The building is over 50 years old and the roof is at a guess over 250sqm. with multiple skylights, AC installations and pointing in disrepair.
Over this past weekend, the weather has revealed multiple points where water is making its way into the building. One of them has filled a commercial size dustbin overnight.
Had work done about a year and a half ago and again having the same repeated issues.
What was used on previous job was with fibreglass Cromapol Instant waterproofing