Larsen GPM Eco Pointing Mortar is a high strength mortar gun applied jointing and pointing mortar. It is designed for gun-injection to provide a clean, water resistant, durable and colour consistent pointing and jointing solution. GPM Eco is manufactured from specially selected fine aggregates, cements and additives and simply requires the addition of water to produce a high-quality mortar for rigid construction methods. Finished joints are highly resistant to water penetration, weather and freeze-thaw action. GPM Eco is ideal for jointing natural stone paving and pointing sound brickwork, brick slips and natural stone walling.