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CONCRETE PRODUCTS & CAST STONE68 CPI %u2013 Concrete Plant International %u2013 3 | 2025 www.cpi-worldwide.comsuch as steel or plastic, within four to five years. However, an unexpected issue arose in Puerto Vallarta due to the humid climate: After just five months, a white fungus formed on the wooden boards, the cause of which is still not fully understood. The consequences were:%u2022 decay and structural weakening of the wooden boards%u2022 constant production stops due to damaged boards%u2022 significant machine damage to the Quadra Q12-HP%u2022 quality issues with the concrete blocksWooden production boards sold by Wasa can be treated with an antifungal coating upon request to prevent potential issues. The wood used comes exclusively from PEFC-certified, renewable raw materials, ensuring that purchases from unknown sources are excluded. However, due to the high salt content in the air and the climatic conditions, wood is not the recommended choice for such environments.The solution: Wasa Uniplast Ultra plastic boardsDue to these challenges, Bloquera de Vallarta decided to quickly switch to Wasa Uniplast Ultra plastic boards, measuring 1,400 x 1,300 x 50 mm. Steel boards were ruled out due to their significantly higher weight and susceptibility to corrosion. The new plastic boards were introduced in 2020 and have since been successfully used throughout the entire production cycle. Currently, approximately 4,000 boards are in operation %u2013 and still in excellent condition.The transition from wooden to plastic boards posed no significant challenges. The switch was seamless and took only two days, as the remaining wooden boards were manually replaced with the Wasa Uniplast Ultra boards. The transition Cracked concrete productsNew Uniplast Ultra in Puerto Vallarta Curing chamber with concrete products