What causes blockages in a gunning machine hose line?

Blockages typically result from material bridging in the hopper due to moisture absorption during humid storage, worn rotor or feed wheel seals allowing air bypass, or hose diameter mismatches that create pressure irregularities. UAE coastal humidity makes proper dry mix storage particularly important in preventing hopper bridging. Sparkline Group advises clients on correct material storage alongside machine maintenance to reduce blockage frequency. Keeping a spare hose section on site also minimizes downtime when a blockage does occur.