Standard Thickness Of Roof Slab

For a 6 inch slab therefore you would set your forms for a 6 inch thick slab.

Standard thickness of roof slab.

For a competent contractor working with a decent subbase that thickness would easily keep the average above the 5 5 8 inches needed to satisfy the average thickness tolerance. With that in mind i ve seen slabs as thick as 16 18 due to column spacing. But do owners really want to pay for the extra concrete. 6 8 inches 0 15 0 2 m side walks barn and granny floors.

So a minimum thickness of 5 should be maintained. 4 5 inches 0 1 0 125 m farm building floors home basement floors. For beam it should be 16mm and 12 mm as per span. Standard asphalt shingles add very little thickness to the roof because a standard three tab shingle is about 3 16 inch thick.

5 6 inches 0 125 0 15 m porches home garage floors. You could also do a low mid rise with joists sheathing and a concrete topper 2 or gypcrete 3 4 or so. Standard concrete floor slab thickness in residential construction is 4 inches. Ms steel for slab for main bar should be 10mm and for distribution 8mm or 10 mm.

However in general the thickness of rcc slab should be 4 5 thick. From the points of view of easier insertion removal of components and to accommodate manufacturing tolerances finite sizes of gaps have to be provided. Five to six inches is recommended if the concrete will receive occasional heavy loads such as motor homes or garbage trucks. Typical gap width is of the order of 15 30 mm whereas the enclosure height is about 2 m.

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. Commercial is typically steel w a composite deck so you ll have a 5 6 slab sitting on top of steel beams. When installed however the shingles overlap doubling the thickness. Narrower gap widths are also preferred to have compact layout and smaller size of roof slab.

The thickness of slab and ms steel arrangement is according to design based on span and loading condition. Slab on ground 1 4 minimum thickness of diaphragms.