Slope Garage Floor Slab

Another consideration for all of the above described foundation types is the slope of the floor towards the overhead door so that the garage floor will drain for cleaning purposes.

Slope garage floor slab. What is the minimum slope for a garage floor slab. This is much. The cost of concrete for a slab garage floor includes the delivery of concrete and any material overages as a result of waste. Or wonder why sidewalks and concrete roads have these spaces between the slabs.

The four types of garage floor damage are cracking spalling pitting and low spots. In most cases the angle of the slope is gentle enough to be barely perceptible. Here is the citation from the international residential code irc. You will also need some type of steel reinforcing in the garage floor slab portion similar to what is described above in the type 1 garage foundation.

The building code requires that a garage floor be sloped towards the door but does not specify a minimum slope. It is usually 1 8 to 1 4 per foot. Aci 117 90 st andard specifications for tolerances for concrete construction and materials gives a level alignment tolerance of 3 4 inch for top of slab elevation of slabs on grade. Garage floors unlike floors inside your home are sloped to promote drainage.

Shower floors laundry areas entryways garage floors and patios are all areas where the floor may have a drain built in to help the floor drain water to a. These spaces are expansion and contraction joints. The floor may appear flat until you. The cost of the garage floor slab is divided into concrete cost and labour cost and an extra top coating cost.

It doesn t include labour supplies such as reinforcing bar or building permit fees. A 2 slope will probably ensure better drainage we could also find no slope tolerance for use when a floor slope is specified. Temperature changes will make the concrete expand and contract.