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.
The fiberglass door must be perfectly clean to achieve the best results. You can do it with a standard soap and water solution such as Top Job, Dawn Dish Soap or any other liquid type soap. Rinse the door with clear water and dry it.The door must be dry before you stain it. Most fiberglass doors allow you to use mineral spirits to clean the door, but never use turpentine!Follow the finishing instructions that come with your door if you have them.ost fiberglass door manufacturers want you to apply two thin coats. Thick coats will not dry properly. Try to coat the door in a dust-free environment if at all possible. The top coats often look like thin milk.