Because of this, vegetarian men are at an increased risk of developing iron-deficiency anemia. Some conditions may cause a decreased ability to absorb iron, which can also lead to iron-deficiency anemia. Malabsorption may be a result of inflammatory bowel diseases, such as Crohn's disease, or prior intestinal surgery.
How to Install Cement Backerboard around a Tub. Bathroom Remodeling For Dummies. The ideal underlayment for ceramic tile is cement backerboard, which comes in 1/4- and 1/2-inch-thick panels measuring 3 x 5 feet and 4 x 8 feet. The dense, gray material is very heavy, so use the smaller size for replacing tub walls.
One board installed vertically on each end of the tub and two boards installed horizontally across the back of the tub. Cement backer board comes in two standard thicknesses, 1/2 inch and 1/4 inch. The industry standard is to use 1/2-inch-thick backer board on wall tile installations, such as a tub surround.