A little clarity.
A more comfortable home.
Get a ballpark installed-price range for an attic top-off. No name, phone number, or email required. Final scope and price follow an attic assessment.
Don’t know the depth? That’s okay.
Choose “not sure” for a wider planning range. If the insulation is visible from a safely accessible attic opening, you can use an existing depth marker or a photo. You do not need to enter the attic for this calculator.
Insulation type, uneven coverage, compression, and access all affect the final scope. This tool plans a standard fiberglass top-off toward ThermalPro’s usual R-38 project target, subject to assessment.
Room in the budget.
Comfort in the home.
Enter your attic details to see a planning range for supply and installation of a standard top-off.
- Budget estimate only; not a binding quote.
- Assumes suitable existing insulation and standard access.
- Removal, contamination work, repairs, air sealing, and unusual access are excluded.
- Final price and any applicable charges are confirmed in your written estimate.
We’ll help you sort it out.
Wet insulation, roof leaks, and animal activity need a closer look before we recommend adding material.