PERMA-CRETE® Alkali Resistant Primer, 4-603, is specifically designed for interior and exterior, above grade, wood, plaster, wallboard, and masonry surfaces. This primer provides excellent sealing and stain blocking performance. PERMA-CRETE 4-603 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. This PERMA-CRETE Alkali Resistant Primer 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.
*Colorants added to this base paint may increase VOC level significantly depending
on color choice.
- VOC compliant in all regulated areas
- MPI approval in category #3, Primer, Alkali Resistant, Water Based
- Meets MPI Green Performance Standard GPS-1
- Fiber Cement
- Tilt Up
Concrete Block (CMU)
|Alkali Resistance||Can apply to fresh concrete at 7 days and a pH less than 13
|Excellent Stain Blocker||Blocks water, smoke, ink, markers, & tannins
|Application to 35°F (2ºC)||Longer painting season
|Higher Solids||Better coverage
|Efflorescence Resistance||Minimizes white crusty salt deposits
|Seals and Prepares Recommended Substrates||Prevents moisture damage & prepares the surface for topcoating
|Adhesion||Minimizes peeling & cracking
|Excellent Application Properties||Less time for application
|Mildew Resistant Coating||Mildew and fungal growth resistance on paint film
|UV Resistance||Looks like new longer
U.S. MSDS and Data Sheets
|Non-Flat||4-603||White (Tintable)||Gallons, Fives||MSDS||TDS||TDS
LEED is a registered trademark of US Green Building Council and GREENGUARD
is a registered trademark of GREENGUARD Environmental Institute.