Lockwood 9800 Series Concealed Overhead Transom Door Closers provide a solution for applications where door control must be provided without disturbing the appearance of the door. The closer fits into the transom above the door, most of the preparatory work is undertaken prior to installation, leaving minimal on site fitting. Fully concealed door closers are designed to provide positive centering and door control on manually operated single or double action internal and external doors in schools, hospitals, clubs, factories, offices and commercial buildings.Maximum door weight 115kg. Minimum door thickness 38mm. Maximum door opening angle of 130° Mechanical hold-open at 90° and 105° Built in back check from approximately 80°
How to hang a door
Bring privacy to a room by installing a door. We’ll teach you how to hang one yourself.
Gates & Fencing
How to install a pad bolt
A pad bolt is a simple way to lock a gate or a door. Learn how easy it is to install one yourself.
How to choose the perfect blinds
Blinds are a great way to control light, set the mood, maintain privacy and they are ideal for simple clean living spaces. But how do you select the right blind for your home?
How to measure your windows for inside mounting blinds
Before you order your made-to-measure indoor blinds, you'll need to know how to measure your windows for inside mounting.
How to hang curtains
When you hang curtains properly the difference can be amazing.
How to install roman blinds
A quick and stylish way to block out the sun, insulate your window and get total privacy.
How to install architraves
Find out how easy it is to install an architrave around a window frame. Simply follow our step-by-step guide.
How to frost glass
Frosted glass on your windows is great way to improve the privacy of any room.