Roof pitch, attic height and how much of the attic can be reached affect how the barrier is installed.
If your ductwork runs through the attic, mention it. That is where a radiant barrier tends to help most.
Access, ventilation and the condition of the roof deck are checked.
The foil is fastened to the rafters across the agreed area, keeping vents clear.
You get photos of the finished coverage.
No. Insulation slows heat moving through materials; a radiant barrier reflects radiant heat. They work together.
Radiant barriers are most useful in hot, sunny climates, particularly when ducts are in the attic.
No. It is installed with clearances so soffit and ridge vents keep working.
Yes. It is commonly retrofitted under the rafters of an existing roof.
