Hairline Cracks In Concrete Block Walls

To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair.

Hairline cracks in concrete block walls.

Plus a hairline crack is enough for moisture to seep into the concrete surface and hurt. As the name implies these cracks are very small about 0 003 inches 0 08mm in width and can be very shallow. Hairline cracking within concrete block walls often referred to as stair step cracking or mortar joint cracking is an example of an imperfection or distress but does not typically compromise structural integrity. Cracking is frequently found in masonry walls due to the settling wall foundations the movement of framing materials temperature changes and the application of loads to the wall.

As the name suggests this concrete crack sealer is specifically made to deal with hairline cracks. Stair step cracks may also signify heaving. But these hairline cracks eventually turn into deeper and wider cracks. Horizontal cracks in concrete walls however indicate poor wall designs or pressure buildup behind the wall.

People often ignore hairline cracks thinking it s not a major issue. Cracks regularly occur in all types of masonry walls including reinforced concrete slab walls concrete block walls brick walls and stucco walls. Concrete walls containing horizontal cracks are serious issues. If a crack between the wall and floor exceeds.

We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall. Hairline foundation cracks are by far the most common cracks encountered when inspecting foundation walls. Contents causes of hairline cracks in concreteprevention of hairline cracks in concreterepair of hairline cracks in. Concrete wall crack repair in 8 steps use an epoxy injection system for basement wall crack repair.

Repairing a foundation crack of this nature is similar to repairing other non structural cracks. If a vertical crack widens at the top or bottom the wall is either settling or gradually heaving which may present serious issues. Minor cracks in cinder block foundations the cracks in the images above are very ordinary and nothing to worry about except for the fact that the foundation is leaking.