External Door Structural Opening Sizes

Getting the rough opening size right the first time will save you from frustration when installing your doors.

External door structural opening sizes.

Height of structural opening. The most typical door frame width in england wales is 762mm. Top middle and bottom to make sure your opening is not smaller in one place than others. Typically internal french doors are either 35mm or 40mm thick while external french doors are 44mm in thickness and are available in sizes from 36 x78 to 42 x78 46 x78 48 78 54 78 and 60 78.

Framing rough opening sizes are really quite simple. All dimensions in millimetres. French doors are available in a wide range of sizes though some manufacturers offer more size options than others. Just add 2 to the width of the actual door size.

Structural openings for blockwork allowing for 18mm ply sub liners. Door width lining depth fitting tolerance overall door kit width structural opening width 533mm 21 25mm 2mm 587mm 592mm 610mm 24 25mm 2mm 664mm 669mm 686mm 27 25mm 2mm 740mm 745mm 762mm 30 25mm 2mm 816mm 821mm. You should add 2 1 2 to the height of the actual door. So on an external brick opening you would add 80mm to the width and the height of the door to get close to the brickwork and on internal doors you would add 60mm to the width and just 30mm to the height of the door to get near to the brick to brick opening.

These allow 10mm over actual frame dimensions. As external doors need to be more sturdy they are usually thicker with 44mm 1 3 4 being the most common thickness in domestic settings. In scotland the most common door frame width is 726mm. The widest measurement will determine the width of the door.

H4 for door width 925 h1 h3 h4 h2 door dimensions the table below shows a selection of standard sizes for single acting doors. Door frames can be supplied pre assembled or in component parts which can be cut to size to fit all door sizes. The standard heights and widths of external doors are often comparable to standard internal door sizes. Width of structural opening measure your opening from one side to the other do this om three places.

Entry doors are usually 36 inches wide. Standard door widths structural opening width standard opening height 457 523 2033 533 599 2033 610 676 2033 686 752 2033 762 828 2033 838 904 2033 864 930 2033 914 983 2033. As the size of the frame you require will depend on the size of the opening there is no standard uk door frame size.