BBA Agrément Certificate
Waterproofing additive for renders applied after installation of a chemical DPC.
A waterproofing additive for incorporation into the backing render coat after installation of a damp proof course. Used in sand: cement renders, it also provides workability so that further admixtures are not required. Used as recommended ensures that hygroscopic salts are prevented from moving to the surface plaster and exhibiting secondary dampness.
Rendermix is not a vapour barrier and so will allow the walls to dry out and breathe naturally.
Dilution: 1:40 Sovereign Rendermix to fresh clean water.
Sovereign Fungicidal Wall Solution Extra is recommended to treat dry rot if present.
E10/418 Proprietary admixture
Standard product features
Blue viscous liquid.