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.
1 Shingle is the generic term for a roofing material that is in many overlapping sections, regardless of the nature of the material. 2  Wood shingle, shingles sawn from bolts of wood such as red cedar which has a life expectancy of up to 30 years. 3  However, young growth red cedar has a short life expectancy and high cost.
If not, youâll need to clean, inspect and repair your roof from the safety of a ladder. Types of RV Roofs. There are several types of roofs on RVs. The most common are rubber membrane roofs (EPDM/TPO), PVC roofs, and fiberglass roofs.