Discovery in the construction zone - 2

Today another discovery was made - the kitchen floor is also wooden!!!! Most exciting!!! So we got the builders to cancel the tiling plans indefinitely and investigate further. There were two layers of old vinyl (one a very bright spearmint green) and some strange black substance - like it is roofing tar paper laid directly on the wood. Much of the day was spent by Brent and I tipping various kinds of stripper onto it. Both of our noses were so stuffed up with allergies from all the dust that we even mixed up weird combinations of the different cans of stripper to see if they would work but to no avail. Some of it has come off but it looks like they will have to sand off most of the black (hmmmmmm, more dust - I think I will give up on sweeping, mopping and vacuuming until this part of the project is completely finished as I feel like I am fighting a loosing battle!)