What Affects the Scope
Dry material suitable to remain may support an addition. Wet or contaminated areas, unsafe conditions and unresolved repairs need separate attention. The proposal should explain what stays, what is removed and how air leakage and ventilation questions will be handled.
What to share
- Current material if known
- Safe photos
- Moisture or pest history
- Roof leaks
- Attic access
- Other planned work
Can new insulation go over old insulation?
Sometimes. Existing material must be dry, suitable to remain, and compatible with the proposed
assembly. Moisture, contamination, unsafe conditions, or needed repairs may require removal first.
Share the attic or cavity condition, current material, access, and known moisture history.