Structural Slab Level And Finished Floor Level

Ffl finished floor level.

Structural slab level and finished floor level. Floor finishing level is the final reduced level of the flooring level tiles marble. This is where all the building element finish levels are referenced from. Sfl refers to the level at the top surface of the floor screeding or concrete. Per say the floor finish level is 50 mm generally above the concrete mother slab level.

Ssl structural slab level. The ultimate goal is a flat level slab. Ssl structural slab level is typically more used within the industrial and commercial markets and is very simply the level of which the structural concrete floor slab would finish however the term ssl is only use if there was to be other finishes to be placed over the structural slab. Polyurethane foam is injected through holes where it expands and raises the slab.

Foam is injected until the floor is level reaching 90 rigidity within 30 minutes. Finished floor level ffl refers to the uppermost surface of a floor once construction has been completed but before any finishes have been applied. In the case of an elevated slab that has camber the f l the structural slab must placed first deflecting to its final shape followed by a topping finish slab that gets measured for floor levelness. Penny sized holes are bored into the slab in each affected room.

Very small sections of existing finished flooring are removed to access slab. In coastal areas wave action causes even more damage often destroying enclosed building areas below the flood level and any building areas above the flood level that depend on the lower area for structural support. Correct me if iam wrong ffl refers to the level at the top surface of floor finish. We know the steel will deflect under the weight of the wet concrete and because the slabs are often ul rated the design slab thickness is a minimum thickness to achieve the necessary fire resistance.

If you plan on leveling a concrete floor you can do so with relative ease by using a leveling compound. Floor flatness f f f f numbers depict the floor flatness or how close to planar the floor is. Is it the finish floor level ffl or the structural finish level sfl or the structural slab level ssl. It spreads across uneven slabs filling in low spots as it creates a new level surface.

In other words floor flatness is a statistical. Finished floor level designing buildings wiki share your construction industry knowledge.