Will a Lockly Smart Lock Fit Your NZ Door? A Plain-English GuideStandard timber, aluminium, narrow stiles — here's what fits, what doesn't, and how to check before you buy.Most timber doors: yesStandard 35–55mm timber doors with a 60mm or 70mm backset will accept Lockly Secure Pro and Vision Elite straight out of the box.Aluminium and narrow-stile doorsAluminium doors usually need a Lockly Flex bolt or specific narrow-stile model. Measure your stile width and door thickness before ordering.Glass slider and french doorsLockly's standard deadbolt range isn't designed for these — talk to our team for alternative recommendations.