K Rend K Mix GP Mortar Grey 25kg - 21505

K Mix GP Mortar is a general purpose mortar designed for rendering and pointing of blocks and bricks. It can also be used as a scratch coat plaster for internal and external work, as a bedding for pavia and as a rubbed up finish suitable for external painting.

• It can be hand or machine applied
• On site, add clean water and mix for 5 minutes
• Workable and easy to use
• 25kg bags for convenient on site handling
• Reduced wastage over bulk materials

Application:

• Add 4 – 5 Litres of clean water per 25kg bag
• Mix thoroughly for at least 5 minutes in a standard site mixer to break down additives

Specification:

• Hand application coverage: 1.8kg / mm thick / m² | approx. 55 m² per tonne
• Hand application require: 14-18kg / m² | approx. 8-10mm thickness
• Machine application coverage: 1.5kg / mm thick / m² | approx. 66 m² per tonne for 10mm thickness
• Machine application require: 12-15kg / m² | approx. 8-10mm thickness
• Compressive strength class: CS III
• Workable life: 4 hrs 28 mins
• Capillary water absorption: W2
• Adhesion: 0.28 N / mm² (FP - a)
• Water vapour permeability (μ): ≤ 15
• Dry bulk density: 1400kg / m³
• Thermal conductivity: P = 50% - 0.43 W / mK (tab value)
• Air content: 29%
• Reaction to fire: Class A1
• Durability (against freeze thaw): based on provisions valid in UK and Ireland