Corotop Blue 1.5mtr x 50mtr Breathable Membrane 140gsm Copper Nails All-weather application – Resistant to

All-weather application – Resistant to wash-off almost immediately

Multiple tub sizes available – Convenient options for small repairs through to larger areas

Copper Nails for roofing slates and tiles

High vapour permeability – Allows the roof to breathe while remaining watertight (W1 rating)

Coverage rates vary depending on surface condition and porosity

Corotop Blue 1.5mtr x 50mtr Breathable Membrane 140gsm Copper Nails All-weather application – Resistant toHigh performance three layer breathable roofing membrane designed for use as an underlay on pitched roofs. Corotop 140gsm provides an effective water resistant barrier beneath tiles or slates while allowing water vapour to escape, helping to protect insulation and maintain a healthy roof structure. With a robust 140g m grammage, this membrane offers excellent mechanical strength and resistance to damage during installation and in service. Suitable for