Attics Joists Creak And Pop
Think of it like this.
Attics joists creak and pop. Popping is a common way to describe a variety of noises that a house makes and the causes are varied. In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together side by side. Metal roofs are major offenders but shingled roofs also can be quite noisy. If your house is giving you the creeps because of popping noises from inside the walls and up in the attic you can probably chalk it up to something other than spirits from beyond the grave.
If your attic already has insulation it is probably useless for your intended attic remodel. All attics joists can carry a minimal dead load weight i e 10 pounds per square foot. It can ofter sound as. At night attic can sometime make loud creaking and cracking sounds.
Blocking solves the problem. But live loads are a different matter. Further the carpenter may need to add nails or reset them shim shore add joists or rafters rebrace etc any or all of these methods might indeed pull it off and get rid of the unwanted noise. Brendan foster from louisville roofing contractors is explaining why some attics creak and crack at night.
If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists. Not so with stacked joists. When a load is applied to a joist it creates a tension in the wood along the top edge. Joists carry the weight of the walls furniture and people on them.
Even a little drill in the wrong place can cause the structure to weaken resulting in annoying bounce and sag you experience every time while crossing the weakened floor. Stacking joists is not nearly as stable as sistering which braces the joists against twisting. Sistering is the process of adding a new joist next to each existing joist. In older home attics unsettling bangs are more likely to be the sounds of trusses joists rafters and sheathing expanding or contracting as the roof heats up or cools down.