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sikalastic 487sikalastic 487

Sikalastic 487 – 15ltr Grey

$265.00 inc GST

High performance, moisture-curing hand applied elastomeric polyurethane membrane


Sikalastic®-487 is a high performance, hand-applied, low VOC, moisture-curing single component elastomeric polyurethane


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Sikalastic®-487 is designed for the following waterproofing applications: Under-screed in wet areas  Under-screed on balconies  Non-UV applications  Podiums and decks



Low VOC, complies with Green Star requirements Quick tack-free surface High resistance to stagnant water High resistance to puncture Excellent crack bridging capability High elongation, Class III membrane >300% according to AS/NZ4858 Single component, ready to use


15 Litres

Relative air humidity

Between 20 and 90%

Substrate temperature

+5 to +35°C

Substrate moisture content

Up to 5%

Waiting time to overcoating

In normal conditions, Sikalastic®-487 can be recoated with another layer of Sikalastic®-487 after one night and within 2 days. In case of rain or if the recoating interval was exceeded, light abrasion and reactivate Sikalastic®- 487 with Sika Thinner C or for the best results remove the existing coating back to substrate and re-apply.

Drying time

24 hours for full cure.



Surface must be clean, sound, smooth and dust-free as well as oil-free. A layer of diluted Sikalastic®-487 membrane (with 10% Thinner C) can be used as a primer for dry and contaminants-free concrete. In the case of high porosity, it is recommended to use an epoxy primer. Please see ‘priming’ section below for further information.



Sikalastic® PU Primer 4m2 per Litre
Sikalastic® Moisture Seal Up to 10m2 per Litre (refer to pds)
Sikalastic®-487 (10% diluted Thinner C) 4m2 per Litre


-The above consumption rates are indicative only and can fluctuate depending on porosity of surface being primed.



Sikalastic®-487 can be applied with a brush or a roller to the desired thickness.

2 coats of 680 micron (WFT) are required to achieve a dry film thickness of 1.2mm.

Sikalastic®-487 can be subject to light foot traffic and screed applications after 24 hours.


Reusable tools should be cleaned carefully with Sika Thinner C before curing.


Colour accuracy disclaimer: We have taken care to display the most accurate visuals of our products. However, we are not responsible for the colour accuracy of the device you are viewing our swatches on. These variations arise due to different computer monitors and devices (make, model and technology, as well as resolution, contrast and brightness control settings) in much the same way a scan will differ from an original image and a colour photocopy. Furthermore, coatings can exhibit variation in perceived colour depending on gloss level and application method. If you require a very specific colour match, please make your selection via actual swatches and colour boards available at our showroom.

Product Disclaimer: Ensure you read all product, technical and safety data sheets prior to application as liability falls on the applicator. All products must be applied in accordance with manufacturer’s recommended method.

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