Graded Construction Board

Creative Drain Solutions Graded and Flat Construction Boards provide a quick cost-effective solution to conventional screed bases when creating fall on a balcony or bathroom floor.

This combination provides to the system, a high mechanical resistance, waterproofing and bond to tile adhesive.

Manufactured from extruded polystyrene, these innovative construction boards offer high waterproofing and insulation properties.  It is covered on both sides with a fibre mesh (to provide mechanical resistance) and embedded in a polymerised cement mortar.

Download our Graded Construction Board tech sheet. 

Graded Board can be stacked on top of flat 10 or 20mm sheets to achieve the desired height.

Features:

• High Compressive strength (withstand 30tm²)
• Waterproof
• Easy to cut with a knife
• Sound insulation (20 decibels)
• Environmentally friendly, CFC and HCFC free
• Even graded fall to lineal drains

• Light-weighted approx. 3kg per M²
• Provides Thermal Heat insulation
• Heat deflection upwards with flat boards, suitable for use with hydronic heating systems
• Capillary water absorption rate – Nil
• Extremely strong
• Will reduce the weight of screed floor areas by as much as 85%
• 1m² x 20mm Thick Sheet weights 3kg.
• Sand and Cement screed 20mm weighs approx. 20kg.