Professional Grade

GoMix S4 Exterior
Latex Primer & Sealer

100% Acrylic Water-Based Primer for Exterior Masonry. Odorless, solvent-free formula with excellent alkali resistance.

Odorless & Solvent-Free Alkali Resistant Quick-Drying Low VOC
GoMix S4 Exterior Latex Primer Sealer Application on Masonry
Coverage

350-400

sq. ft./gallon

Superior Performance Features

Engineered for demanding exterior applications with advanced acrylic technology

100% Acrylic Formula

Superior penetration & adhesion vs traditional water-based primers

Odorless & Solvent-Free

Safe for closed/poorly ventilated environments

Excellent Alkali Resistance

Prevents efflorescence & consolidates surface powder

Quick-Drying & Low VOC

Touch-dry in 1 hour, eco-friendly (45g/L VOC)

Product Overview

S4 Exterior Latex Primer & Sealer is a micronized acrylic-based waterborne primer-sealer, designed for exterior masonry surfaces including brickwork, plaster, cement, and asbestos. It acts as a substrate sealer, absorption regulator & adhesion catalyst, ensuring long-lasting protection for new or previously painted surfaces.

Detailed Features

Special acrylic emulsion for strong alkali resistance

Minimizes efflorescence formation & seals substrates effectively

Enhances weather resistance of topcoats

Suitable for interior/exterior use, new & repainted surfaces

Easy application (brush, roller, airless spray)

Recommended For

Exterior masonry: brickwork, plaster, cement, asbestos
New or previously painted surfaces
Concrete walls & cement mortar repairs
As a base coat before emulsion paint finishing

Technical Specifications

Detailed technical data for professional applications

Property Specification
Vehicle Type 100% Acrylic Latex
Volume Solids 30.8%
Coverage 350-400 sq. ft./gallon (33-37 m²/gallon)
Dry Time (Touch) 1 hour at 25°C (77°F)
Film Thickness 25-35 microns (dry)
VOC Content 45g/L (Low VOC)
Application Temperature 10-32°C (50-90°F)
Storage Temperature 5-35°C (41-95°F)

Application & Surface Preparation

Surface Preparation

Ensure surfaces are clean, dry, and free from dust, grease, and loose particles. Remove any chalking or peeling paint.

Application Method

Apply by brush, roller, or airless spray. No thinning required for most applications.

Application Conditions

Air & surface temperature: 10-32°C (50-90°F). Avoid application in direct sunlight or windy conditions.

Coverage Rate

350-400 sq. ft./gallon (33-37 m²/gallon) depending on surface porosity.

Clean Up & Storage

Clean Up

Clean tools and equipment with soap and warm water immediately after use.

Storage

Store in original containers at 5-35°C (41-95°F). Protect from freezing. Keep containers tightly closed.

Disposal

Dispose of unused product and containers according to local environmental regulations.

⚠️ Warning: If scraping or sanding surfaces with lead paint, follow EPA guidelines for lead-safe work practices.

Go Further, Mix Better

Trusted by professionals worldwide since 2010

Professional Grade

20,000 m² manufacturing facility with advanced production equipment

Global Reach

Exported to 100+ countries with SGS, ISO9001 certifications

Technical Support

Expert consultation and custom solutions for your projects

GoMix Co., Limited

Hong Kong Office | Guangzhou Manufacturing Base

Get Your Custom Quote for GoMix S4 Primer & Sealer

Professional consultation and competitive pricing for your project needs

We will reply to your inquiry within 24 working hours.
For technical support: hkgomix@gmail.com | +86 20 6106 9818