100mm Insulation

Kingspan Kooltherm K5 - Premium Performance External Wall Insulation Board - 1200 x 600mm 2 - 3 Working Days As Low As £205.27 View Options

Thermafleece NatraHemp - Hemp Insulation Slab 3 - 5 Working Days As Low As £285.35 View Options

SheepWool 100% Natural Optimal Insulation (18kg/m^3) 4 - 6 Working Days As Low As £119.89 View Options

SheepWool 100% Natural Comfort Insulation (14kg/m^3) 4 - 6 Working Days As Low As £90.70 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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