Vinyl siding that is very thin and flimsy is always a bad sign.
Vinyl siding wavy.
As discussed in the article how to install vinyl and aluminum siding sheathing or backerboard normally provide the necessary rigidity and surface.
Otherwise the resulting walls will look bumpy or wavy.
White lap vinyl siding pc4004hp the home depot.
Not all siding buckling and warping is from poor installation.
When a house is brand new siding usually appears nice clean and straight.
In 2008 new darker colors were introduced to the vinyl world and now two to three years laters these dark siding colors are buckling and warping due to heat attraction that they draw from direct sunlight.
Understanding how siding warps as well as when to fix it is critical to protecting your home.
Foundation changes cannot be prevented but it s something to watch for.
Vinyl siding that buckles due to improper nailing photo shown above is is not normally extremely wrinkled and will be more wavy across longer horizontal runs of surface and of course more severe buckling vinyl siding will be found on a building sides more exposed to sunlight.
When looking at metal or vinyl siding sight along the length to pick up waviness.
Waving vinyl siding due to foundation changes don t happen often but it does occur.
Poor quality vinyl siding is very susceptible to warping wavy appearance and other flaws.
It is more common on darker colors that lighter colors or at least it is more visible.
Local buckling can be caused by installing something through the siding.
Homes settle and shift over time and this natural settling can cause changes to the structure resulting in warped siding.
The buckling is often regular since all nails are usually driven with similar force.
Wavy vinyl siding can be caused by improper nailing but there is a known manufacturing cause as well.
Because these materials especially vinyl are very flexible they need a sturdy flat backing.
Here is an official list of vsi certified vinyl siding products.
Make sure the vinyl siding is certified by the vinyl siding institute.
However over time home siding may begin to bulge or wave leaving an unsightly exterior.
This is natural but it can indicate a problem that requires repair.