Mar-flex introduces another new innovation from the research and development department that brought you breakthroughs like ShockWave (the only 100% green board in the industry) and Geo-Mat Plus (recycled drainage rolls which make sustainability easy) comes 362 Mastic – the all season coating. 362 All Season Mastic is a heavy-bodied trowel grade coating. It is unparalleled when utilized for patching tie-holes and filling in honeycombed areas in both rough and smooth masonry surfaces. This product remains flexible during freeze/thaw cycles, and can be used during any season. The product arrives ready to use, so pick up yours today!