Form Extender - Expert Kits






Form Extender - Expert Kits
Choose your form size
4" Kit (3.5” tall for 2x4 forms)
6" Kit (5.5” tall for 2x6 forms)
8" Kit (7.25” tall for 2x8 forms)
Form Extender Expert Kits
The Form Extender Expert Kits are built for contractors who need speed, accuracy, and adaptability on any concrete job. Designed to handle everything from residential flatwork to large commercial pours, these kits let you extend forms quickly while keeping lines straight and consistent.
Each kit includes 10 galvanized steel extenders in multiple lengths, giving you the flexibility to handle steps, elevation changes, and custom layouts without rebuilding forms.
What’s Included (10 Pieces Total)
2 × 6" extenders
2 × 9" extenders
2 × 12" extenders
1 × 18" extender
1 × 18" Gap Form Extender
1 × 24" extender
1 × 36" extender
Key Features
Designed for fast, clean form extensions
Ideal for footings, patios, slabs, and multi-height pours
Works with standard lumber forms
Heavy-duty USA-made galvanized steel
Built for repeated use on demanding job sites