Product Data Sheet Safety Data Sheet Show all documents
Sika BlackSeal®-1

Sika BlackSeal®-1

Bitumen-based construction sealant

Sika BlackSeal®-1 is a 1-component bitumen based construction sealant with good adhesion to most common construction materials.

  • Bonds to many substrates such as concrete, masonry, timber, metal, bitumen coatings & membranes and polymer bitumen roofing
  • Does not require primer
  • Easy to apply
  • Can be applied on damp non-porous substrates
Where to buy
Product Data Sheet Safety Data Sheet Show all documents

Usage

Sika BlackSeal®-1 is designed for external sealing and repairing applications on roofs, walls, tanking membranes and other building elements.  

Advantages

  • Bonds to many substrates such as concrete, masonry, timber, metal, bitumen coatings & membranes and polymer bitumen roofing
  • Does not require primer
  • Easy to apply
  • Can be applied on damp non-porous substrates

Packaging

300 ml cartridges, 12 cartridges per box

Colour

Black

Product Details

Product Information

Chemical Base

Bitumen based

Shelf Life

Sika BlackSeal®-1 has a shelf life of 12 months from the date of production, if it is stored properly in undamaged, original, sealed packaging, and if the storage conditions are met.

Storage Conditions

Sika BlackSeal®-1 shall be stored in dry conditions, protected from direct sunlight and at temperatures between +5 °C and +25 °C.

Density

~1.30 kg/l

(ISO 1183-1)

Solid Content

~85 %
Technical Information

Service Temperature

−20 °C to +70 °C

Application

Application Information

Sag Flow

< 3 mm (20 mm profile, 23 °C)

(ISO 7390)

Ambient Air Temperature

+5 °C to +40 °C, min. 3 °C above dew point temperature

Substrate Temperature

+5 °C to +40 °C

Tack Free Time

15 minutes approx.
Application steps

SUBSTRATE PREPARATION

The substrate must be clean, dry, sound and homogeneous, free from oils, grease, dust and loose or friable particles. Paint, cement laitance and other poorly adhering contaminants must be removed.

CLEANING OF TOOLS

Clean all tools and application equipment immediately after use with Sika Thinner C. Once cured, residual material can only be removed mechanically.

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