Bayonet BayoWrap Roof 07 Flame Spec Underlay is a heavy weight, synthetic building underlay for use under roof claddings.

Bayonet BayoWrap Roof 07 Flame Spec Underlay is a high-quality functional film covered with two thick layers of non-woven, spun-bonded, polypropylene fabric providing a heavy-duty fire retardant, self-supporting 3-layer roof underlay for assisting with the toughest conditions.

Features

Durable

• Heavy in weight making it the ideal underlay for high wind zones.

• Stronger & more resistant to shrinkage than conventional kraft underlays.

Breathable

• Very high vapour permeability.

• Very high absorbency

Efficient

• Spans up to 1200mm centres without support on 3 degrees and above (when laid horizontally)

• Pre-printed with 150mm overlap laying lines.

Compliant

• BRANZ Appraised

• CodeMark Certified