Schneider Electric Thalassa NSYPLA GRP enclosures are made of glass-reinforced polyester. This range of floor standing enclosures feature IP44 and IK10 protection. These are corrosion-resistant, so are suitable for a variety of indoor applications. This page has all the enclosures with a vented canopy and solid bottom. These are floor standing enclosures with a canopy that allows ventilation to take place, which could make it easier to manage moisture control (depending on the concentration gradient of the moisture).  Sizes range from 500 x 500 x 320 to 2000 x 750 x 420mm.