Show I Cracking Sealing Chief s Cuse-s Causes of oC Paint Weathering 0 Cracking and sealing are two of the methods method by which paint ers era Some of the causes of this painters say are the use of paints paint containing an excess of hard bard non non- elastic pigments heavy coats coat of 01 paint not properly rubbed out paints mixed with an excess of fatty I linseed oil or cheap paints paint containing contain ing tug an excess excelS of oC unsuitable pigments and oils which form Corm a brittle instead in stead of an elastic film Other reasons reasons rea sons son advanced by paint authorities are painting ov over r a peeling crack Ing tog or scaling old coat without removing removing re re- removing moving the old paint priming with such pigments as Iron oxide Venetian Venetian Venetian Vene Vene- tian red ochre or Dutch pink long deferred repainting especially when a brittle or paint was used previously and nd painting over wood having an excess excelS of resin ruin in It All AU paint experts expert advise against spacing the paintings over too long periods |