I have two fiberglass hatches on my boat where the wood core is rotten. I plan to remove both, replace the rotten wood and reglass. Not a big deal - however - - . One of them is bowed due to the rotten wood. My intention is to put them on the garage floor face down, do the glass work and put a couple of concrete blocks on top to take out the bow.<br /><br />My question is what to put on top of the fiberglass so that the fiberglass will not stick to the concrete blocks? I was thinking of either wax paper or alumnium foil but am looking for ideas. I plan on painting the surface after the glass has cured.<br /><br />Thanks,<br /><br />Howard<br />Miami Fl
