External Door Structural Opening Sizes

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.

External door structural opening sizes.

In scotland the most common door frame width is 726mm. French doors are available in a wide range of sizes though some manufacturers offer more size options than others. Entry doors are usually 36 inches wide. Structural openings for blockwork allowing for 18mm ply sub liners.

Door frames can be supplied pre assembled or in component parts which can be cut to size to fit all door sizes. All dimensions in millimetres. While a door width of 36 inches is oversized for an interior door it s the standard size for front doors the standard height remains the same however. You should add 2 1 2 to the height of the actual door.

Height of structural opening. The main difference is seen in the thickness of external doors. 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. H4 for door width 925 h1 h3 h4 h2 door dimensions the table below shows a selection of standard sizes for single acting doors.

Framing rough opening sizes are really quite simple. The widest measurement will determine the width of the door. Getting the rough opening size right the first time will save you from frustration when installing your doors. 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.

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. As the size of the frame you require will depend on the size of the opening there is no standard uk door frame size. The most typical door frame width in england wales is 762mm. 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.

The standard heights and widths of external doors are often comparable to standard internal door sizes. These allow 10mm over actual frame dimensions. Just add 2 to the width of the actual door size.