Foam under floor

[cfalco]

So I have rebuilt dozens of boats and I have replaced flooring for several reasons but never messed with the foam.  This time the one I am rebuilding forces me to not only replace the floor but also the foam.  My only question is does anyone know a quick or easy way to get this stuff out.  I am chipping away at it with a lawn tool.  It is taking forever.  Anyone got a suggestion on a tool or a solvent that might make this go faster?

Thank you in advance.

[riverbasser]

I have only done it once and I used a jig saw and a pry bar, although it worked I don't really recommend it but just like you I didn't know any other way.

[Way2slow]

Going by your location, I going to assume you don't have a metal ice scraper used on the driveway and sidewalks.  With the floor out, I use one of those sharpened on the edge and a shovel. 

Just be careful when you start putting the foam back in. You only have a few seconds working time, and It don't take much because it expands a huge amount.  It will bust the hull and/or the floor loose if it put too much and it doesn't have enough room to expand, because it's going to make room if there's not enough.

[Master Bait'r]

Get an angle grinder with a stiff bristle cup brush.  It's going to make your workshop look like a snow globe but it's the fastest way I've seen.  

["hamma"]

it cuts pretty quick with a metal cutting sawzall blade, I used one long one and one shorter one with duct tape around it for a handle and a pry bar to pop out areas i didnt reach with the blades