SL70 Aluminium Windows

Key Features Design Performance & Gallery

SL70 Aluminium Casement

Our SL70 Slimline Aluminium Casement Window system offers the benefits of the very latest in premium grade aluminium and the thermal break technology for fantastic levels of insulation without compromising on the sleek appearance of its frames.

The ultra-slim sightlines, due to its narrow frames, allow for more natural light indoors and the overall contemporary styling with square line sashes is guaranteed to modernise your property.

The 70mm depth of outer frames makes these windows ideal whether you’re looking for a versatile system to replace existing glazing, or for the sturdy and thermally efficient choice for new builds and extensions. The SL70 contemporary casement system allows for both side hung and top hung outward openings.

Slim Frames

Narrow sightlines of SL70 standard profile make them extremely popular with homeowners wanting to enjoy more natural light indoors!

Thermal permormance

Despite slim frames, this window can still achieve U-values from 1.0 W/m2K!

Versatile Design

Contemporary sashes are available in a range of configurations, profiles and even heavy duty option to accommodate larger sizes!

Key Features of SL70

Modern, contemporary styling with square line sashes
Tested to security standard PAS 24:2016
Slimline and heavy duty sashes available to accommodate different size windows
Available in Standard or Flush profile
Outward opening configurations with top and side hung sashes
Full suite of bay poles, cills and accessory profiles to create bespoke configurations
Uw from 1,0 W/ m²K
Outstanding thermal and acoustic performance
High performance Planitherm Total Plus soft coat energy saving double glazing with warm edge spacer bars
Can accommodate double glazed and triple glazed units
Choice of ironmongery with matching hardware in 9 colour options
Variety of powder coated RAL finishes + dual colour, anodised and even wood-effect finishes
Excellent choice for newbuilds, extensions and replacement projects

Profile

With the slimmest visible sightline of just 65mm in a standard profile, these aluminium windows offer you a perfect way to introduce more natural light into your interiors without compromising on thermal performance, thanks to the thermal brakes and excellent insulation!

There’s also an option to go for the contemporary flush frame design, or go extra large with our heavy duty options. Please speak to our team about the desired look or u-values you’re seeking to achieve, as each of the variations comes with different sightlines and thermal performance.

Configurations

SL70 has a wide range of customisable options to help you design windows that perfectly suit the character of your building. Or if you’re looking for windows that could replace your old, tired ones - this system, due its 70mm frame depth is a front running contender!

Customisable with a range of outward opening possibilities - top, side hung or the fixed ones, and the full suite of bay poles, cills and accessory profiles to create bespoke configurations.

Hardware

A classic design with a contemporary twist!

Ergonomically designed for easy and practical operation. This handle has key deadlocking for security and the key clicks into place when inserted and will remain in place when pivoting the lever. Designed with a heavy duty sprung latching wedge to create a positive click on closing, ensuring the window is locked.

These window handles have been tested to the highest technical standards and meet the requirements of PAS 24:2012.

Colours

Anthracite Grey RAL 7016 — Anthracite Grey 7016

More Colours

Aluminium frames can be polyester-powder coated in a wide range of RAL colours, or come in a wide range of other finishes including an anodised finish - for that metallic option, woodgrain - to perfectly imitate the natural look of timber, and event come as anti-bacterial powder coatings.

Our standard range of RAL colours covers some of the most popular customer choices for achieving that premium look. Though if you're looking for something different choose from a wade variety of RAL palette options and finishes.

For something a little bit different - choose textured coatex finish, or dual colour, where you can have different colour on the inside than on the outside!

Security & Performance

SL70 Aluminium Casement Windows come with an incredible possibility of reaching top thermal performance, from 1.0 W/ m²K. This impressive capability is thanks to its 32 mm thermal break and HI Foam.

SL70 has the British security certification PAS 24, being especially suitable for this market. Security performance is vital when selecting the right windows for your home and your windows are only as strong as their locks, which is why we use the highest quality multi-point locking systems that have passed the prestigious PAS 24 security tests and are certified by the police approved Secured by Design scheme. More security features please consult our team. They will advise on fire escape, building regulation and containment issues when planning your installation to ensure safety remains paramount.

Technical

Glazing: Max. 44 mm, Min. 23 mm
Opening possibilities: Outward opening, Side hung, Top hung
Sightlines: Frame 70 mm, Sash 70 mm
Profile thickness: Window 1.6 mm
Polyamide strip length: 32 mm
Maximum sash dimensions:
Slim sash (Side hung)
Width (W) 700 mm
Height (H) 1.300 mm
Slim sash (Top hung)
Width (W) 1.200 mm
Height (H) 1.300 mm
Heavy duty sash (Side hung)
Width (W) 750 mm
Height (H) 1.750 mm
Heavy duty sash (Top hung)
Width (W) 1.800 mm
Height (H) 1.800 mm
Maximum sash weight:
Side hung Slim sash 35 Kg
Top hung Slim sash: 50 kg
Side Hung Heavy duty sash: 42 kg
Top Hung Heavy duty sash: 100 kg

Test Centre

Transmittance: Uw ≥ 1.0 (W/m2K)
Acoustic insulation: Rw up to 45 dB
Air permeability: (EN 12207) Class 4
Water tightness: (EN 12208) Class E1200
Wind resistance: (EN 12210) Class CE2400
Security test: PAS24 Passed

Reference test 1.438 x 1.355 m / 1 sash + 1 fixed light Security test: Reference test 1.438 x 1.355 m / 1 sash + 1 fixed light