Weber Premix SP-33 is a high-bonding, fiber-reinforced, one-coat ready-mix plaster specially formulated for lightweight blocks (AAC blocks). This cement-lime plaster provides excellent workability, improved curing, and outstanding shrinkage control thanks to its advanced fiber and additive composition.
SP-33 is designed for both internal and external applications and can be applied directly on lightweight blocks without a rush coat, delivering a strong, durable, and uniform finish. It can also be used on normal masonry blocks with the same direct-application advantage. For concrete surfaces, it can be applied after a suitable bonding coat such as Weber Premix SRC-2.
Applied traditionally by hand or using plaster-spraying machines, SP-33 offers clean, consistent mixing and excellent adhesion, making it ideal for walls, ceilings, block work, and general plastering requirements.
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