Large Cracks In Cement Basement Floor

Concrete cracks are caused by sideways expansion poor drainage conditions or settling soil beneath the concrete.

Large cracks in cement basement floor.

These types of cracks can show up as long as a year after the basement floor is poured depending on how quickly the slab dries and how humid the basement is. These cracks are part of the natural drying process for concrete. Most times these cracks are referred to as nonstructural settlement cracks but there can be a wide variety of reasons why a foundation cracks. Be they straight jagged or spiderweb like fine cracks in the basement floor commonly result from surface shrinkage as the concrete dries.

But you have to enlarge the crack photo 1. Crack types solutions. Within a year after construction hairline cracks about the width of a sewing thread commonly appear on the inside of basement walls most often near windows and doors or in the corners of the. Then power wash the area and squeegee off the excess water before applying the concrete crack filler.

As it dries the concrete begins to shrink. Cracks in concrete floors or slabs occur in poured concrete slabs may be found both in basement and in slab on grade or patio home construction and have a variety of causes and cures that we discuss here as we explain how to repair cracked concrete floors and as we describe slab on grade construction or patio home construction cracks and as we review the diagnosis of cracks in ceramic tile over concrete slab floors. Using a hand grinder i leveled the floor on each side of large crack and widened it to the wide of the grinder. Many homeowners worry about the severity of foundation cracks in the basement.

Then i filled the deep cracks with cheap fine grain sand to make sure it was full all. If you find cracks in the concrete of your basement don t panic. Small cracks in the basement floor commonly result from shrinkage as the concrete dries which pulls the concrete apart. They typically show up two to 12 months after the.

The stress released by the shrinking process causes the cracks. If your concrete is the same height on both sides of the crack you can fix it yourself. The ergonomically designed filler easily reaches into narrow cracks and saturates the space created by the crack. Each has its own cause and strategies to prevent or minimize.

There are three main types of cracks in concrete.