Mar-flex Waterproofing and Building Products offers the most innovative products in the marketplace, and continues with its reputation with 362 Mastic. 362 Mastic is a heavy bodied trowel grade coating, excellent for patching tie holes, and filling in honeycombed areas in both rough and smooth masonry surfaces. It remains flexible during freeze/thaw cycles and can be applied in ready-to-use form during any season of the year. Check out 362 Mastic – All Season today!