I constantly get comments from people asking me why do I backroll? when the spray seeems like it does a good enough job. Firstly we only backroll over drywall plasterboard. I too believe a spray finish looks better on cars, metal and many others things. Firstly, because it says on the drywall manufacturers installation guidelines to backroll. Backrolling pushes the paint into the surface rather than just it sitting on top. If it sits on top it doesn’t adhere properly, and can and will peel off later down the track, and you see the fresh plasterboard when it does. I have some paint peeling videos as well which shows this exactly. Another big aspect is if you are spraying the whole house what happens if the paint spits onto a surface before/after a blockage how could you fix that? If your backrolling thats no problem, you just roll it right out. Also if the sprayer puts it on too heavy or to light, the backroller controls the finish where if its too heavy he can roll his roller out somewhere else to get rid of the excess and continue on. Once the job is finished and the ceilings lets say are sprayed and the last coat is not backrolled. If there is a defect from an electrician lets say, its very hard to blend a sprayed finish once your spray gun is packed up and time has gone by. whereas if it was rolled, a roller could easily blend it as well as can be. Not back rolling is just time saving. So many people don’t backroll because these days builders only pay peanuts and the pay doesn’t allow. Hence why I don’t do new work.?

ajay

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