AC roofing completely wrongly fitted , number of purlin must be increased, if not, May be chance of breaking of AC sheet, safe purlin Spacing for AC sheet is 1.4 m. Maximum.
Sir es form me nipple plus auto drinker install ho jayega kya aur total cost kya aayega same dimension ka aur same pattern pe ham bhi banva rahe hai kitna cast aayega installation me please bataye