The Coastal Defense (Salitre & Aluminum) Living on an island means fighting a constant battle against the relentless tropical elements. Homeowners across Puerto Rico often find themselves asking why window systems that easily last 30 years in mainland US environments begin failing within just 3 to 5 years locally. The answer lies in our unique combination of extreme humidity, intense sun exposure, and high salinity in the air. The reality of aluminum by the sea When aluminum