Collection: Construction & Universal

What is construction silicone and what is it used for?

Construction silicone is a versatile silicone sealant for construction, connection, and expansion joints. It offers excellent adhesion to many substrates and permanent elasticity, making it suitable for both indoor and outdoor use.

In this category, you will find high-performance construction silicone for professional applications in the construction and assembly sectors.


Typical applications of construction silicone

Typical applications:

  • Connection joints on windows and doors
  • Construction and expansion joints
  • Facade and outdoor areas
  • Glass, metal, plastic, and coated surfaces
  • Indoor and outdoor applications

Properties of construction silicone

Important properties:

  • very good adhesion to many substrates
  • permanently elastic
  • weather and UV resistant
  • temperature resistant
  • versatile

Difference between construction silicone, sanitary silicone, and natural stone silicone

  • Construction silicone (S110): universal for construction and connection joints
  • Sanitary silicone (S100): mildew-inhibiting for bathroom & kitchen
  • Natural stone silicone (S70): prevents edge zone discoloration on natural stone

For classic construction and connection joints, construction silicone is the right choice.


Construction silicone from OTTO

OTTOSEAL S110
The premium construction silicone for versatile applications in the construction and assembly sector. It offers high adhesion, is robust, and suitable for indoor and outdoor use.


Which construction silicone is the right one?

The choice depends on:

  • Substrate (e.g., glass, metal, plastic)
  • Area of application (indoor or outdoor)
  • Joint movement capability
  • Optical requirements (color)

Matching accessories for construction silicone

  • Caulking guns
  • Joint tools for smoothing
  • Smoothing agent
  • Cleaning cloths

Frequently asked questions about construction silicone

Is construction silicone suitable for outdoor use?
Yes, high-quality construction silicone is UV and weather resistant.

Can construction silicone be painted over?
No, silicone is generally not paintable. Acrylic is suitable for this purpose.