Decorators Caulk

Flexible Caulk for Clean Interior Finishes

Decorator's caulk is ideal for sealing fine gaps and joints before painting. It's fast-drying, flexible, and easy to apply — perfect for achieving smooth, professional finishes around skirting boards, architraves, ceilings, and window frames. We stock overpaintable caulks that adhere well to plaster, timber, brick, and uPVC. Many products can be painted within an hour of application, helping you complete decorating work quickly and cleanly with minimal shrinkage or cracking.

Explore related products like general-purpose sealants, PVA adhesives, and plaster for a complete decorating prep solution.

FAQs – Decorator's Caulk

Can decorator’s caulk be used outside?
Most decorator’s caulk is designed for interior use only. For external gaps, use a flexible exterior filler or weatherproof sealant rated for outdoor conditions.

How soon can I paint over decorator’s caulk?
Some fast-drying caulks can be painted over in as little as 1 hour, but it’s best to follow the product instructions to ensure full skin formation and avoid cracking.

What’s the difference between caulk and filler?
Caulk is flexible and ideal for joints that may move slightly, such as between trim and walls. Traditional fillers are more rigid and best for small holes or cracks in flat surfaces.