Preparing Your Attic for Insulation

When you’re ready to insulate your attic, it helps to remove any items stored there. That gives the contractor room to work and reduces the risk that objects will get blown out of the attic or into wall cavities. It also ensures that the blown-in insulation has an unobstructed path to provide effective thermal barrier coverage.

Metal building insulation ng the attic clean out, it’s also important to identify what type of insulation is currently in place and its R-value (the thermal resistance rating). You’ll also want to look for gaps or settling that will need to be addressed to make sure you have a complete attic insulation barrier.

Common Mistakes When Fixing Uneven Attic Insulation Coverage

You’ll then need to take your existing R-value and subtract it from the recommended R value of your area in the Specifications Manual to determine how much more insulation you need to achieve a minimum of R-38. Then, use that figure to calculate how many bags of blown-in insulation you need to purchase at the hardware store. It’s always better to err on the side of overestimating how much you’ll need so that you have plenty of material to reach your target R-value.

Common Mistakes When Fixing Uneven Attic Insulation Coverage

Finally, you’ll need to ensure that any electrical wiring in the attic is up to code. If you’re insulating an attic that has knob and tube wiring, contact an electrician to bring the wiring up to date and eliminate any safety hazards. It’s also a good idea to remove any light fixtures from the attic before insulation is installed so that they don’t interfere with air flow and heat distribution in the house.

Noble Insulation Inc
1201 Pennsylvania Ave Unit D, Richmond, CA 94801
650-686-2965