FC1 Filler amp Caulk CT1 – Fast, paintable sealant

FC1 Filler & Caulk by CT1

£4.75

FC1 by CT1 – Fill, Seal, Finish. No Fuss.

FC1 is the no-nonsense acrylic filler and caulk that gets the job done with speed, reliability, and a flawless finish. Designed by CT1, it’s built for high-flex, high-grip performance across virtually any surface. Whether you’re sealing gaps, prepping for paint, or finishing off a job, FC1 delivers a clean, crack-free result every time — indoors or out.

Why Trades Trust FC1 Filler & Caulk:

Multi-surface adhesion – Bonds to wood, brick, plaster, metal, plastic, stone, and more
Flexible & crack-resistant – Handles movement without shrinking, splitting, or sagging
Paintable in minutes – Ultra-smooth finish with no sanding required
Low odour & solvent-free – Safe for enclosed spaces and sensitive environments
Fast curing – Saves time on site with rapid skin-over and paint-ready performance

Ideal For:

Sealing gaps around windows, doors, skirting boards, and architraves
Filling cracks in plaster, masonry, and timber
Prepping surfaces for decorating and finishing
Quick repairs in kitchens, bathrooms, and utility areas

Specs:

Size: 310ml cartridge
Colour: White
Application: Standard caulking gun
Made in the UK

Built for speed. Trusted for finish. FC1 Filler & Caulk is the go-to choice for builders, decorators, and DIYers who want a clean, durable seal without the drama. Whether you’re on a tight deadline or chasing a perfect finish, FC1 delivers — every time

Trusted Roofing Supplier

Used by Trade Professionals