Sikalastic®-1K

Sikalastic®-1K is a one-component, flexible waterproofing mortar ideal for a wide range of applications. It's easy to apply, provides excellent crack-bridging, and protects concrete from water damage and environmental factors, making it a reliable choice for construction professionals.
Vendor: Sika
SKU: SIKA1K/20
Availability: In Stock
$168.44
$168.44

Physical Properties

Composition: Cement modified with alkali resistant polymers, selected aggregates, fine fillers admixtures, additives and fibres
Packaging: 20 kg bags
Shelf life: 6 months from date of production
Storage conditions: Store properly in the original packaging, in cool and dry conditions. protect from water.
Appearance and colour: Light grey
Maximum grain size: Dmax: ~0,3 mm
Crack bridging ability: > 0,50 mm (class a 3, +23 °c), ≥ 0,75 mm (+23 °c), ≥ 0,75 mm (-5 °c)
Tensile adhesion strength: ≥ 0,8 n/mm² (en 1542)
Capillary absorption: ~0,02 kg/m²⋅h0.5 (en 1062-3)
Water penetration under pressure: No penetration after 72h at 5.0 bar, no penetration after 7 days at 1.5 bar
Water penetration under negative pressure: No penetration after 72h at 2.5 bar (uni 8298/8)
Permeability to water vapour: Class i (permeable) sd < 5 m (en iso 7783-1)
Permeability to carbon dioxide: ≥ 50 m (en 1062-6)
Freeze thaw de-icing salt resistance: ≥ 0.8 n/mm² (en 13687-1)
Reaction to fire: Euroclass a2 (en 13501-1)
Fresh mortar density: ~1,5 kg/l

Shipping & Delivery

$15.95 shipping on all orders nationwide for most products

Sikalastic®-1K

Vendor: Sika

Sikalastic®-1K

$168.44

Vendor: Sika

Sikalastic®-1K

$168.44

Sikalastic®-1K is a premium, one-component, flexible, fibre-reinforced cementitious mortar designed for waterproofing and protecting concrete structures. This versatile product is easy to mix and apply by brush, trowel, or spray, making it ideal for various applications, from bathrooms and balconies to water tanks and basements. With its excellent crack-bridging ability, strong adhesion, and resistance to water and environmental factors, Sikalastic®-1K provides a durable and reliable waterproofing solution.

Key Features

  • One-component, simply add water
  • Flexible and crack-bridging
  • Fibre-reinforced for added strength
  • Excellent adhesion to various substrates
  • Suitable for positive and negative water pressure
  • Can be applied on damp surfaces
  • Resistant to freeze-thaw cycles and carbon dioxide
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Uses

  • Waterproofing bathrooms, showers, terraces, balconies, and swimming pools before tiling
  • Waterproofing external walls subject to backfilling
  • Internal waterproofing of basement walls and floors against negative water pressure
  • Protecting reinforced concrete structures from freeze-thaw cycles and carbonation
  • Waterproofing water tanks, basins, and pipes

Benefits

  • Provides a durable, flexible, and waterproof barrier
  • Bridges cracks, preventing water ingress
  • Protects concrete from deterioration
  • Easy to mix and apply by various methods
  • Suitable for both positive and negative water pressure
  • Excellent adhesion to multiple substrates
  • Safe for contact with drinking water

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