Roof Slab Thickness

The reinforcement details for rcc roof can be categorized in two ways.

Roof slab thickness.

1 3 minimum thickness of slab on the ground ubc recommends minimum thickness of concrete floor slabs supported directly on the ground to be 89mm whereas bcgbc4010a apply structural principles to residential low rise constructions determined minimum thickness to be 100mm. During harmattan and rainy period solar energy is to be supplemented by fuelwood for water heating. You could also do a low mid rise with joists sheathing and a concrete topper 2 or gypcrete 3 4 or so. So a minimum thickness of 5 should be maintained.

A solid slab of concrete capping the top of your house. When installed however the shingles overlap doubling the thickness. Commercial is typically steel w a composite deck so you ll have a 5 6 slab sitting on top of steel beams. The thickness of conventional slab is 4 or 10cm.

Minimum thickness of rcc slab i recommend is 5 125mm because a slab may contain electrical pipes embedded into them which could be 0 5 or more for internal wiring which effectively reduces slab depths at certain places causing cracking weakening and water leakage during rains. With that in mind i ve seen slabs as thick as 16 18 due to column spacing. A concrete roof is exactly what it sounds like. For slab thickness it is advised to keep it at least 5 because at some places the slab depth can be less due to electrical pipes and internal wiring.

Slab on ground 1 4 minimum thickness of diaphragms. Conventional concrete slabs are square in shape and have a length of 4m. A solar collector of 3 2 m 2 area mounted on the r c. Standard asphalt shingles add very little thickness to the roof because a standard three tab shingle is about 3 16 inch thick.

Exact specifications vary but most concrete roofs are several inches thick. 5 to 6 inches is recommended if the concrete will receive occasional heavy loads such as motor homes or garbage trucks.