I. If large cracks should be fine?Was this answer helpful to you 00 Show 3 more answers QI REPAIR INGROUND PLASTIC/FIBERGLAS POOL STEPS AND HAVE BEEN USING 3M 5200 SEALANT/ADHESIVE FOR A LONG TIME, WONDER HOW THIS SIKAFLEX COMPARESTO THE 3M PRODUCTS? Asked by Undisclosed 9 years ago Add...