
Sika Sikalastic HLM 5000
Sika Sikalastic HLM 5000 is a single-component, moisture-curing polyurethane waterproofing membrane for below-grade and between-slab decks. It self-levels on horizontal surfaces and bridges cracks to keep foundations and plaza decks dry. A proven fluid-applied membrane.
Made by Sika
Sika is a specialty chemicals company with a globally leading position in the development and production of systems and products for bonding, sealing, damping, reinforcing, and protection in the building sector and industry. Whatever your construction need, their extensive line likely has a solution.
Where this product fits
- Stocked at or transferred between all six branches
- Volume pricing by the case or pallet
- Product specialists to confirm fit for your application
Technical documents
Download the current technical data sheet for Sika Sikalastic HLM 5000.
Data sheet (PDF)Other below-grade membranes we carry
Same type of product from other manufacturers, all supplied through our branches. Our specialists can help match movement capability, colour and substrate.

Tremco TREMproof 250GC
Tremco TREMproof 250GC is a single-component, moisture-curing polyurethane waterproofing membrane for below-grade and split-slab applications.
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Henry 770-06
Henry 770-06 is a waterproofing and dampproofing product used to protect foundations and below-grade walls.
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Tremco TREMproof 260
Tremco TREMproof 260 is a two-component, fast-curing polyurethane waterproofing membrane for below-grade walls and split-slab decks.
View productOther options for the same job
These solve a similar problem a different way. Check the data sheet or ask your branch to confirm they suit your project.

KIM (Krystol Internal Membrane)
KIM is the admixture that turns the concrete itself into the waterproofing: dosed at the batch plant, its crystalline chemistry grows into capillaries and micro-cracks, blocking water for the life of the structure.
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MasterSeal 1500
MasterSeal 1500 belongs to the waterproofing family now under the Sika umbrella, serving deck and exposed-surface protection duties.
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Krystol T1
Krystol T1 applies Kryton’s crystalline waterproofing as a surface treatment on existing concrete, driving the same crack-blocking chemistry into the structure from outside the pour.
View productNot sure which waterproofing system fits? Tell us the assembly, exposure and traffic and a product specialist will recommend a system.
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