Tight'N'Up Liquid Canvas Retensioner
Tight'N'Up
4.4 out of 5 stars
4.4
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Apply tight 'n' up to the back of a painted, stretched canvas and it will instantly remove any previous sagging. It causes the canvas to shrink slightly, then fills the pores with a binding agent to retain the tension after it dries.Tight 'n' up is acid-free and will not harm the canvas or the artwo...
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