• Show All
  • Roof Blankets
  • Modular
  • Waterproof Coating

Specialists in roof membranes & blankets for modular buildings since 1992


Holrow has 25 years’ experience in manufacturing and supplying roofing membranes and roof blankets for the modular building industry. We work closely with specifiers and contractors to deliver the highest-quality waterproofing, protection and repair for the roofs of modular buildings. Thanks to our experience and expertise, we’re able to offer superb pre-sales and installation support, as well as specialist training in how to install and maintain roofing blankets and membranes.


All our roof blankets can be heat welded. Ideal for finishing details on site