Finishing Mdf With Polyurethane. Some of the environmental problems resulting from the use of where flame retardant mdf is used for applications subject to fire control regulations, the finishing system will normally have to satisfy specified surface. If i paint it then apply the poly will that leav a high gloss finish? Nothing will seal it to prevent it soaking up water if it is in contact with concrete.
Think about gluing a strip of solid wood to the mdf where it will contact the concrete.
To make mdf, all the wood leftovers are broken up into small pieces and then pressed together with waxes and resins to form solid boards. I would put a couple of coats of shellac on to seal the mdf then if you want a hard surface a polyurethane. Hondurensis fibers with polyurethane derived from castor oil, according to the european standards. Acid catalysed or polyurethane finishes would normally be used for this process. It has a great many attributes that make it more desirable than solid. If there a primer i should have used to seal the mdf with? Mdf is a material made from wood fibers bonded and pressed together with glues to form a hard material that looks similar to wood. It is is easier to work with than regular plywood or particle board.
