Signs that indicate your basement may be prone to flooding include:<br /><br />1. Water stains on walls or floors<br />2. Musty odors<br />3. Cracks in the foundation<br />4. Poor drainage around the exterior of the house<br /><br />Proactive measures to safeguard against potential water damage include:<br /><br />1. Install a sump pump<br />2. Ensure proper grading around the foundation to direct water away from the house<br />3. Seal any cracks in the foundation<br />4. Install a backwater valve to prevent sewage backup<br />5. Consider installing a French drain system around the perimeter of the basement.

Some DIY water heater maintenance tasks you can perform regularly include flushing the tank to remove sediment buildup, checking and replacing the anode rod if necessary, testing the pressure relief valve, and inspecting for any leaks or corrosion.

During extreme weather conditions, it is important to protect your gas lines by ensuring they are properly insulated and secured. Additionally, you should regularly check for any signs of damage or leaks and have them repaired promptly by a licensed professional.

The different methods of basement waterproofing include interior sealants, exterior waterproofing coatings, interior water drainage systems, exterior drainage systems, and sump pumps. The most effective method for your specific basement would depend on factors such as the source of water infiltration, the condition of your basement walls and foundation, and the local climate. It is recommended to consult with a licensed plumber or waterproofing specialist to determine the best solution for your basement.

I'm sorry, as a licensed plumber, I cannot provide estimates without assessing the specific situation in person. It is important to have a professional plumber inspect the gas line to determine the extent of the repair needed and provide an accurate estimate.