ALEX FLEX SPACKLING Safety Data Sheet
Safety Data Sheet


Flexible – Eliminate Reoccurring Cracks – Prevents cracks from reappearing by maintaining flexibility over time.
Sandable – Sands easily for a smooth, professional finish without the hassle.
Paintable – Can be painted over without issues, providing a seamless, uniform surface.
Won’t Sink or Shrink – Maintains its shape and size after drying, ensuring long-lasting repairs.
Interior/Exterior Use – Suitable for both indoor and outdoor applications, offering versatile repair solutions.
Ready-to-Use Smooth Formula – Pre-mixed, easy-to-apply smooth white formula for quick repairs.
Fast, Professional Repairs – Spreads easily for quick and efficient repairs, ideal for both DIY and professional use.
Won’t Flash or Gloss Low Sheen/Flat Paint – Provides a smooth, even surface that doesn’t interfere with paint finishes, perfect for flat or low-sheen paints.
DAP Alex Flex Flexible Spackling is a premium spackle for eliminating reoccurring cracks in drywall. Its ready-to-use smooth, white formula spreads easily for fast, professional wall repair. Alex Flex Spackling sands effortlessly and can be painted. It does not flash or gloss low sheen/flat paint and can be used for interior or exterior applications.
For a smoother finish, dip putty knife into water & lightly smooth spackling prior to drying.
Dual-grit sanding using medium (60 to 100-grit) and finishing with fine (120 to 220-grit) sandpaper will help achieve a smooth finished repair.
Using a flexible putty knife will provide the best application experience when applying spackling compound.
De-gloss surface with sandpaper for better adhesion to the drywall.
Overfill the repair slightly when applying so you can sand it down to a smooth, flat finish when dry.
Use the back of a putty knife to knock down any rough edges of the repair to create a smooth surface.
Surface must be clean, dry & free of foreign material. | Apply with a clean putty knife. | One application is usually sufficient for small repairs | For repairs deeper than 1/8”, apply 2 or more layers allowing to dry between applications. | May be sanded or painted in 1 to 5 hours depending on temperature, humidity & depth of fill.
1 to 5 hours depending on temperature, humidity and depth of fill.
12 months
Clean tools immediately with water. Cured spackling must be cut or scraped away
Alex Plus Spackling is ideal for filling holes and cracks in surfaces such as drywall, plaster, wood, brick, metal & stone. Alex Flex Flexible Spackling is ideal for providing a solution to eliminate reoccurring cracks in drywall. For exterior applications, always topcoat with a high-quality exterior-grade paint.
DAP® Alex Spackling is not ideal for use below a water line or for marine or automobile applications. It also should not be used as a skim coat.
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