A small number of people will have a blood pressure at very high levels, above 240/120mmHg for example, and this can cause problems very quickly and it needs to be treated straight away. For a blood pressure chart of readings, click here.
Materials and installation for a stone retaining wall start around $25-$40 a square face foot and go up depending on materials, site conditions, and other factors. It costs $1,250-$2,000 or more for a wall 30 inches high and 20 feet long.
Homeowners planning on the installation of a brick wall will have some additional costs beyond the purchase of the main material for the project. Bricks must be bonded together with mortar. The mortar and other supplies to construct a brick wall add an average of $1.20 per finished square foot of wall. A brick wall may be constructed by a handyman, masonry specialist or a general contractor. The average cost per hour for a handyman or general contractor to install a brick wall is $44.50. The average cost per hour to hire a masonry specialist for the construction of a brick wall is $62. The difference in installation cost is based upon the ability of a mason to create complex designs and configurations with the bricks.