 years on the profile system and sealed unit