Different Types Of Roof Insulation

When shopping for insulation materials for your building, it is effortless to get confused and frustrated because you have many options to pick from and are unsure about which would suit your needs best.

In this article, we will be sharing the various types of insulation products available today, the materials they are made from, and their pros and cons.

Glasswool Insulation

This insulation product is a common thermal roof insulation material that has been in use for many decades. There have also been bouts of improvement in the manufacturing processes in terms of the durability and the itchiness of the material. 


  • Affordable
  • Noninflammable
  • A byproduct of recycled glass material
  • Easy installation
  • Itch-free


Protective gear would be needed during the installation

The compression of fiberglass materials reduces its effectiveness.

Rockwool Insulation

Rockwool insulation is non-combustible as a result of its minimal organic properties. This product is made from natural basalt rock and chalk. One of its best features is its ability to withstand temperatures up to 1000 degrees. It is mostly used as a firestop and also be used as roof insulation.


  • Fire resistant
  • Moisture resistant
  • Excellent soundproofing capabilities.


  • Irritation to the skin during installation
  • Protective gear has to be worn during the installation of this material
  • More expensive than other insulation materials

Polyester Insulation

This insulation isn’t made from natural sources but recycled plastic, such as bottles. It is known to be strong and durable and does not get worn fast.


  • Environmentally friendly
  • Non-toxic
  • Very durable


  • More expensive
  • Will melt when exposed to fire

Cellulose Insulation

This insulation product is made from up to 85% recycled paper and is treated heavily with chemicals like borax and boric acid. Cellulose insulation can be installed at any time, whether during construction or after. Because this material is treated with boric acid, it increases its resistance to fire and insects and reduces mold growth.


  • Eco-friendly
  • Cheaper than fiberglass insulation
  • Itches less than other fiberglass material


  • The cost of installation is more expensive as it requires machine hire
  • It absorbs moisture faster than other insulation materials

Insulation has become pivotal to the successful performance of the roof. Wise insulation choices result in high-functioning roof systems that will last long, while poor insulation choices can damage roof performance. Ensure you do some research of your own and consult with a professional roofer before making a choice

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