The Field Journal

The Immediate Summary Traditional jointing sand washes out during heavy rains, allowing water to penetrate the subgrade and destroy the patio's structural integrity from the bottom up. Polymeric sand fixes this by utilizing water-activated bonding agents to create a flexible, high-PSI joint that repels moisture, stops weed growth, and prevents insect tunneling. Attempting a DIY polymeric sand installation often fails due to under-watering, which creates a fragile surface crus

The Verdict: Concrete  is a rigid, porous sponge that cannot survive the physics of Michiana's 42-inch average frost depth without eventually cracking and spalling. Travertine  is stunning for indoor-outdoor transitions or covered lanais, but its porous nature makes it a fiscal liability when exposed to open-air freeze-thaw cycles. Interlocking Pavers , built on a deeply excavated, permeable base, create a flexible pavement system that rides the frost heave and settles flawle