Eco Systems Eco Screed

20Kg Bag

Eco Systems Eco Screed by Sika is a preblended cement based economical screed consisting of selected graded aggregates, portland cement and selected additives.

USES

▪ Can be used as a bonded screed in thicknesses from 15mm – 100mm in a single application.
▪ Can be used unbonded from 30mm – 100mm in a single application.
▪ Can be used internally and externally.

Product Information

Composition
Selected graded aggregates, portland cement, & special additives

Packaging
20kg Bags

Appearance/Colour
Grey Powder

Shelf LIfe
12 Months from date of manufacture.

Storage Conditions
Store off ground in dry cool conditions (high humidity will reduce shelf life).

Application Information

Mixing Ratio
1.8 – 2.1 Litres of clean water per 20kg bag.

Consumption
1 Bag of product mixed with 2Litres of water with cover approximately 1m2 at 10mm thickness.

Layer Thickness
Bonded: Minimum 15mm – 100mm thickness
Unbonded: 40mm – 100mm thickness

Pot Life
Approximately 2 hours at 23°C & 50% RH

CHARACTERISTICS / ADVANTAGES

▪ Pre-blended ready to mix with water
▪ Convenient to move around construction sites
▪ Controlled consistent performance and mix.
▪ Installation of tiles may commence after 24 hours.

EQUIPMENT

Mixing can be undertaken with a slow-speed mixing drill & pail, cement mixer or forced drum mixer.
For best results use a forced drum mixer or cement mixer.

MIXING

Slowly add the powder to the clean cool water and mix to a semi-dry consistency for 2-3 minutes.
Once the Sika Eco Screed is mixed, the product should be used without waiting.

APPLICATION

 
Bonded Screed Application: 15mm – 100mm

Priming: Eco Prime WB
Prior to placement of the Eco Systems Eco Screed apply a bond coat.
Bond Coat: Promaxset Plus or Prohesive MegaLite Mixing ratio
Promaxset Plus: 6.5 -6.8 Litres water per bag
Mixing ratio MegaLite: 6.7 – 7 Litres or water per 13.5kg bag

Apply the mixed bond coat to the clean substrate with a trowel, or broom to a depth of 2mm – 2.5mm. While the bond coat is still wet and tacky apply the Eco Systems Eco Screed and compact, and screed to falls as required. Should the bond coat skin prior to placement of screed, remove and replace.

A bond coat shall be applied to the edges of screed that have dried from previous applications.

 
Unbonded Screed Application: 30mm – 100mm

Prior to placement of the Eco Systms Eco Screed install a double layer of polyethylene sheet, lapped and taped to the substrate. Place the Eco Systems Eco Screed onto the polyethylene sheet and install galvanised wire as per AS 3958.1 to approximately half the total depth of the screed and apply additional product to cover. Compact, and screed to falls as required.

CLEANING OF EQUIPMENT

Tools and equipment can be cleaned with water while the screed is still wet.

IMPORTANT CONSIDERATIONS

▪ The performance of portland cement based materials is comprimised when used above 35°C and below 5°C.
▪ Do not apply over substrates that may be subject to shrinkage after application.
▪ Sika Eco Screed is designed to be covered by a tile, and not left exposed.
▪ Efflorescence is beyond the control of the manufacturer.
▪ Expansion joints must be installed as per AS ISO 3958.1-2007.

BASIS OF PRODUCT DATA

All technical data stated in this Product Data Sheet is based on laboratory tests. Actual measured data may vary due to circumstances beyond our control.

LOCAL RESTRICTIONS

Please note that as a result of specific local regulations the declared data for this product may vary from country to country. Please consult the local Product Data Sheet for the exact product data.

ECOLOGY, HEALTH AND SAFETY

For information and advice on the safe handling, storage and disposal of chemical products, users shall refer to the most recent Safety Data Sheet (SDS) containing physical, ecological, toxicological and other safety related data