How To Stretch Watercolor Paper With Tape. The heaviest paper (300 lb) may not need to be stretched; A bowl of clean water:
This video shows my preferred method, stretching on the same stretcher bars used for canvas, and an alternate method for those who have difficulty. Whichever method you choose to stretch your paper, the basic approach is the same: How to avoid the dilemma.
Fasten the paper down to the board or frame with masking tape or with binder clips.
Fasten the paper down to the board or frame with masking tape or with binder clips. Try to leave the paper in a warm dry place to dry overnight or if you are in a hurry leave it some minutes. It doesn’t matter if the tape folds around the edges of the board. A bowl of clean water: