We can't emphasize enough the importance of sealing your Backwater Valve Basin! 🔒✨ The science is simple… 💡 All sump pumps in new homes are required to be sealed because they act as an open window to the sub-slab of your basement, letting in Radon, Moisture, VOCs, and Soil Gases. 💨 While sump pumps hold water, which acts as a pseudo-seal, Backwater Valve Basins are often dry, allowing these harmful contaminants to flow right into your home through the permeable stone around them! 🏡⚠️ In Hami