Before you clean the house, you should wear proper protection. Soot, smoke and debris can be dangerous to inhale, so wear a respirator if there is significant soot in the damaged area. Wear long pants and sleeves to protect your skin. You should also wear gloves and eye protection. Since you will be freeing soot as you clean, it’s important to lay down floor protection and remove any furniture or household objects that are not damaged. If the damaged area is small, you can probably get away with simply covering furniture with plastic or sheets. But if you’re cleaning an entire room, it’s wise to remove those clean items and even seal off other rooms that are undamaged. Be mindful of the shoes you’re wearing so you don’t track soot stains into other rooms.