22 Sept 2026
Lift & Slide Alu-Clad Door (S315A)
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A 202mm deep triple-glazed sliding patio door with external Aluminium cladding.
Our most popular sliding door, the S315 lift and slide door can be specified to include up to four panels, with two opening panels. A wide variety of designs are possible to suit your project. Download available designs as a PDF. Depending on the configuration, this door can be specified up to maximum dimensions of approximately 8500mm in width and 2800mm in height.
Whole door U-values as low as 0.75W/m²K. This door is suitable for use in Passive Houses.
This door is available with a Juliet Balcony.
| Opening types | Lift and Slide |
| Frame depth | 202 mm |
| Whole window U-value | As low as 0.75 W/m²K |
| Glass U-value | 0.53 W/m²K |
| Glass package | 52 mm triple glazed, two panes Low-E, argon filled |
| Sound insulation | 34 db |
| Air permeability | Class 4 (EN 12207:2000) |
| Watertightness | Class E750 (EN 12208:2001) |
| Wind load | Class C4 (EN 12210:2001) |
| Timber Colours | RAL |
| Aluminium Colours | RAL, IGP textured |
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