PVC decking is well-suited for coastal and high-humidity environments. In fact, one of its main advantages over wood and some composite decking materials is its resistance to moisture, rot, and mildew. Here’s why:

Water Resistance
PVC decking is a non-porous material, meaning it doesn’t absorb water. This makes it highly resistant to rot, mold, and mildew, which are common concerns in coastal and humid areas where exposure to moisture is frequent.

Saltwater Resistance
Unlike wood, which can warp or deteriorate when exposed to saltwater, PVC decking is not affected by the salts in the air or saltwater splashes. This makes it ideal for coastal regions, where salt from the sea can accelerate the deterioration of traditional decking materials.

No Risk of Corrosion
PVC decking is inert to corrosion, meaning it won’t rust or corrode like metal parts can in salty environments. This includes screws, fasteners, or any other hardware used with the decking, as long as they are properly chosen for outdoor use.

Low Maintenance
Since PVC decking does not absorb water or get damaged by moisture, it generally requires less upkeep in coastal and humid climates. There’s no need to worry about sealing or staining to protect against water damage, which is often necessary for wood decking.

UV and Fading Resistance
PVC decking materials often come with UV inhibitors to prevent fading or discoloration caused by exposure to the sun, which is an additional benefit in coastal areas where UV exposure can be intense.

Mold and Mildew Resistance
The smooth surface of PVC decking makes it less susceptible to the growth of mold and mildew compared to traditional wood decking, which can absorb moisture and provide an environment for mold to thrive.

PVC decking is a great option for coastal and high-humidity environments due to its waterproof nature, resistance to salt, and overall durability. It’s an excellent choice for anyone looking for a long-lasting, low-maintenance solution in such regions. However, it’s important to select high-quality PVC decking products that are specifically designed to withstand the harsh elements of coastal and humid climates.