Some walls fight back. Loose, powdery, chalky substrates that drink up paint, refuse to hold a topcoat and turn into a problem three weeks later. Gush DeepSeal is built for exactly those jobs. This premium water-based acrylic penetrating sealer soaks deep into weak, old surfaces, binds the loose particles and consolidates the substrate into a sound, stable base, ready for putty, skim coat or topcoat that actually stays put. Here's the part that matters to your margins: DeepSeal is both the anti-chalk treatment and the sealer in a single application. No separate sealer coat before top coating, which means one product, one pass, and real savings on labour, time and material on every problem wall you tackle. It's ready to use straight from the pail on weak surfaces, goes on by roller, brush or spray, and cleans up with plain water. Ultra-low odour, formaldehyde-free and quick to dry, it's the sealer you specify when the substrate is against you and the finish still has to last. Bind the wall properly the first time, and stop losing days to surfaces that were never stable to begin with.