OTTOSEAL® A250 BITUMEN COMPATIBLE CAULK
An unusual and rare breed indeed. A non-silicone, caulking sealant that's compatible with bitumen.
Characteristics
- Plastic sealant based on acrylate copolymer
- Compatible with bitumen
- Universal primerless adhesion on sheet metal, aluminium, copper, brass, glass, ceramics, bitumen, wood, concrete, masonry, plaster, tiles, roofing tiles, polyester, roofing felt, zinc etc.
- Adheres also on moist, smooth, non absorbent substrates
- Immediately rainproof
- Silicone-free
- Compatible with coatings according to DIN 52452
- Can be painted and varnished – please observe application instruction in TDS
- Good UV-resistance OTTOSEAL® A 250
Fields of application
- Perfect sealing for roofers and plumbers
- Sealing of air condition and ventilation systems
- Safe sealing of joints with little expansion
- Sealing of joints and seams on the roof, including on damp substrates
- Edge sealing of chimneys, metal profiles and parapet covers
- Sealing of bitumen coats on masonry, concrete, etc.
- Adhesion and joining of corrugated roofing tiles made from fibre cement, metal, PVC, polyester and bitumen (depending on the expected loads, e.g. wind suction, an additional mechanical attachment may be required)
- Barrier of building materials containing bitumen for the subsequent silicone sealant
