Metal Roof Expansion Noise

Popping in the morning and evening is thermal expansion.

Metal roof expansion noise. My dwelling has cathedral ceilings and we have a problem with thermal expansion contraction causing a banging noise after sunrise and at sunset. Roof popping in the wind is flexing the rafters or trusses. The most popular kinds of materials utilized for a roof underlayment are mats that are made from nylon filaments and also foam insulating panels. Residential structural engineer is the pro to get for a consult.

Roof noises may be described as those attributed to an obvious source. Attaching an underlayment between the roofing sheathing system and the metal roof is an essential step regarding decreasing the noise that would otherwise come from the metal roof. In rare cases in one particular roof assembly with standing seam panels the expansion contraction sounds can become louder inside a building. It is possible that the roof popping noise is due to your metal roof pushing against the exposed fasteners.

Diagonal braces almost always stop the noise. Quick tips for a quiet roof. This flexing is what s causing the popping noise. As for the popping noise in the morning and evening that s.

In addition its design does not allow metal roof thermal expansion. 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. This is a step that must be taken during the installation process. Approximately 61 decibels according to their tests the difference between shingles and a metal roof is between 6 and 15 decibels depending on how the metal roof is installed.

The entire roof system if not solidly braced can and will flex to absorb this force. If your roof is installed without a proper roof underlayment you will experience the kind of noise that causes people to think buying a metal roof is a bad idea. Tim carter roof popping noise tips. The sounds are typically only audible if you re on or near the roof or if the underside of the metal decking is exposed to finished interior space.

This can lead to serious material damage. Metal over open framing. Click here to get tim s free funny newsletter.