Roof Poding Deflection Check

Shame on a home inspector who is too busy or too something else to not respond to an inquiry from a past client.

Roof poding deflection check.

Ponding is the typically unwanted pooling of water typically on a flat roof or roadway. It s like going to the doctor for an annual check up. If that same joist had gypsum ceiling l 240 the allowable deflection is 0 6. In order to stay intact and in place a roof must be able to resist loads both permanent and temporary that are pushing.

This is intended to be an editorial clean up and not change any current requirements for deflection criteria. Note it gives the allowable deflection based on a fractional span quantity so a larger denominator will yield less deflection. The shingles or sheathing on the homes roof is lifting deflecting causing ripples in the roof. This was noticed for the first time a couple of months after the singles were installed.

Ponding water accelerates the deterioration of many materials including seam adhesives in single ply roof systems steel equipment supports and particularly roofing asphalt. Roofs are under a lot of pressure. We moved into the house march 2013. The current combined row for floors and ceilings with plaster and stucco.

You may catch potential problems early and potentially prevent them from becoming more serious. Deflection in roof first of all. Load limits on the roof of a building. For example the allowable deflection of a 12ft span floor joist with plaster l 360 is 0 4 12ft divided by 360.

The builder was made aware of this issue and had the roofer who framed the house and installed. Secondly if the truss is mis aligned it must be out at the backside as well or maybe some weird adjustments were made. It pales in comparison to the cost and inconvenience of ignoring the impact of what your roof has endured over the years. My tennessee home was started in may 2012 and the roof was put on in late june.

See the table below.