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Treadstone® FR30P Pre-Pour
Treadstone FR30P is a fire-rated gypsum pre-pour underlayment designed for interior applications between walls and below fixtures like tubs and showers. It provides leak protection, fast curing, sound attenuation, and is UL listed in over 110 designs for multi-family and commercial construction projects.
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Summary
Treadstone FR30P is a fire-rated gypsum pre-pour underlayment designed for interior applications between walls and below fixtures like tubs and showers. It provides leak protection, fast curing, sound attenuation, and is UL listed in over 110 designs for multi-family and commercial construction projects.
Tags
gypsum-underlayment · fire-rated · pre-pour · floor-underlayment · construction-material · sound-attenuation
Key entities
Treadstone FR30P (technology, 0.99) · Formulated Materials (organization, 0.85) · HydroPhase APS Advanced Primer & Sealer (technology, 0.9) · Treadstone TP1 Primer & Sealer (technology, 0.9) · gypsum-underlayment (concept, 0.95) · fire-rated-construction (concept, 0.92)
Classification
reference · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/be@0.1.0, confidence 0.85, 21 Jun 2026