Will More Attic Insulation Help With Cooling

Roofing materials often absorb the sun especially metal sheeting or asphalt shingles.
Will more attic insulation help with cooling. Ok so attic insulation is good during the winter. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home. But insulation is also there to keep you comfortable in summer. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic.
This is why most people think they have insulation in their attics. Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace. I live in the desert of southern california so it can get pretty hot in the summer 110 f is not uncommon. Both can be added to uninsulated attics or layered over existing material.
You re more comfortable and you can afford to pay your heating bill. As warm air rises it hits the insulation and stays put. How can i determine if i need more attic insulation to keep cool in summer. Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
Loose fill or batt the common term for blanket insulation.