Exterior french door with narrow sidelite panels - Too narrow for drilling!

[PhilButton]

Hi
I've brought some lovey looking french doors to replace standard sized sliding patio doors. Unfortunately they have narrow side panes that are narrower than a standard drill, let alone the bit length!
So, the unit has 3 sections, the two outer side panes and the central door section which have to be assembled prior to fitting.
So how do you drill for frame fixings? I'm guessing I will have to offer the whole unit up to the hole in the wall several times?

First to mark suitable locations for the fixings on the door frame.
Then take it out to drill the holes in the frame from the outer aspect of the frame.

Second to mark on the brick through the frame drillings the location of these holes.
Take it out to drill the holes in the brick work.

Third to actually screw in the frame fixings.

Does this sound correct?
Any other suggestions?
Phil

 

[Gazman16]

Have you got frame couplers too? if so how thick are they?
You maybe able to fix right through from the door side to join the frames assuming the sidelights have metal reinforcing.
For fixing to the wall get these https://www.ebay.co.uk/itm/WINDOW-D...hash=item1c7c9c48d3:m:mk4U91bewKt6NnRDKx75itA
and a long (250-300mm) 6mm hammer drill bit. No plugs needed so you can just drill and fix on an angle.

 

[PhilButton]

I've got aluminium coupler bars to join side pain frames to door frame. They're about 1cm thick. The side lights are metal reinforced frames. I'd read about those fixings. Thanks for the help.

 

[phatboy]

Can you fit it all on brackets?

 

[PhilButton]

May I ask a slightly stupid sounding question? The hole in the frame presumably has to be big enough for the masonry screw to go through without threading? So a hole the same size as the screw in the frame and a smaller pilot hole (6mm) in the brick?

 

[PhilButton]

Can you fit it all on brackets?

Could do apparently but I fancy either a right angle chuck adaptor or angling with a longer drill bit.