These voids create weakened zones right below the surface that can eventually detach during slab use.
Cause of concrete patio deterioration below siding.
This expan sion creates tensile stresses in the concrete which can eventually cause cracking delamination and spalling figs.
I would be more interested in what the manufacturer said about this detail.
As concrete hardens subsurface voids develop where the water or air is trapped.
Either can cause severe damage to building materials behind the siding.
When steel corrodes the resulting rust occupies a greater volume than the steel.
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.
If the concrete is touching the cedar then it is not likely there is any drainage for the wrb and the cedar.
This can be an inconsistency in materials or in workmanship.
Steel corrodes because it is not a naturally occurring material.
The foundation already has its weaknesses and its issues that will cause problems with the new installation.
High humidity and moisture is prevalent in basements because the concrete walls are surrounded by moist soil.
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.
Of course sliding my knife under the siding at the concrete i didn t hit anything.
This next picture was taken in the crawl space.
Here are some of the most common causes and practices leading to discoloration and some remedies you can take to lessen the effects.
Ca code certainly calls for 2 clearance to concrete patio with stucco.
The nails holding up the siding should not be caulked.
Homeowners power washing their concrete can often cause accidental damage either to their home or themselves.
Trying to install a new house on an old foundation can cause many issues.
Leading cause of deterioration in concrete.
The entire rim joist was bug infested and rotted away over the whole length of the patio connection with the house.
However discoloration whether occurring in a single placement or sequential concrete placements generally boils down to one root cause.
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.
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.
The removal of old concrete can be easier than trying to install on top of an existing concrete base.
Wrcla wants 2 clearance to prevent wicking.
