There have been many ice ages during the last 2.6 million years but when people talk about the Ice Age, they are often referring to the most recent glacial period, which peaked about 21,000 years ago and ended about 11,500 years ago.
It costs roughly â¦ $11-$13 for the materials and contractors average about $5-$8 per square foot for labor, not including steps. For example, my company charges approximately $18 per square foot to build a deck.
What does it cost to build a deck: Deck materials-Choice of deck materials range from exotics like teak ($22-24 sq. foot) - To Redwood and cedar ($18-22 a sq. foot) - To pine ($10-16 a sq. foot) - All the composites run around $20 sq. foot.*This is a deck we built on a hillside (see video for more details).ize: 18 x 50 Cost: $72,647.00. 2. What does it cost to build a deck:Excavation-preparation costs will vary depending on the landscape and the amount of work necessary, but all projects will require leveling for the concrete footings.