The original rock that has undergone metamorphism is called the protolith. Protolith can be any type of rock and sometimes the changes in texture and mineralogy are so dramatic that is difficult to distinguish what the protolith was. Note that diagenesis and weathering are also a changes in form that occur in rocks.
This will prevent you from breathing in fiberglass fibers. Refrain from scratching your fiberglass itch. Scratching or rubbing will force the fiberglass deeper into your skin, rather than getting it out. Take a cold shower immediately after working with fiberglass.The cold water will help keep your pores closed so that the fibers don't get deeper into your skin.It will also wash off the larger pieces of fiberglass. Take a hot shower or bath following your cold shower. The warm water will open your pores, allowing any remaining fiberglass to work its way out.he cold water will help keep your pores closed so that the fibers don't get deeper into your skin. It will also wash off the larger pieces of fiberglass. Take a hot shower or bath following your cold shower. The warm water will open your pores, allowing any remaining fiberglass to work its way out.
Soap scum and hard water can stain fiberglass showers. While you may not enjoy cleaning your shower, letting it go means stains can build up inside it. Since a fiberglass shower is one prefabricated piece, you won't have pesky caulk or grout to scrub.However, because fiberglass is coated in plastic resin, it scratches easily, so gentle cleaning is a must. Mild abrasives allow you to scrub away stains without damaging the surface of your fiberglass shower.ix 1/2-cup baking soda with enough water to form a thick paste. Stir as you add the water to get the paste to the right consistency. It should be thin enough to spread but not so thin that it runs.