Home / All Products / Atom 2 in 1
One tin, two jobs. WalltronNSealCrackFillPaste is a water-based, low-sheen emulsion built to perform on both interior and exterior walls — antifungal, washable, and formulated to hold its finish through repeated cleaning and everyday weather.
What makes AT 4B a practical choice for mixed interior/exterior jobs.
One product for both interior and exterior walls.
Resists fungal growth in humid Kenyan and Indian climates.
Everyday marks wipe off without damaging the sheen.
Low odour, easy clean-up, safer for occupied spaces.
A soft, even sheen that hides minor surface imperfections.
Formulated to hold colour and finish over repeated seasons.
Everything you need to plan and order the right quantity.
Up to 20% by volume with clean water. Stir well before use.
120–140 sq.ft/litre/coat, depending on surface porosity and application method.
Low sheen — smooth appearance with subtle reflectivity.
Interior and exterior plastered walls, masonry and previously painted surfaces.
Tell us about your Atom 2 in 1 AT 4B project and quantity needed — our consultants will get back to you with a free recommendation and quote.
A quick word on cookies
We use a few cookies to keep the site running smoothly and to understand how people shop with us. Choose what you're comfortable with – see our Privacy Policy for the full picture.