PMMA Liquid-Applied Systems

One of the most successful commercial product innovations of the last century occurred in the 1930s when polymethyl methacrylate resins, commonly known as PMMA, were first synthesized.

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A 57-year-old world icon gets a makeover

Siplast helped update the observation deck of Seattle's beloved Space Needle using our fast-curing PMMA liquid-applied Terapro Waterproofing and Surfacing System. As well as making scheduling work around the famously rainy local climate possible, the fast cure and phased application allowed tourists to visit daily without interruption. 

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