The minimum thickness for a concrete slab in a garage or workshop is typically 4 inches (10 cm). However, for standard use and to support heavier loads, a thickness of 6 inches (15 cm) is often recommended. The appropriate thickness depends on factors like the intended use, the weight of equipment or vehicles, and local building codes.
One of the more popular uses for concrete garages, aside from parking, is a workshop. From woodworking to welding and everything in between, a concrete garage can be the perfect place to work on various projects. Since these buildings normally have concrete floors, you won’t have to worry about getting them dirty if you are working on greasy car parts.
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Determine the thickness of slab for garage/workshop, concrete floor structure first you should to figure out total load ,what kind of concrete slab you have needed, it is concentrated load or spread load all over the slab, there is a different rules for finding the thickness of slab for garage/workshop structure.
Construction structure concrete slab needs proper designs, grade of Steel, grade of concrete should be used to poured the concrete to make the floor slab. If you are confusing with acting load it is light medium or heavy take the help of architectural engineer better to calculate and make design of floor slab according to the load and span of floor slab.
You know that thickness of concrete floor slab depends on load acting on it and its span, whether it is concentrated load or is spread all over the slab, type of construction structure.
According to loading condition on concrete floor slab and their span, there is a choice to choose thickness of floor slab as proper design, but in this article using some basic thumb rules, regulation and guideline as per ACI code and IS code 456:2000 to find out minimum and standard thickness of concrete slab for garage/workshop.
Minimum & standard concrete slab thickness for garage/workshop
Concrete slab thickness for garage/ workshop depends on material, Engineering, load acting on it and span, it need proper design, what kind of material should be used, concreting material, Steels and other materials resist environmental factor, good and sound floor slab should be needed.
Slab thickness for garage/workshop:- using some basic thumb rules, regulation and guideline as per ACI code and IS code 456:2000, for concrete floor, concrete slab thickness for garage/workshop is kept 4 inch to 6″ (100mm to 150mm), providing minimum concrete grade M10 to M15 and mesh bar embedded in concrete, 2″ deep from top of floor slab.
Minimum slab thickness for garage/workshop:- using some basic thumb rules, regulation and guideline as per ACI code and IS code 456:2000, for concrete floor, minimum concrete slab thickness for garage/workshop is kept 4 inch (100mm), providing minimum concrete grade M10 to M15 and mesh bar should be embedded in concrete, 2″ deep from top of floor slab.
Maximum slab thickness for garage/workshop:- using some basic thumb rules, regulation and guideline as per ACI code and IS code 456:2000, for concrete floor, maximum concrete slab thickness for garage/workshop is kept 6 inch (150mm), providing maximum concrete grade M10 to M20 and mesh bar should be embedded in concrete, 2″ deep from top of floor slab.
Standard slab thickness for garage/workshop:– there is no standard thickness mention in IS Code, but using some basic thumb rules, regulation and guideline, I recommend to use for concrete floor, standard concrete slab thickness for garage/workshop is kept 5 inch (125mm) thick, providing standard concrete grade M10 to M20 and mesh bar should be embedded in concrete, 2″ deep from top of floor slab.
Nominal slab thickness for garage/ workshop:– there is no nominal thickness mention in IS Code, but using some basic thumb rules, regulation and guideline, I recommend to use for concrete floor, nominal concrete slab thickness for garage/workshop is kept 4″ to 6 inch (100mm to 250mm) thick, providing nominal mix concrete grade M10 to M20 and mesh bar should be embedded in concrete, 2″ deep from top of floor slab.
How thick should be a Slab be for a garage/workshop? using some basic thumb rules, regulation and guideline as per ACI code and IS code 456:2000, for concrete floor, It should be 4″ to 6″ (100mm to 150mm) thick concrete slab for garage/workshop, providing minimum concrete grade M10 to M15 and mesh bar embedded in concrete, 2″ deep from top of floor slab.
Parking garage:- If the garage is used for parking, then for parking garage, thickness of concrete slab ranging between 4 inch to 12 inch (100mm to 300mm) thick, for light weight vehicles like car/ motorcycles parking in garage, it could be 4 inch to 6 inch thick, for medium weight vehicles like truck/ buses parking in garage, it could be 6 to 8 inch thick and for heavy vehicles/ equipment parking in garage, it could be 8 to 12 inch thick.