Simpson Strong-Tie PPRC 100mm-150mm Adjustable Post Base

Height-Adjustable Post Support for Timber Columns

The Simpson Strong-Tie PPRC Adjustable Post Base is a robust and versatile solution for supporting timber posts where height flexibility and ground clearance are required. Designed for structural use with a wide range of post sizes, it features a threaded mounting system for precise height adjustment and durable pre-galvanised construction for lasting performance.

Key Features

• Adjustable Stand-Off Height: Easily adjustable between 100mm and 150mm, allowing precise levelling and clearance from ground moisture.

• Wide Post Size Compatibility: Accommodates square timber posts ranging from 100mm × 100mm to 200mm × 200mm.

• Heavy-Duty Construction: Made from 5.0mm thick pre-galvanised mild steel for strength and corrosion resistance in sheltered or partially exposed settings.

• Secure Mounting: Includes 8 fixing holes (Ø10mm)—4 on the top plate and 4 on the bottom—for strong, stable attachment to both the timber post and the base structure.

Benefits

• Adjustable height improves structural alignment and on-site flexibility

• Reduces risk of post rot by raising timber off the ground

• Simplifies installation and alignment across uneven surfaces

• Durable material and design suited for long-term structural use

Product Dimensions

Pack Information

• Pack Size: 1 unit

• Manufacturer Part Number: PPRC

Applications

Ideal for decks, verandahs, pergolas, carports, and timber-framed structures requiring vertical post support with height adjustability and moisture protection.

Important Notes

• Ensure proper embedment and fastener selection based on load requirements and substrate.

• Not recommended for coastal or highly corrosive environments without additional protective treatment.