Lutherie
Varnish crackle effects
An easy approach to varnish crackle and faux crackle techniques that could be applied to restoration and antiquing
BY PABLO ALFARO Luthier based in Atlanta, GA, US
TRADE SECRETS Makers reveal their special techniques
ALL PHOTOS PABLO ALFARO
Varnish crackle occurs when coats of varnish have dried unevenly, such as when some of the lower layers have dried more slowly than the external ones. It can also occur as a result of wood deformation, or if the instrument has been exposed to extreme heat. As a violin maker who likes to antique instruments, I have found several ways to create a crackle effect. Probably the most difficult part of the process is retaining control of the final look.