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100mm Insulation

100mm Insulation

Superglass Superwall 36 - Glass Mineral Wool Cavity Wall Batt 2 - 5 Working Days As Low As £26.30 View Options

Thermafleece CosyWool - Sheep's Wool Insulation Roll 3 - 5 Working Days As Low As £95.21 View Options

Thermafleece SupaSoft - Recycled Plastic Insulation Roll 3 - 5 Working Days As Low As £49.98 View Options

Rockwool RWA45 - Mineral Wool Acoustic Insulation Slab 2 - 5 Working Days As Low As £36.70 View Options

Kingspan Kooltherm K110 - Premium Performance Soffit Insulation Board - 1200 x 2400mm 2 - 3 Working Days As Low As £356.88 View Options

Kingspan Kooltherm K7 - Premium Performance Pitched Roof Insulation Board - 1200 x 2400mm 2 - 3 Working Days As Low As £240.64 View Options

Rockwool Flexi - Mineral Wool Acoustic Insulation Slab 2 - 5 Working Days As Low As £46.70 View Options

Celotex GA4000 PIR Insulation Board 2 - 5 Working Days As Low As £68.90 View Options

Knauf Earthwool Loft Roll 44 - Glass Mineral Wool Loft Insulation Roll 2 - 5 Working Days As Low As £42.16 View Options

Knauf Earthwool - Acoustic Glass Mineral Wool Insulation Roll 2 - 5 Working Days As Low As £65.54 View Options

Knauf Earthwool DriTherm 37 - Glass Mineral Wool Cavity Wall Insulation Slab 2 - 5 Working Days As Low As £27.05 View Options

Knauf Earthwool DriTherm 32 - Glass Mineral Wool Cavity Wall Insulation Slab 2 - 5 Working Days As Low As £42.02 View Options

Superglass Superwall 32 - Glass Mineral Wool Cavity Wall Batt 2 - 5 Working Days As Low As £44.04 View Options

Jablite EPS 70 - Polystyrene Floor Insulation Slab 2 - 5 Working Days As Low As £120.86 View Options

Recticel Eurothane PL - PIR Insulated Plasterboard 2 - 5 Working Days As Low As £102.26 View Options

Recticel Eurowall - PIR Cavity Wall Insulation Board 2 - 5 Working Days As Low As £129.38 View Options

Isover CWS 36 - Glass Mineral Wool Cavity Wall Insulation Slab 2 - 5 Working Days As Low As £55.44 View Options

Isover CWS 32 - Glass Mineral Wool Cavity Wall insulation Slab 2 - 5 Working Days As Low As £79.44 View Options

Isover Spacesaver - Glass Mineral Wool Loft Insulation Roll 2 - 5 Working Days As Low As £49.92 View Options

Kingspan Thermapitch TP10 - High Performance PIR Insulation Board for Pitched Roofs 2 - 5 Working Days As Low As £219.74 View Options

Kingspan Thermawall TW50 - High Performance PIR Insulation Board for Walls 2 - 5 Working Days As Low As £91.34 View Options

Kingspan Thermawall TW55 - High Performance PIR Insulation Board for Walls 2 - 5 Working Days As Low As £255.38 View Options

Kingspan Kooltherm K103 - Premium Performance Floor Insulation Board - 1200 x 2400mm 2 - 3 Working Days As Low As £347.64 View Options

Kingspan Kooltherm K107 - Premium Performance Pitched Roof Insulation Board - 1200 x 2400mm 2 - 3 Working Days As Low As £347.56 View Options

Improve the thermal efficiency of your home with 100mm insulation for loft spaces, cavity walls, floors and other areas of your property. 100mm insulation boards are highly versatile, and can be used in both residential and commercial buildings to provide highly effective insulation.

We stock 100mm insulation from industry leading brands such as Celotex, Kingspan, and Rockwool. These manufacturers pride themselves on the high performance of their products, which provide superb acoustic and thermal insulation.

Our 100mm insulation is available in the form of insulation boards, rolls and slabs; all made from scientifically-tested materials to offer an unrivalled combination of thermal insulation, fire safety and damp protection.

Have Questions About Our 100mm Insulation?

Whatever your question, our award-winning customer service team is here to help. Simply use the online chat feature on our website or call our team on 01295 565 565 to have your questions answered. With over 40 years’ experience in DIY and roofing, they’ll be able to recommend the perfect 100mm insulation for your needs.

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