What Is an Acrylic Sealer 

 May 22, 2022

By  Dale Keese

Sealers are a type of product applied on various surfaces such as countertops, tile floors, concrete, and others to seal it while protecting it from the elements. There are many different types of sealers but acrylic sealants are one of the most widely used. However, many people are unsure what an acrylic sealer is.

Acrylic sealer is a synthetic sealant that is derived from acrylic resins or polyurethane resin mixed with other ingredients. Because of its flexible nature, acrylic sealer is commonly used in construction for filling in joints or covering gaps and cracks in various surfaces.

Acrylic sealer has many properties unique to its formula. Read on below to learn more about this sealant.

What Is Acrylic Sealer?

There are different kinds of sealants that are used in construction and home improvement. They vary based on the application, cost, advantages and disadvantages. Acrylic sealers are one of the most commonly used in both cases, which work by leaving a thin protective layer on the substrate’s surface.

Acrylic sealers may be known as latex acrylic caulk, decorator’s caulk, latex acrylic sealant, siliconized acrylic sealant, and acrylic caulk among others.

The general characteristics of acrylic sealers are:

  • Non-flammable
  • Usually water-based formulation
  • Strong adhesion
  • Odorless
  • Resistant to UV rays
  • Flexible and elastic after drying
  • Mold-resistant
  • Paintable
  • Waterproof
  • Efficient air permeability
  • Shrink-resistant
  • Can be used indoors or outdoors
  • Paintable
  • Moisture-resistant
  • Lasts for 2-3 years

However, acrylic concrete sealers which are intended only for use on concrete can be broken down into two categories: water-based and solvent-based.

Water-Based Acrylic Concrete Sealer Characteristics

  • Non-flammable
  • Low to no VOC (volatile organic compounds)
  • Doesn’t darken concrete

Solvent-Based Acrylic Concrete Sealer Characteristics

  • Flammable
  • May darken concrete
  • May leave low to high gloss finish, depending on the formulation

Surfaces For Acrylic Sealers

Acrylic sealers can be used on various materials both indoors and outdoors because of its high moisture resistance. In addition, it can also be used in both low and high temperatures. Acrylic sealers are commonly used on concrete, wood, metal, glass, ceramic, bricks, and plastic.

Common Applications of Acrylic Sealer

There are many uses for various types of acrylic sealers:

  • Filling in joints and gaps in windows and doors
  • Door frames
  • Building joints
  • Protect surfaces from insects, dust
  • Sanitary ware
  • Floorboards
  • Skirting boards
  • Stairs
  • Bathrooms and showers
  • Kitchens

Acrylic sealers usually come prepackaged in a caulking or mastic gun. The narrow nozzles at the end make it more efficient for applying the sealer in tight areas such as joints and grouts between tiles. Users can cut the nozzle top based on the size of bead size you need for your project.

Meanwhile, when used on concrete, acrylic sealers are applied with a roller or pump-up sprayer. These are intended to:

  • Protect concrete from the elements
  • Improves UV and weather resistance
  • Seal cracks and gaps in concrete


Acrylic sealer is a useful tool for a variety of do-it-yourself home projects. Because there are many different types of acrylic sealant in the market, it’s important to choose one that is best suited for the work you need to undertake.

About the author

Hey, I'm Dale Keese.. thanks for reading.. hopefully this article can save you some time and trouble with your sealing job. I'm also in the process of making some video walk-throughs for youtube so check back soon! thanks

{"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}