Cause Of Concrete Patio Deterioration Below Siding

Trying to install a new house on an old foundation can cause many issues.

Cause of concrete patio deterioration below siding.

Wrcla wants 2 clearance to prevent wicking. Steel corrodes because it is not a naturally occurring material. The entire rim joist was bug infested and rotted away over the whole length of the patio connection with the house. When steel corrodes the resulting rust occupies a greater volume than the steel.

Homeowners power washing their concrete can often cause accidental damage either to their home or themselves. Siding nails should not be caulked another item that needs room to play is siding boards themselves. In addition to concrete damage power washing horror stories include stripping paint off of houses ripping off siding and shingles damaging wood decks destroying car paint jobs and even causing serious injuries. If the concrete is touching the cedar then it is not likely there is any drainage for the wrb and the cedar.

Whoops this is not going to be good i thought to myself. As concrete hardens subsurface voids develop where the water or air is trapped. The nails holding up the siding should not be caulked. If finishing operations start prematurely and close or seal the surface before bleeding is completed air and or water are trapped under the densified surface mortar.

I would be more interested in what the manufacturer said about this detail. Ca code certainly calls for 2 clearance to concrete patio with stucco. The removal of old concrete can be easier than trying to install on top of an existing concrete base. Code clearance between siding and patio.

The foundation already has its weaknesses and its issues that will cause problems with the new installation. However discoloration whether occurring in a single placement or sequential concrete placements generally boils down to one root cause. This expan sion creates tensile stresses in the concrete which can eventually cause cracking delamination and spalling figs. A diyer or a novice painter might attempt to achieve a cleaner look by caulking the siding nails but the nail is guaranteed to push the caulking material out within a few months.

Of course sliding my knife under the siding at the concrete i didn t hit anything. Humidity levels can be so high in leaky basements that water vapor can form on the. These voids create weakened zones right below the surface that can eventually detach during slab use. High humidity and moisture is prevalent in basements because the concrete walls are surrounded by moist soil.

This can be an inconsistency in materials or in workmanship. Here are some of the most common causes and practices leading to discoloration and some remedies you can take to lessen the effects. Leading cause of deterioration in concrete.