Sika | SKU: 489549

Sikalastic-1K Waterproofing Mortar

£304.65

Colour

Grey

Size

20kg

Product variants

Customer Services

Got a query? Call 0330 055 8210

We're open from 8am to 5pm, Monday to Thursday, and 8am to 4:30pm on Friday.

Delivery and Shipping

Delivery is £12.50 + VAT to UK Mainland. Orders over £100.00 + VAT qualify for free delivery, except for certain products—these will be clearly shown at checkout.

Orders placed by 3pm (stock permitting) are dispatched the same working day on a next working day service (not guaranteed).

Some areas, like Northern Scotland, may take 2–3 working days.

Northern Ireland, Channel Islands and Isle of Man at extra cost – contact us for a quote

We're open:
Mon–Thurs: 8am–5pm
Friday: 8am–4:30pm

Call us: 0330 055 8210

Sikalastic-1K Waterproofing Mortar – flexible waterproofing mortar

Sikalastic®-1K GB is a one-component, crack-bridging, fibre-reinforced mortar, based on cement modified with special alkali-resistant polymers. Sikalastic®-1K GB is suitable for application by brush or trowel.

Key benefits

One-component product, only water needs to be added
Adjustable consistency, easy to apply by brush or trowel
Good sag resistance and easy to apply, even on vertical surfaces
Good crack-bridging ability
Very good adhesion on many substrates including concrete, cement mortars, stone, masonry
Can be applied on damp substrates

Typical applications

Flexible waterproofing and protection of concrete structures including tanks, basins, pipes etc
Waterproofing of bathrooms, showers, terraces, balconies,swimming pools before the application of ceramic tiles bonded with adhesives
Waterproofing of external wall surfaces to be backfilled in ground
Inside waterproofing of negative water pressure of walls and floors in basements
Flexible protection coating for reinforced concrete structures against the effects of freeze-thaw and carbon dioxide attack to improve durability