PERMA-CRETE® Interior/Exterior Alkali Resistant Primer – Ready Mix
PERMA-CRETE® Interior/Exterior Alkali Resistant Primer is specifically designed for interior and exterior, above ground, wood, plaster, wallboard, and masonry surfaces.

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KNOW THE
PROJECT.
PLAN THE
DETAILS.
PERMA-CRETE® Interior/Exterior Alkali Resistant Primer is specifically designed for interior and exterior, above ground, wood, plaster, wallboard, and masonry surfaces.
Start with the surface, the existing finish and the way the space or equipment is used. Our team can help you work through product choices and the requirements for your project.
Get into the details
The project.
Identify the material, its condition and the work you’re planning.
The system.
Confirm product suitability, preparation and compatibility with our team.
The conditions.
Check the current manufacturer instructions for application, installation or maintenance requirements.
THE DETAILS.
ALL HERE.
Keep the technical information close.
Use the current manufacturer documents when planning the work.
| Sizes | Gallon, 5 Gallon |
|---|---|
| Sheens | Flat |
KNOW BEFORE
YOU START.
Technical information.
Safety information.
Ready when you need it.
PERMA-CRETE® Interior/Exterior Alkali Resistant Primer – Ready Mix
TDS – Flat – Ready mix white – 4-603XI
Codes: 4-603XI/01, 4-603XI/05
Read the full product requirements, application instructions and limitations.
FlatReady mix white
4-603XI
Codes: 4-603XI/01, 4-603XI/05
Read the full product requirements, application instructions and limitations.
FlatReady mix white
4-603XI
Codes: 4-603XI/01, 4-603XI/05
Product safety and handling information.
Check the product label and current manufacturer documents for the exact component, colour and region before use.
Full product details, applications & manufacturer specifications
PERMA-CRETE® Interior/Exterior Alkali Resistant Primer is specifically designed for interior and exterior, above ground, wood, plaster, wallboard, and masonry surfaces.
This primer provides excellent sealing and stain blocking performance. PERMA-CRETE® Interior/Exterior Alkali Resistant Primer is formulated to seal and protect the topcoat from hot alkali found in plaster, masonry, and cement. It blocks out stains such as, water, smoke, ink, markers, and tannins. It is ideal for use on a variety of exterior masonry projects including high-rise apartments and condominiums, tilt-up warehouses, hospitals, schools, concrete parking garage overheads, hotels, resorts and residential homes.
Recommended uses
Wood & cabinetry, Concrete & masonry, Exterior surfaces.
- Finish
Flat
Use the sheet for your exact product code and finish. Coverage and times depend on the stated temperature, humidity, substrate and coat thickness.
- Sizes
- Gallon, 5 Gallon
- Sheens
- Flat
Colours &
finish options.
Explore the published colour and finish information for this product.
- Sheens
- Flat
Complete your project.
Companion products for the selected product and system.

Bennett MP-X 2.5-inch Angular Sash Brush
A synthetic brush for the specified application method.
For the brush application method listed in the coating technical sheet. Prepare the surface and apply at the required spread rate; choose a brush size suitable for the area.
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Share the surface, its condition and what it needs to stand up to. We’ll help you work through the product choices and preparation.
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