type of concealed hinges for external door / gate ?

Sam Maguire · 25 Jun 2020

I am building a car port to side of house and plan to close in the front side facing road with a timber stud wall finished with pvc cladding. Within the wall I'd like to have a secret type single gate say 1100mm wide also in timber frame pvc sheeted. I want the gate to open out and finish flush and be very discreet when closed. Any ideas re hiding hinges or how best to make this work ? I see there are various cranked and or concealed hinges but could do with some direction please ?

sircerebus666 · 25 Jun 2020

Kitchen door type hinges spring to mind or similar

How do you intend to hide the obvious gap all around , what about a handle , will the door open inwards or outwards

big-all · 25 Jun 2020

you are talking external fully exposed perhaps 5-10% expansion so concealed is not an option better to use correct clearances and overlaps and work with them
on a say 3ft/920mm gate/door you need perhaps 25mm expansion gap [12mm each side]

JohnD · 25 Jun 2020

As you are planning to use cladding, you could use a normal timber gate with hook and band hinges, then fix the cladding with a slight overlap at the closing edge.

Outdoor gates tend to sag a bit.

Sam Maguire · 25 Jun 2020

Thanks for helpful replies. Outer face of gate will be exposed but internally will be covered. Yes I am thinking of timber frame gate and slightly overlapping the pvc cladding. 3 heavy duty cranked hook and band hinges might do the trick. Will they allow the cladding on door to finish flush with fixed cladding to side ? Door needs to open outwards for overlap to work. Hopefully the door won't be too heavy and potential slippage minimised. I need to look closely at the outer face of hinged side to ensure frame isn't fouling cladding.

big-all · 25 Jun 2020

remember the knuckle off the the hinge [pivot point]must be on or beyond the face off the gate otherwise the gate will only open part way

StephenStephen · 25 Jun 2020

Have a look at Soss hinges - bit expensive, but a lovely bit of engineering

Sam Maguire · 25 Jun 2020

Soss hinges look the business but will put the budget under serious pressure and are a big job for a basic diy chap like myself.

Sam Maguire · 25 Jun 2020

This is the style I was looking for - perhaps opening inwards is the way to go ?

JohnD · 25 Jun 2020

you can pack out the face of the gate to push the surface of your cladding out to the distance you want.

Looking at your vids, I see they've both used horizontal lines to distract your eye from the vertical edge of the door.

If you had vertical lines, the edge would not show at all.

big-all · 25 Jun 2020

the trouble with "hidden doors" is you will be tempted to avoid any gap where in fact to direct the water running down the face away from the top off the door you would have a bit off timber perhaps 15 thick with a 7% splay and an overhang off perhaps 30mm
and a 6mm capillery groove 6mm back underneath

Sam Maguire · 25 Jun 2020

Indeed, valid points re weathering of door especially if timber sub frame. Door sub frame probably going to be 100 x 50 which is same as adjoining wall so that should line up with the cladding. If the door ope is say 2m high x 1m wide am I looking at 3 butt hinges ? I like the look of these
https://www.screwfix.com/p/union-powerload-lift-off-hinge-fire-rated-100-x-88mm-3-pack/5938t with 5 fixings per face or is that OTT. What type will give me the tightest joint between leaf and frame ? I guess the potential for the timber to slip over time will be down to the construction of the frame - any suggestions, it will be 100 x 50 frame with some mid rails and bracing. Thanks again.

big-all · 26 Jun 2020

unfortunately your link brough up colgate toothpaste and other non related items

JohnD · 26 Jun 2020

it is stock no. 5938t on the screwfix site

The link might not work, but go to Screwfix and put that stock number in the "search" field.

Also look at the Ironmongerydirect website.

I got mine from there, lift-off fire hinges with phosphor-bronze bushes, made of stainless steel which I prefer. The fire hinges are particularly thick and strong, and the phosphor-bronze bush swings on a fingertip.

I managed to get a few stainless with PVD brass plating for my prestige doors (hardwood exterior doors) and my shed, but they seem to have become unobtainable.

Unlike the stainless with ball bearings, they seem to stand up to the weather without rust or corrosion, and being able to lift-off the door is a great advantage.

There are various makes.

Apart from the brand name stamped on them, they look surprisingly identical.

I have a number left over, of various types, which I am offering for sale at half retail price, plus postage or collection.

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type of concealed hinges for external door / gate ?

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