Adjustable Deck Support Pedestal, Black, Polypropylene, 3" to 4-3/4" Height Range, Octagonal Base, Model H3. (20, Model H3)

Elevate your outdoor projects with the SI Pedestal H3 Adjustable Deck Support Pedestal, engineered to deliver precise leveling, exceptional stability, and long‑lasting performance for elevated surfaces. Designed for both residential and commercial applications, this single H3 pedestal offers a versatile height range of 3 inches to 4‑3/4 inches, making it ideal for floating decks, raised platforms, paver systems, and modular flooring installations. Crafted from heavy‑duty, weather‑resistant polypropylene, the H3 pedestal is built to withstand moisture, UV exposure, and harsh outdoor conditions. Its robust 8‑inch octagonal base maximizes ground contact for superior weight distribution and enhanced stability on uneven or slightly sloped surfaces. The H3 features a smooth threaded adjustment mechanism along with integrated shimming capabilities, allowing millimeter‑accurate leveling—even after joists, tiles, or pavers are in place. This thoughtful engineering ensures a secure, professional‑grade foundation while simplifying installation for contractors and DIY builders alike. Perfect for rooftop decks, plaza areas, terraces, and elevated patios, the H3 pedestal provides consistent support and reliable performance across a wide range of outdoor applications. Sold as a 1‑pack, it’s ideal for small adjustments, replacements, or precise layout planning. Transform your outdoor space with confidence—SI Pedestal H3 delivers the strength, precision, and durability your project demands.

• ADJUSTABLE HEIGHT RANGE: Features a threaded adjustment mechanism that allows precise height customization from 3 inches to 4-3/4 inches, ideal for leveling floating decks, raised platforms, and paver systems on uneven surfaces
• HEAVY-DUTY CONSTRUCTION: Manufactured from durable polypropylene material that resists moisture, UV exposure, and harsh weather conditions, ensuring long-lasting performance for both residential and commercial outdoor applications
• STABLE OCTAGONAL BASE: 8-inch wide octagonal base design maximizes ground contact and provides superior weight distribution, delivering enhanced stability and support on slightly sloped or irregular terrain
• PRECISION LEVELING SYSTEM: Integrated shimming capabilities enable millimeter-accurate adjustments even after installation, allowing fine-tuning of joists, tiles, or pavers for a perfectly level finished surface
• VERSATILE APPLICATIONS: Perfect for rooftop decks, terraces, plaza areas, elevated patios, and modular flooring installations; sold as 1 pack weighing 10.25 pounds for targeted adjustments or replacement needs