Schüco ASE 60 Sliding Doors: A Complete Guide for Borehamwood Homes

The Schüco ASE 60 is one of the aluminium sliding door systems most frequently specified on residential extensions across Hertfordshire and North London. If you are considering a large opening at the rear of your home in Borehamwood — a garden-facing kitchen, a lounge extension or a wraparound — this is likely to be one of the systems your fabricator recommends. This article covers what the ASE 60 actually is, why it gets specified, and the details that decide whether it will perform the way you expect.

What the ASE 60 is designed for

ASE stands for Aluminium Slide Element. The 60 refers to the frame depth in millimetres. It is a mid-depth system built to handle sash weights up to around 400 kg per leaf with the standard hardware, and higher with reinforced tracks. In practical residential terms that means very large panes — a two-panel configuration with a fixed light and a sliding leaf typically produces panes over three metres wide with slim visible frames.

The system is a lift-and-slide type rather than an in-line slider. When you rotate the handle, the sash lifts off its seals and glides on rollers. When you close it, the sash drops back onto the seals to compress them and produce the airtight, weathertight seal that gives the ASE 60 its measured performance. This mechanism is why the doors feel heavy and deliberate to operate rather than light and floaty — it is a feature, not a fault.

Thermal performance in a UK context

With the standard 44 mm insulated glass unit, a typical Uw value on a two-track ASE 60 sits in the range published by Schüco's official UK site — comfortably inside Part L targets for domestic replacement work when combined with a well-installed cavity closure and continuous insulation around the reveal. If you are meeting new-build or extension standards, discussing triple glazing options with your installer is worth doing early because it affects the reinforcement of the frame and hardware.

Where the ASE 60 outperforms cheaper sliders

• Air permeability holds up over time because the sash physically compresses the seals when lowered.
• Sightlines at the interlock stay slim — typically under 40 mm centre stack — which matters visually across a wide opening.
• Reinforcement can be scaled up for larger sashes without changing frame profile.

Configurations that work in Borehamwood extensions

The most common ASE 60 configurations we see in practice on Hertfordshire homes are:

1. Two-panel (fixed + slider): the workhorse. Fixed light on one side, sliding leaf clearing across it. Efficient use of glass area, one interlock, competitive on cost.
2. Three-panel with pocket slider: allows one leaf to disappear into a wall pocket for close-to-flush finish. Requires early coordination with the structural drawings.
3. Four-panel corner: two pairs meeting at an open corner. Beautiful but structurally demanding — a corner post is usually the honest solution unless a hidden goalpost is designed in.

What decides whether it performs on your project

Three site factors matter more than the product itself. First, the structural opening: sliding doors are unforgiving of out-of-square openings. Second, the threshold detail — a level threshold looks better but needs a channel drain and careful DPC lapping to avoid water tracking inwards. Third, the fabricator. The ASE 60 is a Schüco system, but the fabrication and installation are done by an approved partner. It is worth checking that partner status directly. Local installers like 5EC in Hertfordshire hold Schüco fabrication credentials, and their published aluminium sliding door specifications give a reasonable benchmark for the level of detail you should expect in a quotation.

Costs in realistic terms

ASE 60 is a mid-to-upper aluminium slider — expect to pay more than an entry-level residential slider and less than the flagship ASE 80 or panoramic systems. For a typical two-panel opening in the 3-to-4 metre range, supply-and-fit costs vary widely by finish, glazing spec and structural opening — but a good ballpark for standard powder-coated finish and standard glazing is in the mid-thousands per panel. Ironmongery upgrades, non-standard RAL colours and warm-edge triple glazing all push this up.

Living with the doors

Once installed, an ASE 60 is largely maintenance-free — silicone the perimeter beads occasionally, keep the drainage slots at the sill clear of leaves and dust, and grease the rollers if the operating handle starts to feel stiff. The gaskets are replaceable if they degrade, but on well-installed doors that typically only becomes a conversation after ten to fifteen years.

If you are at the stage of comparing quotations for a Schüco sliding installation, the useful next step is to look at the fabricator's own reference projects — not marketing photos, but jobs at addresses you can drive past. Any credible Schuco doors supplier in the region should be able to point you at half a dozen without hesitation.