A pumpable self-smoothing, flowing screed manufactured to BS EN 13813. It is specifically designed to complement both water underfloor heating and cooling systems.

Features and benefits:

Guaranteed thermal performance.
Excellent thermal conductivity.
Coupled with an underfloor heating or cooling system guarantees a pipe encapsulation and an emitter.
Up to 30% increase of the thermal value coefficient for maximized performance of the underfloor heating system.
Up to 80% thermal diffusivity for a much faster ramp-up in temperature, greatly improving immediate and long term comfort.
Up to 8% savings on heating bills.
Very high fluidity for fast installation.
Easily achieves SR2 finish as described in BS 8204.
Extremely low shrinkage - does not curl and minimizes the risk of cracking.
Maximum bay size of 300 m².
Avoids the need for reinforcement and no need for a curing membrane (self-curing).
Environmentally friendly – 98% recycled content, 100% recyclable.
Low inertia.
Self-compacting.
Protein free.

Product Options:

Sub base:

Gyvlon screeds are suitable for application to most types of sub bases, demonstrating an excellent degree of dimensional stability (maximum shrinkage/ expansion on drying of 0.02%) when compared to traditional sand/ cement based screeds.

Application thickness (minimum):

Unbonded: 30 mm.
Floating residential: 35 mm.
Floating commercial: 40 mm.
Underfloor heating: 20 mm (nominal).