Date: 7/6/2001, 5:12 am
: I sanding my first boat, a Coho, in preparation for varnish. I know the
: objective is uniform, flat white matt. However, I am getting a mottled
: appearance in many areas,where the mottles are apparent low spots. I am
: using a random orbital with1 150 grit. Tried 100, it cuts too quick to the
: cloth for me. With the 150, I do get into the cloth here and there, but
: not bad, but if I keep sanding to get everything white, I start to hit
: more cloth than seems right.
: I tried a test path with varnish on a typical area, and for my purposes (need
: tobet out while the summer is still here,not too concerned about
: perfection_ the finish after even one coat looks great. My concern- will
: the varnish fleck ooff of those low spots that haven't been thoroughly
: roughened? Conversely, I am afraid exposing too much cloth is weakening
: the boat, and may look worse than those low spots. Hand sanding seems to
: be more effective for spot removal after machine sanding the bulk of it,
: but it is very slow going to get everything white.
: Is there something I am missing with the ROS? Fatter pad, different grit?
: Should I relax and varnish,or sand and sand, not worry about all that
: weave exposed?
: Thanks
Rod I am at the same point you are now and I look forward to the answers to you question. I finally started hand sanding using 100 grit on a handled sanding block with a foam base that is sold for sanding patching plaster. It seem to work real well for me. I have some dips that I can't quite reach and so I thought I would give it one more squeegy epoxy coat to help fill the low areas and then let the varnish do the rest of the filling if there is any.
John
Messages In This Thread
- Sanding/varnish question
Rod -- 7/5/2001, 11:54 pm- Re: Sanding/varnish question
Jay Babina -- 7/6/2001, 3:37 pm- Re: Sanding/varnish question
LeeG -- 7/6/2001, 7:21 am- Re: Sanding/varnish question
John Monfoe -- 7/6/2001, 5:12 am- Re: Sanding/varnish question
Dave Houser -- 7/6/2001, 2:18 pm- Re: Sanding/varnish question
John Monfoe -- 7/7/2001, 5:20 am
- Re: Sanding/varnish question
- Re: Sanding/varnish question
- Re: Sanding/varnish question