Product Data Sheet Safety Data Sheet Show all documents

Sika® Primer-11 W+

Universal substrate primer for tile adhesives or levelling compounds

Sika® Primer-11 W+ is a synthetic resin primer applied before using tile adhesives and/or self- levelling compounds on indoor floors or walls to primarily reduce substrate absorbency and improve adhesion.

Ready to use
Can be diluted with water
Easy to apply
High coverage
Short waiting time
Indoor use
Suitable for heated floors (Water and electric systems)
Very low emissions

Where to buy

Product Data Sheet Safety Data Sheet Show all documents

Usage

Reduce substrate absorbency
Improve substrate adhesion
Protect substrate from moisture entering from tile adhesive or self- levelling compounds

Advantages

Ready to use
Can be diluted with water
Easy to apply
High coverage
Short waiting time
Indoor use
Suitable for heated floors (Water and electric systems)
Very low emissions

Packaging

5 kg container

Colour

Blue

Product Details

Sustainability / Certifications / Approvals

ENVIRONMENTAL INFORMATION

VOC emission classification GEV – Emicode EC1^PLUS

Product Information

Chemical Base

Synthetic resin

Shelf Life

12 months from date of production

Storage Conditions

Product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to packaging.

Density

1,0 kg/L

Application

Application Information

Substrates

Concrete
Cement screed
Calcium sulfate based screed
Gypsum boards
Gypsum plaster
Wood

Mixing Ratio

Substrate	Dilution
Normal absorbent substrate (cementitious screed, concrete)	1 kg Sika® Primer-11 W+ : 3 L water
Calcium sulphate substrate (calcium sulfate screed, gypsum plaster)	1 kg Sika® Primer-11 W+ : 1 L water
Low absorbent substrate (chipboard, wooden substrate)	undiluted

Ambient Air Temperature

+5 °C min. / +30 °C max.

Substrate Temperature

+5 °C min. / +30 °C max.

Waiting Time / Overcoating

Before applying tile adhesive or self-levelling compound to Sika® Primer-11 W+ :

Substrate	Waiting time
Cementitious substrate (cementitious screed, concrete)	~ 10 minutes
Wooden substrate and chipboard	~ 2 hours
Low absorbent substrate (old water resistant adhesive)	~ 12 hours
Calcium sulphate substrate (moisture proof)	~ 24 hours

Consumption

40-100 g/m² depending on substrate absorbency, application equipment and mixing ratio. These figures are theoretical and do not allow for any additional material due to surface porosity, surface profile, variations in level or wastage etc

Application steps

MIXING

Shake or stir Sika® Primer-11 W+ in product container before use.

APPLICATION

Pour mixed diluted or undiluted primer onto the prepared substrate and apply by brush, roller or squeegee. Ensure a continuous, pore free coat covers the substrate. Avoid excessive primer consumption and the formation of puddles. Remove excess primer before applying tile adhesive or self- levelling compound