Radiant Barrier Project Calculator

Using a radiant barrier calculator helps homeowners and contractors accurately estimate the amount of radiant barrier material needed for an attic or building project. By calculating total square footage and accounting for roof layout, you can prevent overordering, reduce material waste, and ensure complete coverage for maximum heat reflection. Accurate radiant barrier calculations improve energy efficiency, reduce cooling costs, and enhance overall thermal performance in residential and commercial buildings.

New Construction

During initial construction is generally the easiest and most cost effective time to install radiant barrier.

Attic

Which of the following best describe your main utility usage or intended purpose for using Radiant Barrier?

It is recommended that you install RB over the roof joists before applying the roof decking

Roof Area (sf):

Result: sf

It is recommended that you lay RB on top of your existing attic insulation for optimal performance when heating is a concern.

Roof Area (sf):

Result: sf

It is recommended that you lay RB on top of your existing attic insulation for optimal performance

Floor Area (sf):

Result: sf

Housewrap

It is recommended that you install RB on the exterior side of the wall sheathing before installing the siding or other veneer.

Exterior Wall Area (sf):

Exterior Result:

Tape Result: rolls

or

Wall Parameter (ft):
Wall Height (ft):

Calculated Wall Area: sf

Tape Result: rolls

Retrofit

Retrofitting your current building with radiant barrier is a great way to increase the comfort and efficiency of your building lowering those utility bills.

Attic

Which of the following best describe your main utility usage or intended purpose for using Radiant Barrier?

It is recommended that you staple the RB up to the bottom side of the Roof Joists above the attic space for optimal performance in your case.
Floor Area (sf):
Roof Pitch:

Attic Area: sf

or

Roof Area (sf):

Roof Area: sf

It is recommended that you lay RB on top of your existing attic insulation for optimal performance when heating is a concern.

Attic Area (sf):

Result: sf

It is recommended that you lay RB on top of your existing attic insulation for optimal performance

Garage Area (sf):

Result: sf

These recommendations are given based on the information you have provided. Energy Efficient Solutions provides no guarantee as to the accuracy of these results.

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