Sealing of longitudinal and transverse deformation joints of compression and expansion, interface joints of cement-concrete pavements of roads and airfields.
Advantages
High quality sealing and preservation of any expansion and technological seams.
An effective method for restoring the integrity of coatings.
High rates of extensibility of the sealant when changing the geometry of expansion joints.
The conclusion of Lenaeroproekt was received, allowing the use of civil aviation at airports.
Simple unified application technology.
Specifications
Softening point according to R&S, °С, not less than: +70 Flexibility, °С, not more than: −50 Relative elongation at break, %, not less: 200
Composition
Petroleum bitumen, plasticizer, modifying polymers and filler (STO 77310225.003-2021).
Technology
Cutting seams and expansion joint chambers.
Blowing with hot compressed air.
Sealing cord.
Treatment of the walls of the seams with a primer "Brit".
Filling the expansion joint with a sealant heated to (175–190) ºС.
Surface treatment with finely dispersed mineral material (if necessary).
The description of the work production technology is presented in detail in STO 77310225.003.1-2015 “Brit” bitumen-polymer sealing materials. Application Rules".