Diy Sand Rail Form What Is The Easiest Way To Sand Varnish Off A Wood Door?

What is the easiest way to sand varnish off a wood door? - diy sand rail form

I think the sanding by hand, there will never be. Can anyone recommend a grinding maching using cheap and what type of sandpaper to? Is it really complicated? I am a virgin DIY hate the prospect that, with all do!