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HydroPhase® APS Advanced Primer & Sealer
Hydrophase APS is a low VOC acrylic primer and sealer underlayment formulated to improve substrate bonding and durability of fire-rated floor underlayments and levelers. It provides moisture and abrasion resistance, increases surface hardness, and is approved for use with Treadstone and HydroPhase products across residential, commercial, and multi-family construction applications.
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Summary
Hydrophase APS is a low VOC acrylic primer and sealer underlayment formulated to improve substrate bonding and durability of fire-rated floor underlayments and levelers. It provides moisture and abrasion resistance, increases surface hardness, and is approved for use with Treadstone and HydroPhase products across residential, commercial, and multi-family construction applications.
Tags
hydrophase-aps · primer-sealer · gypsum-underlayment · low-voc · substrate-bonding · concrete-primer · floor-preparation
Key entities
HydroPhase APS (technology, 0.99) · Treadstone (technology, 0.95) · Formulated Materials (organization, 0.92) · low-VOC acrylic primer (concept, 0.9) · substrate bonding (concept, 0.88) · gypsum floor underlayment (concept, 0.87)
Classification
reference · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/be@0.1.0, confidence 0.85, 21 Jun 2026