Smith and Roger Blockade – The Professional Stain-Blocking Primer

brian1906
Nov 14, 2025
2 min read

For decorators and painters, achieving a flawless finish starts with the right preparation. Smith and Roger Blockade is a premium shellac-based stain-blocking primer that makes even the toughest decorating challenges simple. Available at Topdecbrush.com, it’s perfect for sealing stains, odours, and discolourations before painting.

What Makes Blockade Special?

Smith and Roger Blockade is a high-performance primer designed to:

Seal Stains and Tannin: Perfect for water marks, smoke damage, ink, and wood tannins.
Block Odours: Ideal for sealing in unpleasant smells from smoke, pets, or kitchens.
Provide a Smooth Base: Creates an excellent foundation for both oil-based and water-based topcoats.

Thanks to its shellac base, Blockade dries quickly and provides an exceptionally strong barrier against stains, ensuring your paintwork stays bright and clean.

Key Features

Fast-Drying: Dries in minutes, allowing projects to move along quickly.
Versatile Primer: Works on wood, plaster, drywall, and previously painted surfaces.
High Coverage: One coat often provides complete stain and odour blocking.
Professional-Grade Finish: Leaves a smooth surface ready for any topcoat.

Why Topdec Recommends It

At Topdec, we know that preparation is everything. Using Smith and Roger Blockade guarantees that stains won’t bleed through your paint, saving time and avoiding frustrating touch-ups. Its reliability makes it a favourite among both professionals and DIY enthusiasts.

How to Use

Prepare the Surface: Ensure it’s clean, dry, and free from loose material.
Apply Blockade: Use a brush, roller, or spray.
Allow to Dry: Typically within 15–30 minutes thanks to the fast-drying shellac formula.
Topcoat as Needed: Paint over with your chosen topcoat once dry.

Conclusion

When it comes to tackling stubborn stains and preparing surfaces for a perfect finish, Smith and Roger Blockade is a must-have primer. Its shellac-based formula blocks stains, odours, and tannins, ensuring a smooth, professional-quality finish every time.

Discover Smith and Roger Blockade and other trusted decorating products at Topdecbrush.com