We have recently purchased our first home & are slowly learning how to maintain it.
The previous owners built a small steps/deck access area to the back door & the recycling bins are kept under this "deck". We noticed that there is insulation visible between the siding & the concrete foundation. Can anyone tell me if this is normal? Should we leave it, or should we do something about it? If so, what sort of product should we use to seal it? Here are some pictures I took: