DUAL EXTENSION UNDERFLOOR VENT BLACK 320MM SQUARE PLASTIC COVER &

320MM SQUARE PLASTIC COVER & FRAME

Ideal for priming unsound surfaces prior to plastering or painting

Aid to fire protection

C guidelines

Ideal for medium duty non-critical applications such as garage door and door frames

DUAL EXTENSION UNDERFLOOR VENT BLACK 320MM SQUARE PLASTIC COVER &Packed: 1 Designed to provide a clear airflow passage to a void beneath an insulated suspended floor 8,000mm airflow Current and future requirements of Part L of the Building Regulations along with other standards and regulations have led to an increase in the depth of thermal insulation in suspended floors along with an increase in cavity widths to accommodate greater amounts of cavity wall insulation This has meant that clear access to an underfloor