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Driveway Gate sizes listed are the ACTUAL width of the gate. Therefore, you will need to allow for hinge/ centre clearance and posts/ pillars.
Calculating the required size is an important task to complete, but we can help you if needed.
1. Calculating the width required between existing Pillars or Posts:
Take three measurements, top, middle and bottom.
The shortest measurement will be the one required to calculate your gate size.
Reduce the measurement by 40mm (1, 1/2 inch). (This is the gap required for a standard hook & band hinge set & the centre opening)
Example: Shortest Width: 3m 450mm (minus 40mm) =
ACTUAL WIDTH OF GATE 3m 410mm.
2. Calculating the width required without Posts in position:
Take the total measurement of your opening Example: 4m 320mm)
Decide on the size of posts needed either 4" x 4" (95mm x 95mm) or 6" x 6" (150mm x 150mm). Generally, an opening size of 3m will be 4" x 4" posts, any size over will need 6" x 6" posts.
Reduce the posts off the opening measurement: Example: 4m 320mm MINUS (2x 6" x 6" posts) = 4m 020mm
Finally, reduce the 40mm gap (for hinges/centre opening): Example: 4m 020mm MINUS HINGE ALLOWANCE = 3m 980mm
ACTUAL WIDTH OF GATE WILL BE: 3m 980mm