Gluing with Paste
Simple to make, nontoxic and reversible
Synopsis: One adhesive that gets scant attention in woodworking circles is flour-based paste. In this short article, Keith Davis says offers a recipe for it and explains how to cook and smooth it. There are tips on applying it and rubbing it down. His tools are simple, too: brushes, rollers, old credit cards.
Adhesives lining woodshop shelves range from traditional animal-hide glue to modern epoxies. But there’s one adhesive that gets scant attention: flour-based paste, a material that has bound books for centuries and will adhere leather and felt to fine furniture.
Paste can be just a blend of white flour and water. But if you combine flour, alum and water (see the photo above) and cook it, you’ll get a paste that has several unique characteristics: