All windows in your boat will be laminated safety glass. likely no tint,but you will need to check that so that your new window is the same as the ones beside it. All of the side windows will be 1/4". Your front windows may be thicker, to withstand the greater forces of boarding seas. You will need to take it out before buying the replacement, to verify the thickness and amount of tint. When you are done, please post the procedure, as there are others here with cracks in the various windows, who need to know how you made out.