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Installing Reach Barrier Silvertanium Radiant Heat Blocking Material

Living in Florida means keeping cool indoors. If you have a new AC unit, but you still have difficulty getting the temperatures lower, radiant barrier insulation can help. Installing Reach Barrier Silvertanium radiant heat blocking material helped us reduce the amount of heat entering the attic space in a large residential home. It’s made in the USA, and we love the durability of the product. For this application, the Reach Barrier 3023 Silvertanium radiant barrier made the most sense.


The Problem of Radiant Heat

The problem of radiant heat is a big one in the South. All of our AC ductwork lives in the attic. It gets subject to 140-degree (or higher) heat during the hot summer months. If that seems counter-productive, you’re spot-on. Heating up the very ductwork that carries cool air throughout your home makes no sense.

Radiant barrier blocks a large majority of the heat radiated by your roof and studs—directing it out of the attic. It does that by preventing up to 95% or more of the radiant UV heat from penetrating the barrier material. When combined with proper ventilation, the heat gets funneled back out and through your ridge or other vents instead of working its way into your attic and through your blow-in or rolled insulation.

Reach Barrier 3023 Silvertanium Radiant Barrier

Reach Barrier 3023 Silvertanium reflective insulation works perfectly for attics. It provides a radiant barrier with a non-laminated reflective insulation product. Where multiple-layer laminated products might delaminate and fall apart with time, Silvertanium holds together. It also resists oxidization or degradation from the elements over time.

Installing Reach Barrier in the Attic

Before you do anything, calculate the amount of insulation you need in your attic space. Multiply the square footage of your attic by 1.7. That gives you the proper amount including overlaps.

cutting Reach barrier

Cut to Length

Installing Reach Barrier in the attic involves rolling out lengths of 48-inch tall sheets of radiant barrier across the roof trusses. Since the 1000 sq-ft rolls are quite heavy, we recommend cutting them to length before you get into the attic space. You can cut them easily with a razor utility knife. We used an OLFA X-Series utility knife, but anything will suffice.

cutting Reach barrier CU

Start 4-6 inches from the floor of the attic and work your way up. You staple the Reach Barrier to the attic roof joists or rafters.

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