---
title: "HydroPhase® P150 SL"
url: https://stacklist.com/card/f7d192c1-14f7-42e2-8efe-0f876350cec8
source_url: "https://formulatedmaterials.com/product/hydrophase-p150-sl/"
stack: https://stacklist.com/c/business/stack/dc19adfb-6e38-4690-b0ec-f632bd0ba4b0
summary: "HydroPhase P150 SL is an advanced pre-sanded leveling cement with proprietary phased hydration technology designed for superior surface smoothness and zero shrinkage in flooring applications. It is approved for use over most structurally sound substrates in residential, commercial, and institutional settings with compressive strength exceeding 5000 psi at 28 days."
tags: "hydraulic-cement, leveling-underlayment, vinyl-flooring, zero-shrinkage, hydrophase, construction-materials, concrete"
key_entities: "HydroPhase P150 SL (technology), phased hydration hydraulic cement (technology), zero shrinkage (concept), Treadstone SiteMix (technology), vinyl floor underlayment (concept), leveling cement (concept)"
classification: "reference"
content_hash: "sha256:2911beb3865e76caab736878f02288748758b77708821ff5cd9e8fc0b7d529fa"
acp_version: "0.2"
token_counts_approximate: 511
visibility: public
agent_accessible: true
status: "final"
---

# HydroPhase® P150 SL

Skip to content SKU: 10401 Type: HydroPhase® Tags: hydraulic cement underlayment , leveling concrete , leveling underlayment , pre-mixed , underlayment for vinyl flooring HydroPhase® P150 SL Pre-sanded Leveling Cement HydroPhase™ P150 SL – Proprietary phased hydration hydraulic cement technology developed to provide superior surface smoothness for the most durable, robust leveling systems on the market. Description Recommended Usage Packaging Data Sheets Description HydroPhase® P150 SL leveling underlayment’s zero shrinkage means no mechanical surface prep, allowing you to simply clean, prime, and pour. P150 SL is mixed and applied using manufacturer-approved, locally sourced sand, lowering costs while delivering superior performance. Based on a unique cement composition, HydroPhase® delivers a repeatable worry-free performance in a variety of construction settings. The leveling characteristic of Hydrophase® makes it the perfect choice for your vinyl floor underlayment. Approved for use over most structurally sound substrates Approved for use in most residential, commercial, and institutional applications Most applications require no surface prep Pour 1/8-1 1/2” in a single lift Compressive Strength ASTM C109M: 24 hour compressive > 2000 psi 7 day compressive > 4000 psi 28 day compressive > 5000 psi Recommended Usage Approved for use over fully cured or existing concrete, wood, or other clean structurally sound properly primed substrates meeting L/360 deflection criteria. Recommended and approved for use over most properly primed substrates including: Institutional High rise residential Commercial Office Space Renovation of old structurally sound wood frame or concrete structure Retail Single-family homes Multifamily renovations 60 psi EPS board (contact HydroPhase® for install bulletin) Packaging Available in 50 lb Bags and 2960lb Super Sacks Data Sheets Technical Data Sheet Safety Data Sheet Related products Hydrophase® C150 SL Treadstone® Sitemix Treadstone® SiteMix Ultra