Waterproofing · Liquid-applied waterproofing
Sika® Raingard
Single-Component Acrylic Liquid-Applied Waterproofing Membrane for Exposed Roofs
Sika TDS Reference
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Waterproofing · Liquid-applied waterproofing
Sikalastic®-510
Official name Sikalastic®-510 PK
Single-Component Acrylic Liquid-Applied Waterproofing Membrane
TDS In stock
In stock Available now from our Islamabad and Rawalpindi stock.
- Seamless & Elastic Cold-applied, seamless, flexible membrane.
- UV & Weather Resistant Durable on permanently exposed roofs.
- Single Component Ready to use, applied directly from the container.
- Reinforcable Combine with Sika Fab-1 mesh for a durable system.
- Detail Friendly Waterproofs complex roof details and terraces.
Prices are quoted per project — no prices are shown online.
- Sika products supplierIslamabad & Rawalpindi.
- Get a quote on WhatsAppSend your product and quantity for current pricing.
- Technical support from MCTOur team helps you choose the right solution.
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Product at a glance
Mixing water
Passes (according to IS 101)
Application thickness
With Sika® Fab-1: ~1.2 mm
Temperature range
+10°C min / +40°C max
Key benefits
- Seamless & Elastic
- UV & Weather Resistant
- Single Component
- Reinforcable
- Detail Friendly
- Algae & Fungi Resistant
Sikalastic®-510 PK — Single-Component Acrylic Liquid-Applied Waterproofing Membrane
Sikalastic®-510 PK is a flexible, single-component, liquid-applied acrylic waterproofing membrane that is UV- and weather-resistant, for all types of exposed roof slabs (new and old) and terraces (sloped and flat). Applied cold, it cures to a seamless, elastic membrane, and when combined with Sika Fab-1 glass-fibre mesh it forms a highly durable reinforced waterproofing system. Suitable for hot and tropical climatic conditions.
Recommended uses
- Exposed roof slab waterproofing (new and old)
- Sloped and flat terraces
- Roof refurbishment
- Complex roof details and penetrations
- Protective coating in infrastructure projects
Technical information
Technical information
Verified performance data for Sikalastic®-510 PK, taken directly from the Sika Pakistan Product Data Sheet.
| Chemical Base | Acrylic polymer dispersion |
|---|---|
| Packaging | 16 kg bucket |
| Appearance / Colour | White |
| Shelf Life | 12 months from date of production if stored properly |
| Storage Conditions | Store in undamaged, unopened, original sealed packaging in dry conditions at temperatures between +5°C and +35°C. Protect from direct sunlight and frost |
| Solid Content | ~53% (105°C, 1 hr) as per ISO 3251 |
| Shore A Hardness | 85 (EN ISO 868) |
| Elongation | At break 360%; after UV ageing 150% (DIN 53504) |
| Crack Bridging Ability | 2.1 mm (at 23°C, EN 14891) |
| Behaviour after Artificial Weathering | Accelerated weathering, 500 hours: no cracking / no blister (according to IS 101) |
| Permeability to Water Vapour | Passes (according to IS 101) |
| Salt Spray Resistance | Satisfactory |
| Water Resistance | Passes (according to IS 2645) |
| Layer Thickness | With Sika® Fab-1: ~1.2 mm |
| Ambient Air Temperature | +10°C min / +40°C max |
| Substrate Temperature | +10°C min / +40°C max |
| Tack Free Time | 25 minutes at +27°C |
| Waiting Time / Overcoating | 24 hours at +30°C |
| Consumption / Yield / Dosage | Sikalastic®-510 PK Primer: 0.200 kg/m² per coat depending on the substrate. Sikalastic®-510 PK: 0.5 kg/m² per coat (2–3 coats recommended). Total thickness approx. 1.2 mm with Sika® Fab-1 and 1 mm without Sika® Fab-1 |
Sika Pakistan Product Data Sheet, Sikalastic®-510 PK, June 2025, Version 03.01 (doc 020915108010000032).
Packaging & storage
Packaging & storage
Packaging
16 kg bucket
Storage
Store in undamaged, unopened, original sealed packaging in dry conditions at temperatures between +5°C and +35°C. Protect from direct sunlight and frost.
Shelf life
12 months from date of production if stored properly
Application guide
Application guide (5 easy steps)
- Substrate PreparationThe substrate must be sound, clean and free from dust, laitance, oil and loose material. Repair cracks and defects and prime as required; allow the primer to cure.
- DetailingReinforce upstands, joints and penetrations with Sika Fab-1 mesh bedded into a base coat of the membrane.
- First CoatStir the product and apply the first coat evenly by brush, roller or airless spray at the specified consumption, embedding mesh where a reinforced system is used.
- Further CoatsApply the second (and third if specified) coat after the indicated waiting time, cross-wise, to build the required total thickness.
- CuringProtect from rain and ponding until fully cured. Allow to develop full properties before foot traffic.
Follow the official Sika Technical Data Sheet for full application details.
FAQs
Frequently asked questions
What is Sikalastic®-510 PK?
A single-component, liquid-applied acrylic waterproofing membrane for exposed roofs and terraces.
Is it UV resistant?
Yes, it is UV- and weather-resistant for permanently exposed roofs.
Can it be reinforced?
Yes, combine it with Sika Fab-1 glass-fibre mesh for a highly durable system.
How is it applied?
Cold, by brush, roller or spray in two or more coats.
Where are the full technical specifications?
Detailed figures are in the current official Sika Pakistan Product Data Sheet, available on request.
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