Long term effects of ponding water on a flat roof if your commercial building has a flat roof sometimes there is a problem with ponding water.
Water problem where roof is corner.
Often wind driven rain comes in from above the roof especially around windows between corner boards and siding and through cracks and knotholes in siding.
In an effort to extent the life of our tile roof we hired a highly recommended local roofer to install drip edges on the north side edges of our roof and wa.
This is most prominent in j channels that run horizontally such as trim running along a window frame.
There could be damages already happening behind walls and underneath the roof and floor.
There can be other sources of water seepage from your roof other than a leak.
It can seep and find its way behind walls and even underneath the concrete slab of your garage.
Water may be entering at the roof seam and traveling along until it has the opportunity to come through the paneling and run down the back wall.
For water stains coming from your roof you ll need to identify the nature of the disrepair.
Sometimes the water shows up at a ceiling spot distant from the leak.
Caulk can be old cracked or even missing between the corner boards and between window edges and siding.
Water being in liquid form can easily travel around your house.
This means that it can really affect the structural integrity of your home.
Dormer walls provide lots of spots where water can dribble down and enter the roof.
Possible sources of the leak because water is pooling up on the floor at the rear corners of the unit doesn t always mean the moisture is coming in through the vertical corner seams.
If the water stain occurs after a period of snow for example this can indicate the formation of an ice dam which requires upgrading your insulation not your roofing.
This is because the flat roof can hinder drainage from rainwater which results in standing water on the roof.
Measure and mark the center of the drip edge with a tape measure mark a line across the center with a straightedge.
Also make sure the gutters are clean and flowing properly.
Some roof leaks are tough to locate.
This is especially prevalent after a lot of rainstorms.
Cut it in half with a pair of tin snips.
Water runs down the siding and can collect in the j channel.
Vitaliy halenov getty images check your neighbor s runoff.
If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic.
5 mount the ladder and carry the drip.
