If you're having an old building on your property demolished, you might think it's going to be a giant mess. It can be, of course; demolition isn't a tidy job. But all the materials in the old building aren't simply piled into a heap. You'll see various materials getting sorted out into piles, and you can do things with those piles instead of just having them taken away. Three types of material or items in particular can provide benefits after the demolition is done.
Sell Scrap Metal
Any scrap metal from the building can be sold for cash. You could also give it to a recycling company and be done with it, but if you can get some money in return, why not? The prices for scrap metal vary daily, and some metals will be more in demand than others. For example, any copper wiring in the building can usually get you a nice sum of money, while plain steel may not be as in demand. When you have the metal separated out -- the demolition company may be able to do this for you, but double-check first before assuming anything -- hold a magnet to each type. Note which ones attract the magnet and start calling scrap yards to ask about pricing.
Use Crushed Concrete for Gravel Paths
Old concrete from patios, courtyards, and other parts of the old building can be crushed into smaller pieces that you can use for a gravel pathway. If you have an area that needs to be covered to prevent erosion, the crushed concrete can work well because it will let rain filter down to the soil without allowing that soil to wash away. Do check the gravel after heavy rains, though, because strong streams of runoff can move smaller gravel.
Fixtures as Planters
Any ornate fixtures from the old building -- or even the plain ones if they're large enough -- can be used as funky planters if you are relandscaping. A sink can hold an assortment of annual flowers, and older light fixtures could become bird baths (assuming you are not plugging these into anything again). If you're dealing with an office property instead of a residential property, you might be able to sell the fixtures to antique stores or consignment shops.
Talk to the demolition company to find out what they can do as part of the demolition and what avenues they suggest for reusing or recycling the material. You have a lot of options, so start considering which routes to take now.