2 Track Patio Threshold
3 Track Patio Threshold
Typical Meeting Style
The following profiles are the main profiles that we use as standard. More profile options are available and can be found in the Technical Manual.
47mm depth on both 2 track and 3 track doors.
70mm frame width for 2 track patios.
122mm frame width for 3 track patios.
Choice of 85mm, 150mm, 190mm or 225mm.
Squareline sash with 35mm width meeting style. Choice of 3 meeting depending upon wind load and size of doors.
Squareline bead for 28mm units used as standard.
20mm add-on fitted as standard to the head of the frame where trickle vents are specified.
Products are available in a choice of standard or non-standard colours,
including metallic, dual colour and Smart’s unique Sensations range of textured
||Typical Lead Time
|RAL7016 Matt - Anthracite Grey
|RAL9005 Matt - Black
|Standard RAL Colours
U Values & Energy Ratings
|Typical Glazing Specification
(To achieve U Value)
(Based upon Glazing Spec)
||4-20-4 Planitherm + Low Iron + Warm Edge Spacer + Argon Fill
||4-20-4 Planitherm 4S + Low Iron + Warm Edge Spacer + Argon Fill
28mm double glazed units as standard.
24mm and 32mm units also available.
Wrap around glazing (factory glazed).
Sliding Door Styles (2 Track)
The following styles are available for our 2 track patio sliding doors.
Sliding Door Styles (3 Track)
The following styles are available for our 3 track patio sliding doors. 3 Track patios enable 3 panels to stack in front of each other allowing two thirds of the width to open.
The following size restrictions apply to our aluminium sliding doors. If you require doors outside of these limits then please contact us as we are able to provide alternative options.
|Number of Panes
||Max Sash Width
||Max Overall Width
||Max Overall Height*
Please click on an image to enlarge.