Prevent
Leaks
Thru-Wall Flashing Support System (TWFSS) is:
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an added defense against building leaks
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installed prior to and under flexible flashing membranes
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a product to provide support to flashings and prevent membrane sag
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an ideal surface to install flashings and seal membrane seams
Building Owner Benefits
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initial investment translates to lasting savings
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supports the elimination of nuisance leaks
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eliminate ongoing repair and/or replacement of interior finishes
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mitigate environmental concerns and remediation such as mold
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functional, safe and comfortable environment
Easy Installation
Thru-Wall Flashing Support System (TWFSS):
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is comprised of only two standard PVC parts
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is easily modified on site
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accommodates the majority of building details
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is installed in easy steps
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versatile use in both new and retrofit construction
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is packaged with ease of portability in mind
About Us

Thru-Wall Solutions started in business to assist building owners' resolve nuisance leaks in buildings at elevated thru-wall membrane flashing details. The majority of buildings; schools, colleges, universities, hospitals, long term care, retirement and high rise residential will leak at this detail, typically where an exterior wall meets a lower roof intersection. After years of arduous alternate support methods; wood, metal and rigid insulation, Thru-Wall Solutions Inc has developed the Thru Wall Flashing Support System (TWFSS).