Silicones and Acrylics – Sealants for Bathroom, Interior and Exterior Applications
Silicones and acrylics are among the most important sealants used in construction, renovation and refurbishment projects. They are applied to permanently seal joints, create clean transitions between different materials and reliably protect building elements from moisture. Whether in the bathroom, kitchen, interior areas or exterior applications, choosing the right sealant is essential for durability, functionality and the appearance of the joint.
Anyone looking to buy silicone or acrylic is often faced with the question of which material is suitable for which application. In this category, you will find a clear selection of silicone sealants and acrylic sealants for typical uses such as sanitary joints, interior connection joints and exterior joints.
Silicone or acrylic – what is the difference?
One of the most common questions when choosing a sealant is: silicone or acrylic? The difference between silicone and acrylic lies mainly in elasticity, water resistance and areas of application. Silicone remains permanently elastic and is waterproof, while acrylic is paintable but not suitable for continuous exposure to moisture.
Silicone is particularly suitable for joints in bathrooms, showers, kitchens and for exterior applications. Acrylic sealant, often referred to as painter’s acrylic, is mainly used in interior areas, for example at wall and ceiling connections or in drywall construction. The right choice always depends on where the joint is located.
When should silicone be used?
Silicone is used wherever joints are permanently exposed to moisture or where movement needs to be absorbed. Typical applications include bathroom silicone, shower silicone, joints around washbasins, bathtubs or worktops, as well as joints in kitchen areas.
Silicone is also indispensable for exterior use. Silicone for exterior applications is used for exterior joints on façades, windows, doors and balconies. Thanks to its permanent elasticity, silicone is ideal for areas exposed to temperature changes and material movement.
Which silicone is the right one?
The question “Which silicone is the right one?” largely depends on the substrate and the area of application. In addition to the use case – such as bathroom, shower or exterior – the curing system also plays an important role. A basic distinction is made between acetoxy-curing and neutral-curing silicones.
Both types of silicone have different properties and are suitable for specific materials and applications. Choosing the right silicone ensures long-lasting joints and helps prevent damage to the substrate. More detailed information on both variants can be found in the corresponding subcategories.
Sanitary silicone for bathroom and shower
Sanitary silicone is specially developed for use in bathrooms and showers. It is suitable for joints around bathtubs, showers, washbasins, toilets as well as kitchen worktops and sinks. Sanitary silicone is waterproof, permanently elastic and contains mould-resistant additives. For all wet areas, one clear rule applies: always use silicone in bathrooms and showers, never acrylic. Only silicone offers the necessary resistance to water and moisture.
Silicone for exterior applications and exterior joints
Silicone for exterior applications is used when joints are permanently exposed to outdoor conditions. Typical uses include exterior façade joints, window connections, exterior doors or transitions between different building materials. Exterior silicone must be able to absorb movement and reliably protect against moisture. For this reason, it is essential to use a silicone specifically designed for exterior joints.
When is acrylic the better choice?
Acrylic sealants are mainly used in interior areas. Typical applications include wall connections, ceiling joints, window frames or small cracks in masonry. The main advantage of acrylic is that it is paintable. Once cured, acrylic can easily be painted over with wall paint, making it ideal for visible interior joints. However, acrylic is not suitable for wet rooms or exterior use.
How to apply silicone and acrylic correctly
Proper application is essential for a durable joint. Old sealants should be completely removed (our joint cutter is ideal for this) and the surface should be thoroughly cleaned. The silicone or acrylic is then applied evenly into the joint. After application, the joint should be smoothed to achieve a clean finish. Silicone usually forms a skin within a few minutes, while full curing depends on the joint thickness.
Buying silicone and acrylic – what should you consider?
When purchasing silicone or acrylic, the area of application should always be taken into account. Key factors include moisture exposure, substrate type and visual requirements. Choosing the right sealant ensures durable joints and helps protect the building structure in the long term. In this category, you will find a selection of silicone sealants and acrylic sealants for bathroom, interior and exterior applications.
