External Door Structural Opening Sizes

All dimensions in millimetres.

External door structural opening sizes.

Height of structural opening. Framing rough opening sizes are really quite simple. The most typical door frame width in england wales is 762mm. Just add 2 to the width of the actual door size.

Top middle and bottom to make sure your opening is not smaller in one place than others. French doors are available in a wide range of sizes though some manufacturers offer more size options than others. You should add 2 1 2 to the height of the actual 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.

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. The standard heights and widths of external doors are often comparable to standard internal door sizes. 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.

The main difference is seen in the thickness of external doors. Entry doors are usually 36 inches wide. 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 widest measurement will determine the width of the 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. 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. Getting the rough opening size right the first time will save you from frustration when installing your doors. 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.

In scotland the most common door frame width is 726mm. Door set sizes door leaf mm outer frame structural module clear opening widths measurement opening size 90 90 90 mm mm 40mm 45mm 62mm single 625 x 2052 686 x 2089 710 x 2100 7 x 21 560 555 539 725 x. Width of structural opening measure your opening from one side to the other do this om three places.