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Insulation Accessories

Insulation accessories & fixings ensure your thermal and acoustic insulation performs exactly as designed. From specialist tapes and membranes to mechanical fixings and support systems, these essential components create airtight seals, secure boards firmly in place, and prevent thermal bridging that can compromise your building's energy efficiency. Without the right accessories, even premium insulation materials will underperform.

Our Insulation Fixing & Accessory Range

We stock a comprehensive selection of components to complete any insulation installation professionally:

  • Insulation fixings and anchors – mechanical fasteners designed for different substrates, including concrete, timber, and steel framing, ensuring boards remain secure over decades.
  • Vapour control membranes – essential moisture barriers that protect insulation from interstitial condensation while maintaining thermal performance.
  • Foil tapes and jointing systems – specialist adhesives rated for permanent bonds on reflective insulation, PIR boards, and membrane overlaps.
  • Breather membranes – water-resistant yet vapour-permeable layers for pitched roofs and timber frame walls.
  • Support netting and hangers – lightweight systems for suspending mineral wool between joists and rafters without compression.

Browse our complete Insulation Materials range to find the boards, rolls, and slabs these accessories are designed to complement.

Selecting the correct fixing depends on your insulation type, substrate material, and application. Thicker rigid boards typically require longer anchors with larger diameter heads, while flexible quilts benefit from support netting or wire hangers. Always check manufacturer specifications for fixing centres and membrane overlap requirements.

Why Choose McMahons for Your Insulation Project?

With nearly two centuries of experience serving Irish builders, our team understands the practical challenges of achieving Part L compliance and delivering genuinely energy-efficient buildings. Our branches carry trade quantities alongside single packs for smaller jobs, and our staff can advise on compatible accessory combinations for products like Air Tightness Insulation systems. Ready to complete your insulation specification? Find your nearest McMahons branch to discuss your requirements with our experts.