Birmingham Mein Guttering Aur Drainage Ki Ahmiyat Jab hum roof inspection ki baat karte hain, to aksar log sirf tiles ke bare mein sochte hain. Lekin Birmingham ki purani Roof inspection Birmingham imaraton mein "Guttering" yani naliyon ka nizam sabse aham hota hai. Agar aapki chat ke tiles bilkul naye bhi hon, lekin agar naliyan band hain ya