You may want to consider a 6 thick slab for larger vehicles such as trucks or rvs.
Prep concrete for garage door.
Good ground preparation starts with removing the topsoil.
For a garage without a floor built on site.
Pull a measurement from the floor of your space to the ceiling next to the door opening.
Pour a concrete and masonry cleaner and etcher into a plastic watering can or plastic pump sprayer.
See the following figures that clearly explain how to do it.
Allow the product to remain on the surface for 10 20 minutes.
This lumber will be used to attach your garage door track and a portion of your assembly.
Are you building a new garage and wondering how to get the concrete door threshold ready.
Leave the shuttering in place for a few days before removing.
In the second figure we show you the setback distance between the center of the door and the frame based on the thickness of the door.
The biggest threat to a concrete slab in the garage comes not from what gets built or parked on top but what might move below.
If making small pours say for a shed and mixing your own a crete sheet the world s simplest concrete mixer can be used to mix pre mixed concrete.
If rain looks likely cover the base with plastic sheeting.
This video will teach you how to form a concrete slab.
Cut two 2 x 6 pieces of lumber and attach to the face of the wall running from the edge of your garage door jambs to the ceiling of your garage.
When you reach the door forming smooth the opening edge with an edger and remove the form board.
Don t wash concrete down the drains as it will settle causing the drain to block.
If the soil or base beneath the slab shifts or settle the result can be a cracked slab.
Using the sprayer apply the product to the uncoated concrete floor.
Allow the concrete to set for at least a week before installing your concrete garage.
Is forming a 30 x 28 x 6 concrete slab for a garage.