I've used it often on projects involving foam. It works well, you just have to let it tack up a bit before sticking parts together. What year seats? I used it on th back in materials and other parts before I installed the covers on my seats.teh foam is usually held in with listing rods hog ringed to the frame.
68 289 convertible Candy-apple red & white
66 200 coupe Blue
94 GT convertible Red & black
98 GT convertible White & black
98 V6 convertible White & tan