Ardex - GS-4 Self-Leveling Repair Underlayment for Worn Gypsum and Wood Subfloors, Gray - 50 lb ||12405

2026-01-21T06:13:52-05:00

Vendor: Ardex
Type: Self-leveling underlayment
Price: 90.82

Ardex GS-4 Self Leveling Repair

Self-Leveling Repair Underlayment for Distressed Gypsum and Wood Subfloors

Blend of high strength gypsum and Portland cements

Pour with the Rover® or pump with the AMP®

Interior use

Use above grade

Mixes with water

Installation

General priming recommendations:

Gypsum, wood: ARDEX P 51TM Primer

Packaging: 50 lb. (22.7 kg)

Coverage: 22 sq. ft. per bag at 1/4” (2 m2 at 6 mm)

Thickness:

Levels at 1/4” (6 mm),

Installs from 1/8” (3 mm) up to 2” (5 cm) neat

Up to 5” (13 cm) with aggregate

Can be tapered to 1/16” (1.5 mm)

Flow time: 10 minutes

Walkable: 3 hours

Install floor coverings: 3 days