NBS Source
Sopro HE 449 Bonding Emulsion


As adhesion prompter or bonding layer to facilitate subsequent application of Sopro FS 15® plus, Sopro FS 551 fibre-reinforced self-levelling filler, Sopro RS 462 repair filler, Sopro Repadur 40S rapid-set concrete repair mortar, Sopro SP 770 rapid-set filler, Sopro AMT 468 levelling mortar with trass, Sopro SP 466 lighweight levelling mortar, Sopro DYX® 700 cement paint, Sopro HFP 942 refactory plaster and plasters/ renders classed under mortar group P II (lime cement) and P III (cement) to DIN 18 550.

For modification and enhancement of site-mixed mortar properties. Compliance with Technical characteristics sheets for aforementioned products is essential.


A polymer dispersion used as bonding layer for mineral surface fillers or plasters/ renders and for modification of site-mixed mortar.

Features and benefits:

  • For wet-on-wet application.
  • Serves as bonding layer.
  • For indoor and outdoor use.

General information

Uniclass 2015

Pr_20_31_03_64 Polymer admixturesPrimary


C41/530 Proprietary mortar repairs

C42/310 Repair mortar

J10/110 Proprietary mortar

M20/10 Cement:lime:sand

M20/110 Cement:lime:sand

M20/120 Cement:lime:sand roughcast (harling)

M20/130 Cement:sand (air entrained)

M20/140 Cement:sand (air entrained) substrates

M20/15 Cement:lime:sand roughcast (harling)

M20/160 Proprietary cement gauged render

M20/200 Gypsum plaster on cement gauged undercoats

M20/220 Multicoat proprietary plaster

M20/240 One coat proprietary plaster

M20/25 Gypsum plaster on cement gauged undercoats

M20/250 X-ray plaster

M20/280 Gypsum plaster skim coat on plasterboard

M20/290 Parge coat to

M20/295 Proprietary parge coat to

M20/47 One coat proprietary plaster

M20/50 Gypsum plaster skim coat on plasterboard

Product range


Specification data - Polymer admixtures Enhanced data


Approximately 100–200 g/m² depending on substrate.

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