Cause Of Concrete Patio Deterioration Below Siding

Humidity levels can be so high in leaky basements that water vapor can form on the.

Cause of concrete patio deterioration below siding. 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. 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. Trying to install a new house on an old foundation can cause many issues.

Here are some of the most common causes and practices leading to discoloration and some remedies you can take to lessen the effects. Homeowners power washing their concrete can often cause accidental damage either to their home or themselves. This expan sion creates tensile stresses in the concrete which can eventually cause cracking delamination and spalling figs. These voids create weakened zones right below the surface that can eventually detach during slab use.

The nails holding up the siding should not be caulked. Leading cause of deterioration in concrete. If the concrete is touching the cedar then it is not likely there is any drainage for the wrb and the cedar. Of course sliding my knife under the siding at the concrete i didn t hit anything.

As concrete hardens subsurface voids develop where the water or air is trapped. This can be an inconsistency in materials or in workmanship. High humidity and moisture is prevalent in basements because the concrete walls are surrounded by moist soil. Whoops this is not going to be good i thought to myself.

The foundation already has its weaknesses and its issues that will cause problems with the new installation. Ca code certainly calls for 2 clearance to concrete patio with stucco. However discoloration whether occurring in a single placement or sequential concrete placements generally boils down to one root cause. I would be more interested in what the manufacturer said about this detail.

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. This next picture was taken in the crawl space. Siding nails should not be caulked another item that needs room to play is siding boards themselves. Either can cause severe damage to building materials behind the siding.

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. Wrcla wants 2 clearance to prevent wicking. When steel corrodes the resulting rust occupies a greater volume than the steel.