Evercoat Fibreglass 870 Vette Panel Adhesive/Filler - Quart When used in conjunction with FIBER TECH or EVERGLASS, provides optimal performance of the repair system, reducing cracking, repair mapping and bond line swelling Sands at the same rate as SMC, reducing undercutting of SMC edges and insuring excellent feather-edging capabilities Specially designed to mimic the same degree of expansion and contraction of SMC, reducing cracking in high stress areas Reduces risk of shrinkage that can cause halos and repair mapping Finish sands to a finishable quality, no need to apply a lightweight filler