by cracker39 » Fri Mar 31, 2006 11:52 am
WARNING...WARNING...WARNING...BONDO ALERT....BONDO ALERT...
Most of my Bondo filling is a total disaster, but by my own doing.
Yesterday, in the heat, the bondo was setting up too fast, so I mixed in less hardener. That was a mistake! Today, most of my filler is gummy or at least soft and loads up the sand paper as fast as I change it. Some it is so soft that after scraping it off, I could mold it into a ball easily. So, I scraped off a lot of it, then just gave up. I'll wait another day or two to see if it hardens any more before scraping off the rest. I guess the only solution in hot weather is just mix really small batches or just work faster putting it on. Where I've scraped it off, I'll wait a day, then mix small hotter batches and spread a thin coat over it and sand. Meanwhile, I'll work on something else.
As for how well it fills, it sands smoother than the wood around it. After spraying on some poly varnish, it was very smooth. I'll know better after I put on some primer and sand it down.