Hairline Cracks In Concrete Block Walls

If a crack between the wall and floor exceeds.

Hairline cracks in concrete block walls. 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. 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. If a vertical crack widens at the top or bottom the wall is either settling or gradually heaving which may present serious issues. Stair step cracks may also signify heaving.

Hairline foundation cracks are by far the most common cracks encountered when inspecting foundation walls. Hairline cracks are commonly observed in freshly placed concrete and their occurrence is owed to the phenomenon of plastic shrinkage. Hairline cracking within concrete block walls is the result of internal stresses. To permanently patch the crack we used an epoxy injection system from polygem called the liquid concrete repair.

Concrete walls containing horizontal cracks are serious issues. As the name implies these cracks are very small about 0 003 inches 0 08mm in width and can be very shallow. 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 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. As the name suggests this concrete crack sealer is specifically made to deal with hairline cracks. But these hairline cracks eventually turn into deeper and wider cracks.

Fill it with a caulk suitable for use on concrete. Plus a hairline crack is enough for moisture to seep into the concrete surface and hurt. We repaired a foundation wall which had an 8 ft long crack that leaked water into the basement during periods of heavy rainfall.