Serving the modular building industry since 1992

Over the past 25 years, Holrow has developed into a leading, trusted manufacturer and supplier of flat roofing and insulation systems, plus washroom cubicles, for modular and portable buildings. We offer an expert and highly personalised service across the UK and Eire, so you’ll talk to a named contact with up to 30 years’ experience of supplying to the modular building sector.

Fast, personal responses

We understand your short lead times, and will do our utmost to deliver to your deadlines. This also means we’re particularly quick to respond to enquiries and with quotations.

Specialists in modular buildings

Our proven track record and strong reputation make us a popular and well-respected choice among specifiers and construction firms. Our extensive knowledge of the modular building sector, and the products available within it, mean we can offer an exceptionally high standard of:

  • Pre-sales support on roofing products for modular buildings
  • Pre-sales support on washroom toilet cubicles and shower rooms 
  • Technical support 
  • Training on how to install and maintain our products.
Roof blankets for modular buildings

Range of products for modular buildings

Our high-quality products are designed to be user-friendly and easy to install and maintain:

  • Modular building roofing products designed to waterproof and protect the roofs of modular buildings Link to section landing page
  • Insulation for modular and portable buildings (walls and floors) Link to section landing page 
  • The adhesives you’ll need to apply the above Link to section landing page 
  • Laminates, panels, vanity units and hardware for creating made-to-measure toilet cubicles & washrooms for adults and children, including disabled-access bathrooms. Link to section landing page

Raingard will repair and waterproof any substrate