No, you can’t completely fireproof a house. There is always a chance that a fire can break out inside or outside your home. Even if most of the home is built with fireproof materials, a long-burning fire can still cause damage. Still, fireproofing efforts can buy you additional time to evacuate and give you a better chance of salvaging your home after a fire rather than needing to rebuild entirely.

No, it is not safe to use an outlet that sparked. A spark from an outlet could indicate a short circuit, loose or frayed wiring, or other serious damage. Continuing to use an outlet that sparks can increase the risk of electrical shock, electrical fires, and other hazards. It's important to turn off the power to the outlet at the circuit breaker if possible and avoid using the outlet until a licensed electrician has inspected and repaired it.

Whether or not your attic ladder needs to be fire-rated depends on your local building codes, so it’s best to check with your municipal office. However, if your ceiling meets a fire requirement, your attic ladder should as well. There are benefits of opting for a fire-rated ladder. For one, thanks to their fire-resistant material, they'll help protect your home from fire spreading from your attic, if one should break out.

There aren’t many problems with fire doors except that they slow down or cut off ventilation at the higher rating levels. For this reason, work with a professional to ensure you have adequate ventilation throughout your house or workspace. The sealing around a fire door is meant to allow for a specific amount of ventilation and will need regular inspections to ensure adequate airflow.