Shellacking Floor Retarder

Planning ahead and installing a 10 mil reinforced moisture vapor barrier film before the slab is poured is a great first step toward avoiding eventual moisture issues in your epoxy flooring.

Shellacking floor retarder.

With that said you can attempt to cover a small inconspicuous area with a floor rated polyurethane in the sheen you want satin semi gloss high gloss. Dip your rag into the shellac mixture and. Keep in mind use of the retarder will require longer drying times between the coats of shellac. 302 2r 28 7 1 introduction 7 2 vapor retarder barrier location 7 3 vapor transmission through retarder barrier chapter 8 floor covering materials p.

302 2r 32 8 1 introduction 8 2 communication between architect and engineer 8 3 floor covering technical resources 8 4 floor adhesives and. But then you may ultimately have problems even with the spray foam as you are creating a vapor barrier sandwich and the foam will leak air. You don t want a vapor barrier on the inside it s creating a problem that can never be 100 fixed. Make sure the polyurethane will coat it sufficiently but more often than not doing a very light screen sanding of the laminate 220 grit sandpaper will be required first.

Just remember don t use retarders in cold weather. Martin and chris if the floor is going to be a vapor barrier fair enough. At perimeter walls the vapor retarder should extend upward along the wall at an elevation of at least 6 inches above the top of the floor and be secured with tape creating the edges of the. Retarders are primarily intended to counteract the harmful results of heat on the concrete mix.

Naturally all other things being equal the more retarder that is added to the mix the greater will be the delay of the set. They lower the water cement ratio only as a side effect. Use a cloth to shellac wood if you re covering a large surface area and choose a brush for the job to finish tight edges and corners. It s a very disagreeable smell but used in small amounts it s not too bad.

Chapter 7 vapor retarder barrier p. A good rule of thumb. An isomeric form of butanol is added to behlen s bekhol shellac solvent the best solvent for shellac flakes for most purposes is denatured alcohol.