C-Tec FC1 All-in-One Filler & Caulk

Meet FC1 – the ultimate all-in-one filler and caulk designed for professionals and DIYers alike. This versatile formula bonds and seals gaps between a wide range of materials, including wood, metal, brick, stone, plaster, and plastics.

With its super-smooth, no-sand finish and quick-drying formula, FC1 lets you paint or wallpaper over in as little as one hour, so you can finish projects faster. Whether you’re working on door frames, skirting boards, architraves, window sills, or coving, FC1 delivers a durable, flexible seal that lasts.

Key Features:

• 2-in-1 filler and caulk for multiple applications

• No slumping – fills gaps up to 25 mm in a single application

• Quick-drying – ready to paint or paper over in just one hour

• Ultra-smooth finish – no sanding required

• Flexible performance thanks to advanced acrylic elastomer technology

• Solvent-free, low-odour, and easy to clean

• Usable in temperatures from 5 °C to 40 °C

Perfect for:
Interior finishing, gap filling, sealing joints, and decorating preparation work.