I just tried for myself. I tared a measuring beaker, then tipped in 500ml of plain white flour. It weighed 374g, or 187g per cup. That's quite a bit more than the standard values, that range from 125 to 150g. When compacted by tapping it vigorously on the bench, the volume went down to 450ml (10% compaction). â
Prefab Fireplace: $1,500-9,000. If you are looking for a fireplace with a fairly substantial look, but aren't ready to pay a skilled mason to build one from scratch, then a prefab model is right for you. A majority of prefab fireplaces are made of reinforced concrete and equipped to burn natural gas or propane.
1 Natural rock steps can cost $80 to $200 each. 2  Faux landscaping rocks can cost $45 to $100 or more for a single rock that stands around 1 to 2 feet high. 3  A small bag of rocks, such as lava rocks or pebbles, will cost $2 to $5 for a bag that covers 0.5 cubic feet. This is all going to depend on the type of rock, the style, as well as how rare they are. 2  Wallstone rocks can cost $170 to $350 per ton. 3  Boulders can cost upwards of $800 per ton. 4  For example, a volcanic rock can cost $600 per ton.