Im on a budget and need to find a cheaper material for the vacuum bag. Any suggestions?
If you have access to an old waterbed mattress, you’re in luck. The mattresses are usually made of a decent grade of vinyl. The only downfall is that most of them are not clear so seeing the panel and platens is not possible. For seasoned press users, this may not make much difference but for others, it may make things more difficult. There have been reports that inflatable air mattresses will also work for vacuum bags but I have not tested this. I’ve also received emails from users who have built a vacuum bag with PVC shower pan liner available at most home centers. It’s a thick vinyl material that is gray in color and is usually sold by the linear foot. It’s not really cheaper than the 30 gauge vinyl but if you have access to some scraps, it will make a nice vacuum press bag. With this material, you can cement the bag with Oatey PVC cement.
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