Choosing the Right Commercial Roofing System - Seam Cleaning, Weathering, and Dirt

Membrane abuse can destroy the roof. Abuse ofconsider weathering, normal weathering can also
roofing membranes can cause punctures oraffect the membranes weldability.
deterioration of the roofing components which inType's of weathering contamination include any
turn may lead to premature roof failure. Furtherairborne debris and dust, clean the membrane
membrane abuse may lead to premature roofexposed for 12 hours or more by wiping the
failure due to punctures leading to unwanted leaks,seam area with Everguard Cleaner. For any
and deteriorated roof components that may failoxidation problems, remove the oxidation with the
prematurely.Everguard cleaner and a mildly abrasive scrub pad.
This most often occurs in the highest trafficFollow by wiping the surface with a white cloth
areas which can cause wears to the membrane.and Everguard cleaner. Naptha will also work
Vandalism and prone areas can cause punctures.every well as a cleaner or pre-weld preparation
Hail storms can cause several punctures in thecleaner.
membranes. High winds can cause stressDirt and debris is also a problem for the weldability
membranes and cause major damage. Rapidand seam performance. When any contamination
fluctuations in temperature and extremefrom dirt and debris occurs, wipe it off and clean
temperature can cause rapid expansion andit with formula 409 or a similar cleaner and a
contraction, stressing the membrane, and maymildly abrasive scrub pad. Wipe with a white cloth
also soften the roofing components during highmoistened with the Everguard cleaner. Finally oil,
temperatures.grease and chemicals can degrade the membrane
You can control the membrane abuse by installingand affect seam performance. Adhesives applied
a thicker membrane or by installing multiple plyin weld areas will prevent proper welding. Make
systems. Installing higher compressive strengthsure to keep any adhesives away from the seam
insulations on the roof. Using concrete pavers orareas by at least 3".
insulated pavers. Also, cover the boards over theWhen a contaminated area occurs isolate the roof
insulation to aid impact resistance.area so that the membrane can be replaced and
Many wonder if the seams' need to be cleanedwill not affect the adjacent membranes. Pressure
before welding. When deposits form on the roof'swash the roof on a more frequent schedule, install
surface, the ability to form a good weld isa sacrificial membrane layer and use grease traps
affected. Contamination of roofing materialsto contain spillage but make certain to maintain
results from normal weathering, environmentalthem on a regular basis.
debris, chemicals, and adhesives. When you