By the SightShield team · · 3 min read
The side-space problem
A standard sliding gate needs clear space beside the opening at least as wide as the gate itself, plus a little extra. On many Bangalore plots — 30x40 and 40x60 sites with narrow frontages, or driveways next to a building — that space does not exist. Swing gates need space inside the compound for the leaves to open, which may be taken by parking or a slope. Telescopic sliding gates solve this by splitting the gate into two or more leaves that slide over each other.
How a telescopic gate works
A telescopic gate has two or more panels on parallel tracks. When the motor pulls the main leaf, a belt, chain or pulley mechanism makes the second leaf move with it at a different speed, so both stack together at the side. A two-leaf telescopic gate needs roughly half the side space of a single sliding gate; three leaves need about a third.
Comparing gate types
| Gate type | Space needed | Notes |
|---|---|---|
| Swing (single or double) | Inside the compound for the arc of the leaves | Simple; affected by slopes and parked cars |
| Standard sliding | Side space equal to the opening | Robust and common; needs a long clear wall |
| Telescopic sliding | About half (2 leaves) or a third (3 leaves) of the opening | More moving parts; ideal for tight plots |
| Cantilever sliding | Side space plus counterweight length; no floor track across the opening | Good for uneven or dirty ground |
Automating a telescopic gate
- A standard sliding gate motor drives the main leaf through a gear rack.
- The telescopic kit links the second leaf so they move together.
- Motor size depends on the combined weight of all leaves and the friction of the extra tracks and pulleys.
- Soft start and soft stop reduce shock on the linkage.
- Photocells and safety edges are essential, as with any automatic gate.
Tracks and installation
- Tracks must be perfectly level and parallel; small errors cause jamming.
- Embed tracks in a solid concrete base, not on loose paver blocks.
- Provide drainage so tracks are not waterlogged in the monsoon.
- Use quality wheels and pulleys rated for the gate weight.
Maintenance
- Keep tracks clear of stones, sand and leaves.
- Check belt or cable tension in the telescopic kit.
- Lubricate pulleys and wheels as the maker recommends.
- Check gate alignment after heavy use or impacts.
- Test safety devices regularly.
Can an existing gate be converted?
Sometimes. An existing sliding gate can be split into two leaves and fitted with a telescopic kit if the structure and tracks allow it. Often it is better to fabricate new lighter leaves designed for telescopic operation. A site visit decides.
Can my existing gate be automated? →An example
A house in Basaveshwaranagar had a 16-foot driveway opening but only 9 feet of wall beside it, and a slope inside that ruled out swing gates. A two-leaf telescopic sliding gate stacked within 9 feet, driven by a sliding gate motor with soft start and stop and photocells at both sides. The owner gained automatic opening without rebuilding the compound wall.
Plan it right
We survey the opening, side space, ground and gate weight, and recommend whether telescopic, standard sliding, cantilever or swing is best for your plot.
Gate automation services →Quick answers
What is a telescopic sliding gate?+
A sliding gate with two or more leaves that slide over each other, needing less side space.
How much side space does a telescopic gate need?+
About half the opening for two leaves and about a third for three leaves.
Can a telescopic gate be automated?+
Yes, using a sliding gate motor on the main leaf with a telescopic linkage kit.
Are telescopic gates reliable?+
Yes, if tracks are level and maintained; they have more moving parts than standard sliding gates.
Can my existing gate be made telescopic?+
Sometimes, depending on structure and tracks. New lighter leaves are often better.