Thickened Slab At Garage Door Opening

Finishingconcrete concretefinishingtechniques mikedayconcrete in this video i m teaching you about finishing concrete at the garage door openings.

Thickened slab at garage door opening.

The figure to the right shows one way that can be done. Adding one course of block to a slab keeps the garage door framing farther up from the ground which may be necessary depending on the grade. The wall should have a key and 5 bars at 12 16 o c. I d also provide a 3 man door for entry.

There is a world of difference between the three types and which one will be. Pouring just a slab with a thickened perimeter is the least expensive and a perfectly acceptable option if you have good soil conditions not spongy. Mostly for lightly loaded. Some existing garage slabs will not have a thickened footing that runs beneath the slab in the garage door opening.

Tie the slab to the foundation wall at the door. If your in rain country provide a depression in the slab where your door closes about an inch deep 6 wide and about 3 wider than your door opening to keep water out. Type 1 is sometimes referred to as a thickened slab garage foundation and type 2 is often referred to as a stem wall garage foundation and type 3 is often referred to as a hybrid stem wall garage foundation for the reason that it is a combination of both type 1 and type 2 and is often used in areas that have highly plastic soils conditions such as is found in south dakota and other parts of the u s a. Floating slab on grade detail at exterior door.

The wall should be stepped down at the the door 8 10 below the top of the slab. Yes use expansion joints. I am leaning toward option 2 in the sketch i e. The slab should have a thickened edge at the wall with a couple of 5 s running the lenght of the opening.

In these cases it is often required to dig under the slab and add a footing to support the new wall above. It s like a garage door re. Extend the slab through the door opening to align with outside face of wall and thicken the slab edge locally at the door but not thick enough to bear on the wall footing. For other options speak to your jurisdiction.

That can be bent into the slab.