How to compare every cost of waterproofing in Patna quote fairly?
To compare fairly, look at the "Warranty Period" and the "Number of Layers." A cheap cost of waterproofing in Patna quote might only include two thin coats, while a premium one includes five layers including a primer and a protective top-coat. Always ask: "Is the crack-filling included?" Many low quotes leave this out and then charge you extra once the work starts.