Cat smell or cat urine smell?
If it is the latter, I have had success with Nature's Miracle. If the smell is just the animal, that will diminsh with time and with changing out blinds, flooring, wall ... read more
What causes large gaps between window frames and the brick of my home? It looks like someone tried to caulk it previously, but it just pulled away again.
Expansion and contraction, as mentioned previously, is a big driver of sealant failure.
The other part that was not discussed in moisture content. Brick is largely moisture open and capillary draw of ... read more