Building Paper Grade A1F Lead Underlay - 25m x 1m Heritageblind Material: Resitrix EPDM Rubber Membrane

Material: Resitrix EPDM Rubber Membrane with Polypropylene spout

The smoke ventilation roof window can be operated via the smoke sensor (KFA 100) or break glass point(KFK 100)

Every ridge unit is mechanically fixed eliminating the need for mortar completely

Size: UK08 - 134 x 140 cm

Building Paper Grade A1F Lead Underlay - 25m x 1m Heritageblind Material: Resitrix EPDM Rubber MembraneDelivery: IN STOCK. NEXT DAY Delivery (if ordered before 13: 00) Description: Application: Moisture resistant Lead Underlay Size: 25m x 1m Building paper is intended for use on smooth substrates including plywood, providing that its underside is ventilated. It is also a suitable for natural stone surfaces. When used on smooth concrete or screed finishes it will prevent the free alkali released by drying cement attacking the lead sheeting.