Past Price Increases
May 2026
 | All products | 7.5% | |
 | PROCLAD MB30 GTB65 GTW65 | 6% | |
 | Glass Fibre Needlemat Aluminum Section Bands | 5% | |
 | All products | 9% | |
 | MW Supaphen Pipe Section – All densities, all facings MW Supaphen Pipe Supports – All densities, all facings MW Supapduct PIR – All sizes MW Supercel Phenolic Duct Board – All sizes | +7% |
April 2026
 | All Aluminium products. This includes Aluminium Banding, Aluminium Section Bands & Aluminium Wing Seals. | 30% | |
 | All Isover technical insulation products | +4.4% | |
 | All Paroc Pro products | +3% | |
 | Slotted Section Product Coverings & Coversions | +3% |
 | T303 temporary emergency increase | 7% | |
 | All products | +6% | |
 | Kooltherm Pipe Insulation Kooltherm Pipe Supports Kooltherm Duct Insulation KoolDuct K-Roc Pipe Insulation Thermaduct | 15% | |
| MW Supaphen Pipe Section – All densities, all facings MW Supaphen Pipe Supports – All densities, all facings | +3% | |
| Foil Faced SlottedSectionTM Pre Clad SlottedSectionTM | 13% | |
 | PreClad NuPhen / Free-Issued Conversion | 5% |
March 2026
| KFlex Nitrile Rubber KFlex Accessories KFlex PE | +6.25% +5.80% +5.00% |
February 2026
| Idenden Tapes Idenden Adhesives Idenden Coatings Idenden Hangers Idenden Sealants Acoustic Wrap All other products | +2.50% | |
| HVAC pipe sectionsHVAC Mat, Slab and LamellaIcerock | +4%+5%+0% | |
 | All rockwool Product ranges & ancillaries | +3.8% | |
| Foister Products Filament Tape Butyl Tape | +6% |
January 2026
| Proclad range GT30HT Other tapes | +3% | |
 | All Products & accessories | +6.8% | |
| All Products ProRox PSM971 Alu SeaRox | +5% |
Oct 2025
| All PIB products | 3% | |
 | Silicone mastics | 5% |
Aug 2025
 | All Products | 3.5% |
Jul 2025
 | All Products | 3% |
May 2025
 | Knauf Technical insulation products | 4.8% to 11.7% | |
| All products | 6% | |
| Isogenopak Sheeting 2% | 2% |
Apr 2025
 | Kingspan-Thermaduct | 7.5% | |
| All Products | 3.50% | |
| All Isover technical insulation products | 4% | |
| Foster Products Butyl Tape Temfoil SA30 (CW) Vapor Fas | 6% 5% 5% 5% |
Mar 2025
| All Nitrile Products | 5.3% | |
| Slotted Section & Product Covering | 6% | |
 | All Paroc and Icerock technical insulation products | 4% | |
| ProRox SeaRox | 4.2% | |
| All the Supaphen range | 4% | |
| All UK product ranges | 4.2% |
Feb 2025
Mineral Wool Pipe supports | 4% | ||
 | Kooltherm Range | 4% |
Jan 2025
| All Products | 4% | |
| All Isogenopak/Isogenotec Products Including Endcappings + Isogenopak Tape | 5.5% |
Aug 2024
| Foster Products Filament Tape Butyl Tape Foam & Foam Packs Temtex Glass Fibre | 5% |
Jul 2024
| All products | 5% |
Jun 2024
| HVAC - Pipe Sections HVAC - Lamella HVAC - Mat HVAC - Slab Industry - Pipe Sections Industry - Lamella Industry - Wired Mat Industry - Slab Industry - Promat | 3% 3% 4.5% 4.5% 3% 3% 4.5% 4.5% 4.5% | |
| All products | 4% | |
| Therma Range | 10% |
May 2024
| All Nitrile rubber, Accessories & PE Insulation | 4.7% |
Apr 2024
| All technical insulation products | 4.5% | |
| Rock Mineral Wool Loft Rolls All other Glass Mineral Wool Rolls and Slabs Blown Glass Mineral Wool | + 6.7% + 9.3% + 6.7% + 6.7% |
March 2024
| All technical and HVAC products | 4.8% | |
 | All Slotted Section products | 5% |
Feb 2024
| All Products | 5% | |
| Proclad Range All Adhesive Tapes | 5% 4.5% | |
| Therma Range Kooltherm Structural Range | 10% 2% | |
| Icerock Products | 11% | |
| All Isogenopak/Isogenotec products including endcappings | 3% | |
| Supaphen Pipe Insulation Supaphen Pipe Supports Supercel Alumen Duct Insulation | 5% | |
| Kooltherm Range | 5% |
Jan 2024
| Product Increase | 2% |
July 2023
| Foster Products Temfoil SA30 Foil Tapes Vapour Fas Temtex Ancillaries | 4% |
Apr 2023
| All Glass Mineral Wool Roll and Slabs Blown Glass Mineral Wool Rock Mineral Wool | 9.3% | |
| Proclad 350, Proclad Plus HD, GT30, MB30 & GTB65 ranges | 5% | |
| Slotted Section | 6% | |
| All Products | 5% | |
| All HVAC Products | 8.5% | |
| ProRox Slabs | 10% |
Feb 2023
| Idenden Tapes Insulation Hangers Idenden Coatings (ET10) Idenden Adhesive (10-450) | 15% | |
| All Isogenotec & Ancillaries All Isogenopak & Ancillaries All Endcappings | 5.5% | |
| Nitrile Rubber Accessories | 9% | |
| All Rockwool Products & Ancillaries | 8.5% | |
| Kooltherm Range Note: Cut and covered section increase cancelled | 6% | |
| All MW Phenolic Products (Includes Supercel Duct Insulation) | 6% |
Jan 2023
 | Saglan rolls | 10% | |
| Paroc All Pro Industrial Products | 7.5% | |
| Foil Tape Vapor Fas Spray Adhesive Temtex Glass Fibre Range | 6.5% | |
| TDI | 10% |
NS Insulation Products
Units 9-12, Lakeside Industrial Estate
Stanton Harcourt, Witney
Oxfordshire, OX29 5SL
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