Lay down drop cloths under the guitar so that the paint doesn't stain the surface that you're painting on. Rest the guitar on top of the drop cloths with the back of the guitar facing up. You can purchase wood sealer online or at a hardware store. Purchase a water based wood sealer that has a high gloss. Use a white sealer if you're painting your guitar a lighter color. If you're painting it a dark color, apply a gray sealer. Saturate a dry rag in the sealer. Once the rag is saturated, drag it along the grain on the surface of your guitar. Make long movements and do not scrub in a concentrated area with the sealer. Once the back of the guitar is sealed, allow it to dry for 10 minutes, then turn the guitar over and finish sealing the front and sides. Once your rag looks dirty, dispose of it and use another, clean rag.  Remove the shielding in the electronics bay, Apply the sealer into all pickup and electronics cavities and neck pocket, being careful not to let it puddle in these areas. These areas are often overlooked and allow moisture to enter the wood. Let the sealer dry for an hour or two and come back and apply another even coat of sealer. The sealer will help the colored coats of paint adhere to the body of the guitar much easier. Continue adding more coats of sealer until you've covered the guitar three to five times in total.  Remember to let the sealer dry for an hour or two in between each new application. Once the guitar is properly sealed, the wood grain will be a much darker color. Feel over the sealer to make sure that it's no longer wet or sticky. Make sure that the guitar dries in a well-ventilated area so no one gets sick from the sealer's fumes. Using a 200 grit sandpaper, carefully sand over the shiny parts of the sealer. Make sure not to sand too hard or you may expose the wood grain underneath. If you do do this, simply reapply more coats of sealer to the guitar and allow it to dry before moving on. When you're done, the guitar should have a dull white or gray color.
ضع الجيتار على سطح مستوي. اختر عازل الخشب. ضع عازل الخشب على الجيتار. دع السطح العازل ليجف ثم أضف من ثلاث إلى خمس طبقات. دع المادة العازلة تجف لمدة ثلاثة أيام. صنفِر الأجزاء اللامعة من مادة العزل.