Why Conproco Matrix is my go-to for masonry restoration

I've spent a lot of time on job sites lately looking for a reliable way to fix chipped sandstone, and using Conproco Matrix really changed the game for me. If you've ever worked on a historic building or even just a backyard stone wall that's seen better days, you know the frustration of finding a patch that actually looks like it belongs there. Most off-the-shelf mortars look like a grey blob of chewing gum once they dry, but this stuff is different. It's designed specifically as a mineral-based restoration mortar, and it's meant to mimic the natural properties of the stone you're working on. ...

May 14, 2026 · 6 min · Layne Christiansen