In the London Underground, signs and audio recordings implore subway riders to “mind the gap”—in other words, to avoid stepping into the space between the platform’s edge and the train. “Mind the gap” is also useful information for building professionals when it comes to choosing insulation for use in masonry cavity walls.
Popular in K-12 schools and other institutional and commercial buildings, masonry cavity walls offer durability, long-life, exceptional weather resistance, thermal insulation and fire resistance.