How is the U-value of the flat roofing system calculated?
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The thermal transmittance, or U-value, of the complete roof system is calculated in accordance with established international standards.
Things to consider when choosing the insulation for your roofing project
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Insulation has been a key component of the flat roofing industry for the last 50 years or so and during that time we have seen significant increases in the thicknesses required and the types of insulation that can be used; each have their own merits and benefits.