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Xtratherm Insulation

Xtratherm Insulation is made for builders and contractors, but it can be used in your home too! If you're looking to insulate your home, Xtratherm covers all of your needs whether it's the floor, attic or walls. It features an advanced technology which allows you to get more U-value per mm. This means less material can provide you with better insulating power than traditional fiberglass or cellulose insulation. Xtratherm provides thermal efficiency that is second-to-none and comes in different thicknesses depending on what kind of installation you need.

Insulation is a necessary evil. It can be expensive and it's not very exciting to buy or install, but you have to do it if you want your home to stay warm in the winter and cool during summer. We all know that insulation is important, but most of us don't really care about the details as long as we spend less on heating/cooling bills every month. 

Xtratherm insulation products are some of the best ones out there because they combine high performance with low environmental impact. Xtratherm wanted to develop an environmentally friendly product that could compete with traditional fiberglass insulation without sacrificing quality or efficiency.

Partial Fill Cavity Wall

Xtratherm Partial Fill Cavity Wall is an advanced insulation product that fills the cavity of traditional cavity wall construction, maintaining a residual cavity. It has very good compressive strength and is slightly flexible to help it conform to irregularities in the wall structure.

Underfloor Insulation

Xtratherm Underfloor is suitable for ground supported & suspended floors. Thin-R Underfloor is a lightweight, easy to install, and high compressive strength with low thermal conductivity combination that provides superior floor insulation.

Thermal Liners

Thin-R Thermal Liner Dot & Dab is a composite insulated panel of Xtratherm PIR insulation core with a composite kraft facing bonded to 12.5mm tapered edge plasterboard for internal applications, fixed with proprietary adhesive bonding.

Frequently Asked Questions

Where is Xtratherm Made?

Xtratherm is a thermal insulation company with manufacturing facilities in Ireland and the United Kingdom. It provides the construction sector with a variety of cutting-edge complete solutions, including roofs, walls, and floors.

What thickness Xtratherm do I need?

Thickness is measured in millimetres (mm) and the higher the number, the thicker your insulation will be. The thicker the insulation, the better it is at keeping you warm in winter, and cool in summer. In general, the thicker the insulation, the higher its U-value.


Xtratherm insulation products are some of the best on the market and it's not just because they're environmentally friendly. They combine high performance with low environmental impact, which means you can get more U-value per mm without sacrificing quality or efficiency. If you want to find out how Xtratherm insulation could work for your building project, contact us today! Our team of experts will be happy to answer any questions and help you determine if this is a good fit for your needs.