Which size door?

a) Single skin door upto 10’0” wide
b) 20 mm insulated upto 10’0” wide

a) All 40 mm insulated doors
b) 20 mm insulated over 10’0” wide
c) Single skin door over 10’0” wide

a) All 40 mm insulated with low headroom gear
b) Single skin over 10’0” wide with low headroom gear
c) 20 mm insulated over 10’0” wide with low headroom gear

Door height plus
100 mm.
Door height plus
210 mm.

Door height plus
100 mm.

Door height plus
115 mm.
Door height plus
210 mm.
Door height plus
115 mm.

If the headroom available is less than that required in the diagram, the roller can be fitted lower, but the drive through height will be reduced.

Also, the curve of the roller may become evident when viewed from the front with the door shut, if the door is fitted too low

For automatic single doors, a minimum of 110mm is needed on the motor end of the door.
N.B. Single doors for opening up to 11’ wide are made 2” wider than the opening (1” of curtain sits in the guide channels each side). Double doors over 11’ wide are made 4” wider than the opening (2” of curtain sits in the guide channels each side).

4. Insulated roller garage doors.


• Headroom needed for box which houses roll is 300 mm square.
• Side room for guides minimum 90 mm.
• If you have less headroom or side room or have some questions please telephone us on 01691 670394.