Body and exterior tips
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*For a smaller sanding block, place a sanding block in a vice and cut it with a hacksaw. | *For a smaller sanding block, place a sanding block in a vice and cut it with a hacksaw. | ||
*To cut down on waste, buy sandpaper in rolls, rather than sheets. | *To cut down on waste, buy sandpaper in rolls, rather than sheets. | ||
− | *Put a piece of 180 grit | + | *Put a piece of 180 grit sandpaper on a flat surface, and use it to true your sanding block. |
*For sanding concave areas, use a piece of rubber hose as a sanding block. | *For sanding concave areas, use a piece of rubber hose as a sanding block. | ||
− | *Use a mounted hacksaw blade as a | + | *Use a mounted hacksaw blade as a sandpaper cutting tool. |
− | *Use pieces of sheet metal to size | + | *Use pieces of sheet metal to size sandpaper: |
− | #If you have access to a stomp shear, or something to cut sheet metal straightly, shear a piece of sheet metal in the size of a piece of | + | #If you have access to a stomp shear, or something to cut sheet metal straightly, shear a piece of sheet metal in the size of a piece of sandpaper. |
− | #To cut | + | #To cut sandpaper, simply lay the sheet metal on top of the sandpaper, and tear off the part of the paper not under the sheet metal. |
#Drill a hole in the sheet metal piece for hanging on the wall, and paint with a little bright paint so it's easier to keep track of. | #Drill a hole in the sheet metal piece for hanging on the wall, and paint with a little bright paint so it's easier to keep track of. | ||
*To make a sanding block for an angle, place body filler in a bag and press it into the angle to make a mold. Or, for an actual sanding "block", place bondo on plastic wrap, press it into the angle, and press a block of wood into the back. When it hardens, it's bonded to the wood. | *To make a sanding block for an angle, place body filler in a bag and press it into the angle to make a mold. Or, for an actual sanding "block", place bondo on plastic wrap, press it into the angle, and press a block of wood into the back. When it hardens, it's bonded to the wood. | ||
− | *Use a paper cutter for cutting | + | *Use a paper cutter for cutting sandpaper. With a magic marker, outline different size sanding blocks on the surface of the paper cutter. |
*Make use of modern sanding tools that more easily match contours, such as the [http://www.allchem.it/news.html Body Shaper 461], or the [http://guide-rite.com/ Guide-Rite Contour Sander]. Contour gauges (also known as profile gauges) for body work are available at many automotive supply stores. | *Make use of modern sanding tools that more easily match contours, such as the [http://www.allchem.it/news.html Body Shaper 461], or the [http://guide-rite.com/ Guide-Rite Contour Sander]. Contour gauges (also known as profile gauges) for body work are available at many automotive supply stores. | ||
− | *Always fold | + | *Always fold sandpaper grit-side to grit-side first for more accurate folds. |
− | *To sand reverse curves, put your | + | *To sand reverse curves, put your sandpaper on the top side of your sanding block. |
*To sand under rubber, lift it up by forcing a cord or coated wire under it. | *To sand under rubber, lift it up by forcing a cord or coated wire under it. | ||
− | *Use a different sanding block for each grit of | + | *Use a different sanding block for each grit of sandpaper. This will save you time, and it will ensure that you completely wear out sandpaper before removing it from the block. |
− | *For | + | *For sandpaper, understand the different grit ratings and and their micron equivalents. For more information, see [http://www.autobodystore.com/paper_grading.htm Abrasive Grade Comparison]. |
*When color sanding a panel: | *When color sanding a panel: | ||
#Sand in alternating directions. For example, sand vertically with 1000 grit, then horizontally with 1500 or 2000 grit. | #Sand in alternating directions. For example, sand vertically with 1000 grit, then horizontally with 1500 or 2000 grit. | ||
#After using 2000 grit, use a 4000 grit pad on a DA sander, which will highlight any of the previous sanding marks. | #After using 2000 grit, use a 4000 grit pad on a DA sander, which will highlight any of the previous sanding marks. | ||
#After sanding, let a panel or vehicle sit in the sun for a few hours. Then, take it inside, wait for it to cool, and buff it. | #After sanding, let a panel or vehicle sit in the sun for a few hours. Then, take it inside, wait for it to cool, and buff it. | ||
− | *When calculating | + | *When calculating sandpaper costs, bear in mind that used sandpaper takes longer to use. In some cases, it may be beneficial to discard sandpaper before it is completely used. |
==Taping and masking -- '''click the [edit] link on the right to edit ==>'''== | ==Taping and masking -- '''click the [edit] link on the right to edit ==>'''== |