View the Toupret entry on BPindex Visit the Toupret website Toupret’s HUMI-BLOCK solves a perennial problem for those who need to repair damp-damaged surfaces during restoration or remedial work. This highly effective damp-proof skimming filler provides a breathable barrier that blocks water penetration while still allowing water vapour to pass through substrates. It is a much-needed, reliable solution that resolves …