By reducing the quantity and weight of material the roof become less expensive yet retains the strength of the conventional slab.
Filler roof slab.
The filler material.
For example grid of 35cm x 50cm is used for magalore tile as filler material and grid of 45cm x 45cm is used for clay pots of 40cm diameter filler.
The filler slab is based on the principle that for roofs which are simply supported the upper part of the slab is subjected to compressive forces and the lower part of the slab experience tensile forces.
One way to make a boring and expensive concrete slab sexy lighter and cheaper is to use a filler slab.
With proper supervision and workmanship leaks can be avoided.
The size of grid depends on structural design and size of filler material.
Filler slab roof construction.
A filler slab is where we replace a portion of concrete in the tension zone of the slab with inexpensive lightweight filler materials such as clay roof mangalore tiles bricks earthen pots coconut shells glass bottles or any other creative material you can think of.
The filler material thus is not a structural part of the slab.
Filler slab is based on the concrete portions and instead of placing filler material there and is one cost effective roofing system.
Once the shuttering is done the reinforcements are laid in grid form.
The chance of a leak in a filler slab is much the same as the conventional r c c slab.
Filler slab technology is a simple and a very innovative technology for a slab construction.
Leak proofing filler slabs.