Spray Foam Insulation & Waterproofing You Can Trust

27 years serving Domestic, Commercial, Industrial, Agricultural & Marine projects across UK & Europe-wide.

  • 27 years' experience
  • Family-run
  • BBA-certified systems
  • UK & Europe-wide
  • Approved Sika Installer
  • Approved Krypton Chemicals Installer
  • Approved Econ Installer
Krypton Chemical (Rayston) Econ Building Products

Two divisions, one trusted team

Insulation Solutions

Spray foam insulation, fire protection & condensation control

Our spray insulation division installs high-performance polyurethane foam and fire-protection systems across domestic, agricultural, commercial and industrial buildings — cutting energy costs, controlling condensation and improving fire safety. …

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Waterproofing Solutions

Polyurea, roof coatings, tanking & containment

Our waterproofing division delivers spray-applied polyurea and liquid-membrane systems for decks, roofs, tanks, bunds and below-grade structures. Fast, seamless, hard-wearing protection for the most demanding surfaces — including …

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How it works

  1. Free Survey

    We visit, assess your property and discuss your goals — no obligation.

  2. Design & Specification

    We specify the right system and materials for your building and budget.

  3. Installation

    Our own trained team carries out the work — no subcontractors.

  4. Handover & Documentation

    We hand over with warranties and full documentation for your records.

Why choose Premium Spray Insulation?

No middlemen, just quality service

We personally handle every survey, quote and installation — consistent quality and transparent pricing, with no intermediaries.

Built around your project

Solutions tailored with deep industry knowledge across residential, commercial, agricultural and marine work.

Industry-leading materials

BBA-certified systems from major manufacturers, expertly applied with full accountability and warranties.

Mortgages & condensation FAQ

Worried about spray foam and your mortgage, or about condensation? We answer the industry's #1 question honestly — ask us for straight advice before you commit.

Ready to start your project?

Book a free, no-obligation survey. We'll be in touch within one working day.

Book a Free Survey