Framing Your Door Rough Opening Correctly:
First you must determine the size of your door and Rough opening.


To determine what size door you need, simply open one door and measure the width and the length. We will do the rest.

For new construction – Measure Your door’s width and height then add 20 mm  to the width and add 20mm to the height, this will give you the correct rough openings. The reason for the extra space is to allow room for the door frame and for space to adjust the door.


Rough Opening: Dimensions of the opening in the framework of the home required to install a complete door unit. (allowing clearance on top and each side for stabilisation shims)

Threshold: The bottom sill of the door unit which acts as the bottom of the frame unit and achieves the water and air barrier that meets with the door sweep.

Transom: A piece of decorative glass placed atop the doorway.

Sidelite: The side panels beside a door, typically filled with glass for decoration and to allow more light.

Inactive Door: In a double door unit, this is the door that has the T-Astragal and the flush bolts. This door will also act as a secondary entrance. Can be locked or unlocked using the flush bolts to allow the door to swing or not.

Lockset: The complete handle-set with locking system.

Flush Bolt: A bolt that is flush with the face or edge of the door when retracted.

Weather-strip: The flexible strips surrounding the door panel designed to impede airflow and reduce moisture when the door is closed.


Rain glass:A textured decorative glass. It is produced by passing the soft hot sheet glass through 2 rollers; one which is smooth and the other with a texture. The texture is embossed into the glass. Rain glass exhibits a texture
which looks like a multitude of rain drops racing down the face of the glass, providing a high level of obscurity.

Tempered Glass: Glass that has been heated and cooled so that it shatters into small pieces when broken. Also called safety glass. It is much stronger to impact than annealed glass.

Insulated Glass: Two pieces of glass spaced apart by a metal strip and sealed with rubber to create a more weatherproofed joint.


Swing-in: A door which opens inwards towards the house. May be a right-hand or left-hand swing.

Swing-out: A door which opens out from the house. May be a right-hand or left-hand swing.

Left-hand swing: The door opens counter-clockwise, regardless of your point of reference.

Right-hand swing: The door opens clockwise, regardless of your point of reference.

Wrought Iron: A commercial term used to describe the art and craft of welding various types of iron into ornamental, decorative, and functional items