You must be diagnosed with parathyroid disease (hyperparathyroidism) if your parathyroid hormone level is high and your calcium level is also high. The excess parathyroid hormone is the CAUSE of the high calcium. The high calcium is caused by a parathyroid tumor--nothing else will cause this.
The ridge of a sloped roof system is the horizontal top area where two sloped roof areas meet. The National Roofing Contractors Association defines ridge as Highest point on a roof, represented by a horizontal line where two roof areas intersect, running the length of the area.. The ridge area on sloped roof systems should be capped to ensure a watertight roof system as well as aesthetic appeal.
Re-roofing: The practice of removing an existing roofing system and replacing it with a new roofing system. Ridge: The uppermost, horizontal external angle formed by the intersection of two sloping roof planes. Roll Roofing: Asphalt roofing products manufactured in roll form, either smooth-or mineral-surfaced. Saturated Felt: An asphalt-impregnated felt used as an underlayment between the deck and the roofing material.