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Radiant barrier · Greater St. George

Reflect the sun’s heat before it settles in your attic.

A radiant barrier is a reflective layer installed in the attic that reflects radiant heat from the roof instead of absorbing it. In a sun-baked climate like St. George, it can be a smart addition to a well-insulated, well-ventilated attic.

Residential roof in direct desert sun
Made for hot roofsAssessed on site
Reflects radiant heatWorks differently than insulation
Pairs with insulationPart of the whole-attic approach
Local installationServing Washington County

Is a radiant barrier right for your home?

Insulation resists heat flow. A radiant barrier reflects it.

Insulation slows heat moving through materials, while a radiant barrier reflects heat radiating from the hot roof deck. They solve different parts of the problem, which is why we look at your insulation, ventilation and attic layout before recommending a radiant barrier. It supports a good attic system and does not replace insulation.

  • 01
    Your attic is extremely hot in summer

    Radiant heat from the roof deck is a major source of attic heat on sunny afternoons.

  • 02
    You already have decent insulation

    A radiant barrier is most useful when insulation levels are reasonable and heat from the roof is the remaining problem.

  • 03
    Your upstairs is hard to cool

    Reducing heat radiating down from the attic can ease the load on your cooling system.

Our approach

Right product, right place, installed cleanly.

Radiant barrier results depend on how and where it is installed, and on the rest of your attic. We confirm it makes sense before we start.

1

Assess the attic

We check roof structure, insulation, ventilation and access.

2

Plan the installation

We explain where the barrier goes and how it works with your existing attic.

3

Install and verify

We install neatly and make sure ventilation paths stay clear.

Common questions

Radiant barrier answers, without the hype.

Is a radiant barrier the same as insulation?

No. Insulation slows heat conduction. A radiant barrier reflects radiant heat. They work best together, and a radiant barrier does not replace attic insulation.

Will it lower my energy bill?

It can help reduce attic heat and the load on your cooling system, but results vary with your insulation, ventilation, roof and HVAC system. We will give you an honest assessment rather than a promised number.

Does it help in winter?

Radiant barriers are mainly a summer cooling measure in a climate like ours. Winter benefits are generally smaller.

Does it qualify for ThermWise rebates?

Radiant barriers are not listed in the current Enbridge ThermWise weatherization table. We confirm what applies to your home during your assessment.

Start with an assessment

See whether a radiant barrier fits your attic.

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