Size 1 x 70mm dia. (3").
• Cavity wall vent and weep in one
• Ventilation area
1m long. Designed to prevent vermin entering the roof
A self-adhesive bitumen strip which bonds instantly to
Prevents felt from sagging at eaves level and subsequen
For collection only
Ventilation area 6,000mm2
Vertical adjustment 3-4 brick courses. Suitable for cav
Used with part (code 38967) to extend overall depth of
Solvent-based bitumen primer. Apply to porous, rough, d
Size: 2 x 76mm (3") holes
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