Without the right set of captive rollers the doors can be unstable.
Top hung sliding glass door vs bottom roll.
Your doors will never be completely protected from forced entry and gales.
Compared to casement windows can allow less airflow.
A classic look and timeless.
One of the most common and popular styles.
Bottom hung doors are essentially easier to install and may prove less costly in the short term.
Flexible ventilation and a classic look.
With top hung bi folds all the weight is at the top of the frame.
Used for the following applications.
This means that even if you take extra security precautions a bottom rolling system will never be as secure as a top hung system.
This is because there is no need for the building to carry the door s load up top.
Top hung sliding doors and stacking glass door systems allows for there to be no track in the floor.
A top guide system is used to prevent the door from tipping over at the top.
The wall or ceiling is not strong enough to support the weight of the door.
Rather the weight is mainly at floor level so it is important to keep the channels well maintained.
This gives them a smoother operation and makes them more stable than top hung bi folds.
The main disadvantage of bottom rolling doors is that it is possible to lift the panels from their tracks.
Some homeowners don t prefer the horizontal muntin obstructing the glass.
Never satisfied with the status quo dams incorporated s development team consistently leads the industry with innovations such as vinyl sidelite rails for roll in vinyl glazing the smooth as glass top hung sliding door and stacking glass door systems.
Otop hung sliding 90 stack area 900 stacking door system pictured here is a plan view of a 90o stacking system in the closed position.
Can be opened from the top or bottom.