Easy applying perfect silicone finish even for beginners . Using exterior blue masking tape and silicone gun.This video shows the easy way of apply white silicone on dark surface if you use white silicone on white surface then the tape is not necessary. Im using MDF board for video purpose only to show clearly all process of applying silicone.First make sure the surface is free from grease and dust. The tape can be stick wider to allow for wider silicone line if needed. And need to be removed as quickly as the silicone has been applied then silicone smooth again Please subscribe for more videos.