The Tree Gives Man the Nature Itself, So Wooden Beam Is the Most Environmentally Friendly Material. The Ability of Wooden Houses to «Breathe» Isespecially Valuable. The Walls of Such a House Are Warm, Havy Good Sound Insulation. This Material Is Relatively Cheap, Special Skills are not Required for Construction Work. Wooden Houses are Being Erected, Like Blocks, Fast Enouch. But there Its Disadvantages: The Life and Strength of this Structure Are Inferior to Brick and Block Structures. The Wooden Country House Low Fire Resistance. Choice for the Owners, Which Material is Best Purchassed for Construction.