Almost 30 years since we did blind side injection into an overhead NYC Subway platform sandwich slab on Roosevelt Avenue to re-establish the waterproofing of the original felt paper/tar membrane, circa 1904, over a drop down electrical room. Those were the good old days when as usual we were told it couldn’t be done but when some says it “cannot be done” it means they cannot do it, it doesn’t mean that we cannot do it.
Please follow and like us:
