I don't do a lot of exterior varnish but I've been using the Manns range for interior varnish and they're great. The clear one's have not darkened the grain much on the area I've used them on.
Depending on the age you might want to strip it first and see what it looks like.
I don't do a lot of exterior varnish but I've been using the Manns range for interior varnish and they're great. The clear one's have not darkened the grain much on the area I've used them on.
Depending on the age you might want to strip it first and see what it looks like.