The first question: what are their keel ceiling, the other used keel has no features?
The second question: how are their installation methods and their keel spacing? Is there any special spacing?
The third question: I hope you can provide photos of the above two questions, thank you for additional points.
"Steel plate" - this is not plastic buckle plate? It may be customary on the difference between the name of it - if it is plastic buckle plate, then it is the main keel keel, the installation of the time with the self-tapping screws to the plastic buckle plate can be fixed on the wooden keel.
Film ceiling, should be "soft film ceiling", which has a special accessories production, can not be called keel.
Mineral wool board keel, called "T-type paint keel", its operation method and gypsum board ceiling similar to the distance between the main keel is generally not more than 120 cm.
Aluminum slab ceiling with its dedicated keel, and the two keel is different. Aluminum buckle plate on the card slot, the keel on the corresponding bayonet, when the construction, as long as the aluminum buckle cardboard keel on the bayonet can be.
Gypsum board ceiling with light steel keel, of course, also used to make wooden keel. Light steel keel characteristics, is not easy to deformation, the top flatness is higher, fire, durable. While the keel is just the opposite.
Light steel keel ceiling when the keel is connected with hanging bars, hanging tendons are fixed in the building top (bottom) surface. The distance between the keel is generally 30 cm, but there are 40 cm. Whether it is 30 cm, or 40 cm, the spacing in the normal construction conditions are fixed, may be that you say "special spacing" of the.
