Roof insulation boards

What's the best type of roof insulation boards to use? Is thicker always better?

Asked by Pete on 16th Sep 2022
Expert Trade Answers
"Many types of insulation boards all can do the job but we as a roofing company prefer sky tech roof insulation gives a realy good warm roof and easy to install as a over rafter fixing"
Answered on 16th Sep 2022 - Member since Aug 2022 - report
"The best boards to use will be 38mm osb boards then put breathable felf on so it is proper water right"
Answered on 21st Jan 2024 - Member since Dec 2023 - report
"It all depends on what u value you have to achieve?"
Answered on 16th Sep 2022 - Member since Aug 2022 - report
"Hi Firm boards of either synthetic my question is the best"
Answered on 17th Sep 2022 - Member since Jan 2022 - report
"I always recommend to use thicker insulation, at least 150mm
Also on the dormers additional I’m fitting silver foil from Toolstation or Screwfix"
Answered on 1st Jun 2024 - Member since Oct 2021 - report
"We use a osb board 18mm is best depending on the materials used for the roof"
Answered on 31st Jan 2024 - Member since Aug 2023 - report
"The thicker the insulation, the better it works to reduce heat flow from the inside of a home to the outside during winter, and from outside to inside during summer."
Answered on 28th Nov 2022 - Member since Nov 2022 - report
"Yes I would use thick boards for better results no"
Answered on 17th Sep 2022 - Member since Jun 2022 - report
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