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Ardex A 18 Screed Bonding Cement With Colour Indicator 25kg
Produces A Slurry Ideal For Bonding ARDEX Screed Cements
Colour Changing Feature
60-Minute Pot Life
15 Minutes Open Time
Suitable For Internal & External Use
Size: 25kg
Coverage: 1.5kg Of ARDEX A18 Powder Per m²
ARDEX A 18 is a green powder with aggregates and specially formulated additives which, when mixed with water, produces a slurry ideal for bonding ARDEX Screed Cements. The bonding slurry changes colour as it dries, indicating if it remains open to receive the ARDEX Screed Cement.
ARDEX A 18 is used for producing bonding slurries for application over concrete and cement/sand screeds. It is suitable for internal and external use, including swimming pools.
ARDEX A 18 can also be used for joining daywork joints when a new bay is laid against a set and hardened screed, including screeds with underfloor heating systems.
Bulk Density Of Powder: approx. 1.5kg/litre.
Weight Of Fresh Mortar: approx. 1.8kg/litre.
Compressive Strength:
- After 1 day: approx. 8 N/mm².
- After 7 days: approx. 13 N/mm².
- After 28 days: approx. 26 N/mm².
Tensile Bending Strength:
- After 1 Day: approx. 2 N/mm².
- After 7 days: approx. 3 N/mm².
- After 28 days: approx. 7 N/mm².
Suitable For Underfloor Heating: Yes.
Coverage: The material requirement is approximately 1.5kg of ARDEX A18 powder per m² per mm application thickness i.e. approximately 11.1m² at 1.5mm thick per bag.
Storage & Shelf Life: ARDEX A18 must be stored in unopened packaging, clear of the ground in cool, dry conditions and protected from excessive draught. If stored correctly, the shelf life of this product is 12 months from the date shown on the packaging.