@crystalpropertyltd: There’s NO WAY that jointing compound survives 3,700 PSI…” 👀💥 So we put it to the test. 💨 3,700 PSI. 💥 Full force. And the result? ZERO. DAMAGE. 🤯 🎨 Basalt 📍 Manchester-based | UK-wide for larger projects 📲 Want yours? DM us or comment ‘’PATIO’’ For a FREE quote. Would your jointing compound survive this? 👇