How To Sand Metal Roof

Remove all rust using your wire brush or sandpaper.

How to sand metal roof.

Cleaning a metal roof. You start with 80 grit sandpaper and sand the metal in circular motions. When you remove the unwanted material such as the top layers of paint or any scratches then you move to finer and higher sandpaper such as the 200 grit sandpaper. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Use pieces of either sandpaper to remove pockets of the material that might have been left in the tight spaces. Whichever tool you choose always start with the coarsest abrasive to for how to remove rust from metal and pockmarks. Once the rust is gone switch to a finer grit to smooth out the swirls and grooves caused by the coarse grit. The chemical removal method.

Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. Most metal shingles will be attached to the roof using metal shingle. How do i repaint a metal roof on an old house. Best of all the choices of materials today enable homeowners to choose metal panels that completely match the look and style of their home.

Cleaning la s totally awesome vs. Take care the first piece is aligned precisely perpendicular square to the edge. When you have removed much of the unwanted material switch to 200 grit sandpaper to finish off the sanding process. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.

For the smoothest paint job finish sanding with 400 grit wet dry paper. Sand the entire metal roof surface very lightly with your wire brush or. Scrape away any loose or flaking paint using your putty knife. A typical metal roof installation can last anywhere from 30 to 50 years so you will have made an important investment in the value of your home.

This way you won t sand too much into the metal and weaken it. Things you should know. The best way to sand is along the grain of your metal if any is present else you can always do it in circular motions. Space the screws about 12 in 30 cm apart down the entire piece of metal.

Use your neoprene washer head screws to secure the metal to the sheathing. Because 80 grit is pretty coarse stop using it when the paint is almost all the way off. Attach an 80 grit sanding disk to your sander and begin sanding the metal surface from which you need to remove paint. Sand the metal with fine grit sandpaper.