Waterproofing is something you’ve got to get right the first time. That’s the mantra of John D’Annunzio, president of Paragon Roofing Technology, who has been a building consultant for more than 25 years. “The cost of repairing a waterproofing issue after the building is completed is almost always extremely expensive and time consuming — especially when you compare it to the cost of initially applying waterproofing materials in a new construction project,” he said.
D’Annunzio has investigated a lot of waterproofing failures over the years, and he points to three key factors: