Roof Sheathing Makes Popping Sounds

The sun hits your roof and heats it up.

Roof sheathing makes popping sounds.

As the lumber expands it moves. Metal roofs are major offenders but shingled roofs also can be quite noisy. Spray foam insulate the ceiling from above 5 re install 5 8 plywood sheathing on the roof glued and ring shank nailed 6 re roof. 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.

This movement creates the popping noise. My townhouse has some of the same noises although they re much less in frequency and not nearly as loud. As the lumber expands it moves and it will rub against other pieces of wood that aren t moving at the same rate. In very rare cases the sounds are a symptom of undue stress and you will need a professional roof inspection.

Your old roof is popping and crackling because of the way they were attached together. It starts where the ceiling line was converted. Roof noises may be described as those attributed to an obvious source. This movement creates the popping noise.

There should be a space between them maybe only 1 8 or so. As for the popping noise in the morning and evening that s a different mechanism. It s thermal expansion and contraction. As it dries it can shift and contract triggering bangs loud enough to make you think a tree fell on the roof.

I m looking for thoughts advice etc. Those noises should decrease during the home s first year or so. Who ever did the job no doubt attached the catherdral truss to the standard truss. If you ve recently had a porch or room addition it s natural for the roof to make sounds as it adjusts.

Water heater noise diagnosis cure including clicking crackling knocking snapping popping rumbling sounds roofs may make snapping popping noises due to thermal movement of metal roof covering roof trusses roof framing roof sheathing. The patter or even the roar of falling rain or hail popping and cracking noises perhaps due to thermal expansion and contraction of roof coverings metal roofing or roof structure and transmitted noises from other external sources such as low flying aircraft or nearby trains or auto truck traffic from a nearby highway. It s thermal expansion and contraction. As the lumber expands it moves and it will rub against other pieces of wood that aren t moving at the same rate.

The cracking and popping could also be from the joists or beams as they contract and expand. As for the popping noise in the morning and evening that s a different mechanism.