Paint and Waterproofing Contractor Bankruptcies Near Record as Naphtha Shortage Squeezes Sites

- January-May bankruptcies among painting and waterproofing contractors match 2025's record pace
- Middle East tensions have caused naphtha shortages, raising material costs and delaying deliveries
- Small contractors lack pricing power to pass on costs, driving failures
War clouds over the Middle East are crushing one of the least visible trades on Japanese construction sites. Teikoku Databank finds that bankruptcies among painting and waterproofing contractors in January-May match the pace of 2025, the worst year since 2000. The direct trigger: naphtha shortages stemming from Middle East tensions, which have raised prices and stretched delivery times for paint and waterproofing materials. The structural bind is bargaining power — these are small subcontractors at the end of the construction chain who cannot force price increases on general contractors, so failed cost pass-through becomes their loss. For property owners, this is a cost warning: quotes for exterior repairs and waterproofing renovations will keep climbing, so lock in prices early for planned major repairs. For investors, the chain from crude to naphtha to paint to repair fees is a clean specimen of Japan's cost-push inflation. Every notch of Iran tension thickens the bill at the construction site.