Most pigments are accumulated by specialized cells, termed pigment cells, derived early in embryonic development either directly from the neural plate (e.g., pigmented retinal epithelium (PRE) and the pineal organ pigment cells) [1] or from the neural crest [2] and [3] .
Both the fascia and soffit are part of the exterior of the home and should be painted every 5-7 years, just like the exterior of a home. It is very common for the fascia to rot in older homes if it isnât painted often enough.The paint protects the fascia and soffit from the natural elements of weather.ain gutters are attached to the fascia, but an easier way to describe where the fascia is located is to say that it is what the Christmas lights are attached to. The fascia can be made up of any type of wood and size (2Ã4, 2Ã6 or 2Ã8).
The picture above shows which is which, and the two most common ways of installing them. The fascia board is nailed to the rafter feet and usually has a rebate or lip for the soffit boards to slot into.ifferent finishes/variations of the soffit can be achieved more commonly flat plain plywood is used although tongue and groove boards can be used or even battens with a spacing in between. In that instance mesh is used to stop birds or anything else getting into the roof space.