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How to Landscape Backyard: Use Polyurethane Adhesive
Mortar is traditionally used to secure the top courses of stone on a wall. But polyurethane adhesive does the same thing without the hard work and mess of mi mortar or the skill needed to trowel it on. Also, polyurethane stays flexible, so it doesn’t crack and fall out like mortar does. Combine stone chips with the adhesive to shim stones to keep them steady until the adhesive cures. Polyurethane adhesive is available at home centers and is at least as strong as dedicated landscape adhesives.
How to Landscape Backyard: Pack Gravel in Layers
Depending on the type of soil, most paths, patios and walls require an 8- to 12-in.- deep compacted base of gravel. But if you just dump 8 in. of gravel into a trench and run a plate compactor over it, only the top few inches will be fully compacted. The uncompacted gravel will settle later, creating waves in the wall or path. For a fully compacted base that won’t settle, add the gravel in 2- or 3-in.-deep layers, and run the plate compactor over each layer before adding the next one. We’ll show you how to build a perfect patio here.