Costochondritis Overview. Costochondritis is an inflammation of the junctions where the upper ribs join with the cartilage that holds them to the breastbone, or sternum. The condition causes localized chest pain that you can reproduce by pushing on the cartilage in the front of your ribcage.ifferent types of infectious diseases can cause costochondritis. 1  Viral: Costochondritis commonly occurs with viral respiratory infections because of the inflammation of the area from the viral infection itself, or from straining from coughing.
Concrete driveways may require sealing every 3 to 10 years depending on the weather conditions. Extreme hot or cold weather trigger the damages in driveways. Hence, places with extreme hot or cold weather require sealing more often. There are different types of sealers available for sealing concrete driveways.
Bearing in mind these factors, professional asphalt driveway sealing can cost $.10 - $.30 per square foot or as much as $.50 - $1.00 per square foot. Doing the job yourself might yield savings of $100 - $200 per 1,000 square feet of driveway.According to the website Do it Yourself or Not, DIY costs for sealing a 20 x 50 foot drive run $80 compared to $240 for professional sealing.Â© 2015 CostOwl.com.All rights reserved.he recommended interval for driveway sealing depends on your local climate. In areas that experience harsh winters, heavy precipitation, high temperatures, or frequent freeze-thaw cycles, sealing might be needed every year or two. In milder climates, every 3 to 5 years should suffice.