Increased aldosterone stimulates sodium reabsorption and increases potassium and hydrogen ion excretion into the urine. There is a third class of diuretic that is referred to as potassium-sparing diuretics. Unlike loop and thiazide diuretics, some of these drugs do not act directly on sodium transport. Some drugs in this class antagonize the actions of aldosterone (aldosterone receptor antagonists) at the distal segment of the distal tubule.
Asphalt. Asphalt shingles are one of the most widely used roofing materials on the market today. Asphalt shingles are used on residential shingle roofs or also referred to as steep slope roofs. The asphalt shingle has advanced since its creation to its current day types, styles, shapes, colors, and sizes.
Types of Commercial Roofing Materials. Today, we cover the different generic types of commercial roofing materials that are available for flat roofs and low slope commercial roofs. According to the National Roofing Contractors Association, there are five common commercial roofing materials.