What are acrylic sealants and what are they used for?
Acrylic sealants are primarily used indoors when joints and cracks need to be painted or wallpapered afterwards. They are ideal for low-movement connection and expansion joints and are particularly easy to apply.
In this category, you will find high-quality acrylic sealants for renovation, expansion, and repair work in both professional and private settings.
Typical applications for acrylic sealants
Acrylic is the right choice for dry interior spaces and visually clean finishes.
Typical applications:
- Wall and ceiling connections
- Cracks in plaster or masonry
- Connection joints on doors and windows
- Transitions between drywall elements
Properties of acrylic sealants
Acrylic sealants are characterized by their easy handling and good reworkability.
Important properties:
- paintable and plasterable
- easy to smooth
- low odor
- ideal for indoor use
- good adhesion to mineral substrates
Differences between acrylic and silicone
Acrylic and silicone are often confused, but they fulfill different requirements.
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Acrylic: paintable, for dry indoor areas
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Silicone: elastic, waterproof, for wet and outdoor areas
For visually clean, reworkable joints indoors, acrylic is the better choice.
Branded acrylic sealants from OTTO
OTTO Acrylic Sealants
OTTO offers high-quality acrylic sealants for professional indoor finishing applications. The products stand for consistent quality, easy processing, and reliable results.
Popular products:
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OTTOSEAL A205 – Premium acrylic sealant for connection and expansion joints
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OTTOSEAL A215 – granular crack and repair filler for textured surfaces
These acrylic products are ideal for renovation and repair work indoors.
Which acrylic sealant is the right one?
The selection depends on:
- Type of joint or crack
- Desired surface texture
- Subsequent finishing (painting, plastering)
- Substrate (plaster, concrete, drywall)
For classic connection joints, premium acrylic is suitable, while for textured repairs, a granular filler is the better choice.
Suitable accessories for acrylic sealants
For optimal results, we recommend:
- Caulking guns
- Spatulas and smoothing tools
- Cleaning cloths
Frequently asked questions about acrylic sealants
Is acrylic paintable?
Yes, acrylic sealants are paintable and plasterable after curing.
Can acrylic be used outdoors?
Acrylic is generally not suitable for permanently damp or weather-exposed areas.
Is acrylic elastic?
Acrylic has limited elasticity and is therefore intended for low-movement joints.
