Cause Of Concrete Patio Deterioration Below Siding

Wrcla wants 2 clearance to prevent wicking.

Cause of concrete patio deterioration below siding.

The removal of old concrete can be easier than trying to install on top of an existing concrete base. This expan sion creates tensile stresses in the concrete which can eventually cause cracking delamination and spalling figs. Here are some of the most common causes and practices leading to discoloration and some remedies you can take to lessen the effects. Siding nails should not be caulked another item that needs room to play is siding boards themselves.

When the lower edge of the siding is below grade moisture can be wicked up behind the siding and insects and vermin can enter the building unobserved. Trying to install a new house on an old foundation can cause many issues. The entire rim joist was bug infested and rotted away over the whole length of the patio connection with the house. This can be an inconsistency in materials or in workmanship.

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. Humidity levels can be so high in leaky basements that water vapor can form on the. However discoloration whether occurring in a single placement or sequential concrete placements generally boils down to one root cause.

Ca code certainly calls for 2 clearance to concrete patio with stucco. 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. Of course sliding my knife under the siding at the concrete i didn t hit anything. High humidity and moisture is prevalent in basements because the concrete walls are surrounded by moist soil.

The nails holding up the siding should not be caulked. The foundation already has its weaknesses and its issues that will cause problems with the new installation. 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. This next picture was taken in the crawl space.

Whoops this is not going to be good i thought to myself. Steel corrodes because it is not a naturally occurring material. 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. As concrete hardens subsurface voids develop where the water or air is trapped.

If the concrete is touching the cedar then it is not likely there is any drainage for the wrb and the cedar. Either can cause severe damage to building materials behind the siding. Leading cause of deterioration in concrete.