How to apply JOINT & SKIM Ready To Use Filler Toupret's Technical Sales Manager, Adrian Smith, explains the best way to use JOINT & SKIM Ready To Use Filler. This versatile product can me applied manually or with a spray machine. - Apply a scrim tape - Apply Joint, Skim & Fill to joints - Skim - Sand & paint! We have designed our JOINT, SKIM & FILL range because we recognise that excellent results really matter, but so does the time it takes to get the job done (time is money, after all). The range is specially formulated to joint, skim and fill with one coat, no shrinkage, no need to spot prime and easy sanding, allowing you to get a great result first time and move on to the next job quicker. The QUICK DRY product is ready to paint over in 3 hours, perfect when painting needs to be done quickly. Our READY TO USE products can be applied straight from the tub. The range is also supported with PATCH & REPAIR products that come with excellent adhesion for snagging jobs.