Sika SikaSeal Large One Hour Decorators Caulk C4 879087 125C4 White

Sika SikaSeal One Hour Decorators Caulk Large C4 380ml Tube in White

Barcode: 5029347000059

MPN: 125C4

Sika Code: 485997 / New Sika Code 879087

Colour: White

Size: 380ml C4

Formerly Everbuild 125 now Sika SikaSeal One Hour Caulk; same product, new name and tube as part of the Sika rebrand

Overview:

Sika SikaSeal One Hour Decorators Caulk Large C4 380ml in White (125C4) is a premium acrylic filler and sealant for achieving crisp, professional decorating lines. Formerly Everbuild 125, this is the same trusted product under the Sika branding, with only the tube and name changed. It’s ideal for sealing and filling minor gaps and cracks before painting or wallpapering, and can be overpainted in as little as one hour (conditions dependent). The flexible formula resists cracking with slight movement, offers excellent slump resistance, and cleans up easily with water for a tidy finish.

Key Features

• Over-paintable in around 1 hour (depending on conditions)

• Flexible acrylic formula helps resist cracking and shrinkage

• Smooth, professional finish with no sanding normally required

• Excellent adhesion to common building materials

• Great slump resistance for neat, controlled beads

• Easy water clean-up while wet

• Large 380ml (C4) trade-size cartridge for frequent use

Specifications

• Brand: Sika

• Product Type: Decorators Caulk / Flexible Acrylic Sealant

• Product Name: Sika SikaSeal One Hour Decorators Caulk (Formerly Everbuild 125)

• Colour: White

• Size: 380ml (C4 cartridge)

• MPN: 125C4

• Barcode: 5029347000059

• Old Sika Code: 485997

• New Sika Code: 879087

• Clean Up: Water (while wet)

• Paintability: Paint over after approx. 1 hour (site conditions dependent)

Applications

• Sealing along skirting boards, architraves and trim edges

• Filling cracks in plaster, walls and ceilings before decorating

• Gaps around window and door frames

• Finishing around coving, cornices and ceiling joints

• Light repair filling prior to painting or wallpapering

How to Use

• Ensure surfaces are clean, dry, and free from dust or loose material

• Cut the nozzle at 45° to suit the bead size and fit to the cartridge

• Apply using a standard sealant gun with steady, even pressure

• Tool/smooth within 20 minutes using a damp tool, cloth, or finger

• Allow to dry, then paint or paper over (typically after around 1 hour)

Sika SikaSeal One Hour Decorators Caulk Large C4 380ml White – Key FAQs

• Is this the same product as Everbuild 125 Decorators Caulk?

  • Yes. It’s the same trusted decorators caulk now branded as Sika SikaSeal; only the name and cartridge branding have changed during the transition from Everbuild 125.

• How soon can I paint over it?

  • It’s designed to be overpainted in around 1 hour, but drying time can vary with bead size, temperature, humidity, and airflow.

• Where is this caulk typically used?

  • Ideal for tidy finishing around skirting, architraves, coving, window and door frames, and for filling small cracks in plaster prior to painting or wallpapering.

• Will it stay flexible and resist cracking?

  • Yes. The acrylic formula remains flexible to accommodate minor movement, helping reduce cracking and shrinkage for a longer-lasting decorated finish.

• How do I clean up after application?

  • Clean tools and excess caulk with water while the product is still wet. Once cured, removal is mechanical, so wipe away smears promptly.

• Is this suitable for bathrooms and kitchens?

  • It can be used where it will be painted, but for constantly wet or high-moisture joints, a dedicated sanitary silicone is usually the better choice.

• What tools are needed for application?

  • You’ll need a standard 380ml sealant gun to apply the caulk and a damp cloth or smoothing tool for finishing.

Sika SikaSeal One Hour Caulk Data Sheet

"Always read the Technical Datasheet prior to first use to ensure you have the correct information and  product for your application"