Welcome to Seymour Manufacturing International – Home of Tempro®


Seymour Manufacturing International (SMI) manufactures and supplies Tempro® thermal insulation systems, roll cage covers and pallet covers, thermal covers, bags and boxes, cold room curtains and doors and many more.

Seymour’s Tempro® is a unique lightweight insulation that has exceptional thermal properties and is widely used in food and logistics industries, for applications such as:

It has been scientifically proven to save energy, and money, for companies across a wide range of industry sectors


Latest News

  • SMI adrian fisher

    Familiar face welcomed back to the SMI team

    Thermal insulation specialist Seymour Manufacturing International (SMI) has continued its expansion by welcoming a familiar face back to the team. Adrian Fisher has rejoined the Shropshire-based company as a warehouse fitter and engineer – picking up where he left off back in 2009. “I spent two happy years with the business from 2007 before leaving […]

  • SMI A4 ad - Back-Stop-page-001

    Thermal protection perfection is creating amazing energy savings

    Thermal protection perfection – that’s what Seymour Manufacturing International (SMI) is all about. It’s the award-winning company behind Tempro, the remarkable lightweight thermal insulation material which has been scientifically proven to cut energy loss by 25% in chillers, and an amazing 33% in freezers. SMI is a world leader in thermal insulation for the protection […]

  • leo2

    Leo is the latest to join expanding SMI sales team

    Thermal insulation specialist Seymour Manufacturing International (SMI) has appointed a new sales manager for the south west of England as it continues to expand its team. Leo De Cilia brings sales and management experience gained from a string of top brands, including Britvic plc, Palmer and Harvey, and Imperial Tobacco. The 38-year-old Londoner, who was […]