Render & Plaster

Product catalog summary

Overview: This document provides guidelines for two-coat render and plaster systems, focusing on basecoat and finish applications for both render and plaster. It includes specifications for different types of basecoats and finish coats, as well as application procedures.

Specifications:

Render Basecoats: Should be softer than the substrate. Options include Baumit Lime Render Range with RK 39 for masonry (conductivity > 0.12 W/mK), MP69 and SL67 lightweight renders (conductivity > 0.10 W/mK, density 600-700 kg/m³), and FL68 lightweight render (conductivity <= 0.10 W/mK, density < 600 kg/m³).
Finish Coats: Include RK 70N Lime Render Finish (3mm thick), KRP Coloured Render Topcoat (10mm thick, scratched to 8mm), and SEP Decorative Roughcast Finish (3-6mm thick).

Application Procedures:

Render System Application: Apply a 15mm basecoat in two stages (wet in wet), rule off flat, use a grid float to remove laitance and create a key, and allow to cure for 1 day per mm of thickness.
Finish Coats Application: Apply mineral decorative render finishes (SEP, KRP, or RK 70N) and allow to cure for 1 day per mm of thickness.

Internal Plaster: