Description
Create a sleek, professional cantilever pool deck with Mortex Keystone Pool Forms. These high-quality disposable forms are specifically designed for gunite and concrete swimming pools, delivering a beautiful flared edge that enhances the look of any pool.
The Keystone Edge features a distinctive single smooth radius profile that is easy to trowel and finish, giving your pool deck an elegant, modern appearance while remaining highly practical for everyday use.
Key Features & Benefits:
- Premium Mortex Quality — Strong yet flexible construction for reliable performance during placement and easy removal after concrete sets.
- Built-in Cove Strip — Serves as an effective water stop, reducing the need for extra grouting or caulking between the tile and deck.
- Excellent Flexibility — Easily bends to tight curves down to a 1 ft radius (with filament tape), perfect for freeform, kidney, or custom pool shapes.
- Fast & Simple Installation — Quick setup with spears, buttons, tie wires, and nails. Saves time on every job site.
- Multiple Options Available — Offered in popular 8 ft sections and various cove strip colors (white, tan, or gray) to perfectly match your tile and deck design.
Ideal for pool builders and concrete contractors who want consistent, professional results with the classic Keystone cantilever edge.
Typical Box Contents: Approximately 112 ft of Keystone forms + matching cove strip, complete with tie wires, nails, and necessary accessories.
Whether you’re constructing a new pool or refreshing an existing deck with exposed aggregate or colored concrete, Mortex Keystone forms provide the durability, ease of use, and beautiful finished look your projects deserve.
Mortex Keystone Pool Forms – Buyer’s Guide
Use this guide to quickly choose the right variation for your project:
FKF
- Pool Type: Gunite / Concrete
- Cove Strip: White
- Attachment Method: Spears & Buttons
- Included Accessories: White cove strip, spears & buttons, nails, filament tape
- Best For: Most common choice for standard gunite pools
FKFT
- Pool Type: Gunite / Concrete
- Cove Strip: White
- Attachment Method: Tie Wires
- Included Accessories: White cove strip, tie wires, nails, filament tape
- Best For: When you prefer tie wires instead of spears
FKFTCG
- Pool Type: Gunite / Concrete
- Cove Strip: Gray
- Attachment Method: Tie Wires
- Included Accessories: Gray cove strip, tie wires, nails, filament tape
- Best For: Decks where gray cove matches tile better
FKFTCT
- Pool Type: Gunite / Concrete
- Cove Strip: Tan
- Attachment Method: Tie Wires
- Included Accessories: Tan cove strip, tie wires, nails, filament tape
- Best For: Decks where tan cove matches tile better
FKFFO
- Pool Type: Gunite / Concrete
- Cove Strip: None (Forms Only)
- Attachment Method: Spears & Buttons or Tie Wires (hardware sold separately)
- Included Accessories: Form bands only, filament tape
- Best For: Custom water stop or when you don’t need built-in cove
FKFFOT
- Pool Type: Gunite / Concrete
- Cove Strip: None (Forms Only)
- Attachment Method: Tie Wires (includes Tie Wire Bag)
- Included Accessories: Form bands only, tie wire bag + nails, filament tape
- Best For: Custom projects using separate water stop (Tan variant)
FFGK
- Pool Type: Fiberglass
- Cove Strip: White
- Attachment Method: Screws + Ties (fiberglass pack)
- Included Accessories: White cove strip, fiberglass hardware, filament tape
- Best For: Any in-ground fiberglass swimming pool
FKL
- Pool Type: Vinyl Liner
- Cove Strip: None
- Attachment Method: Key-Lock reusable keys
- Included Accessories: Key-Lock track system + keys
- Best For: Vinyl liner pools only
FKLRC
- Pool Type: Vinyl Liner
- Cove Strip: None
- Attachment Method: Key-Lock reusable keys
- Included Accessories: Radius-cut track + Keystone form + key pack
- Best For: Curved sections on vinyl liner pools
FKRSW
- Pool Type: Accessory (Fiberglass or Gunite)
- Cove Strip: White (Rite Strip)
- Attachment Method: Accessory strip
- Included Accessories: 112 ft white L-shaped Rite Strip only
- Best For: Minimizes radius on fiberglass pools before using cantilever form
Quick Selection Tips:
- Gunite or Concrete Pools → Choose from FKF, FKFT, FKFTCG, FKFTCT, FKFFO, or FKFFOT
- Fiberglass Pools → Use FFGK
- Vinyl Liner Pools → Use FKL or FKLRC
- All standard Keystone form boxes cover 112 ft (14 pieces × 8 ft)
- Cove strip serves as a built-in water stop (White is the most popular)




