TRI-BUILT® Synthetic 25 is a synthetic roof-deck protection designed and manufactured to replace asphalt saturated 15# felt in sloped roof system construction.

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Main Points 1

• Best substitute for 15# organic felt
• Use under asphalt shingles, stone coated metal shingles, synthetic slate,
wood shakes, sloped standing seam metal roofing
• 7 Mils thick
• 3 Month UV exposure
• Rolls out flat and does not wrinkle
• 33% More coverage per pass across the roof (vs. 36” Wide rolls)
• Great walkability due to anti-slip engineered back
• Designed to perform in virtually all steep slope roof covering systems and
in extreme weather conditions
• Water resistive coating which doesn’t absorb water, won’t rot and is inert to
mold growth
• Florida Building Code approved FL21553
• 25 Year Warranty


Synthetic Underlayment