Low profile invisible tunnel weep vents, pack of 10. Suitable for commercial and domestic use, sat...Low profile invisible tunnel weep vents, pack of 10. Suitable for commercial and domestic use, satisfying NHBC standards. Manufactured to BS EN ISO 9001. Dimensions: 100mm x 64mm x 10mm. The product slots between two bricks and mortared into position, providing an unobtrusive ventilation point for the cavity behind. Use in any situation where water must be discharged from an external wall, such as at ground floor slab level, within cavity tray systems, over external lintels, or where a cavity must be ventilated on external walls 100mm or more in thickness built from brick, block or stone. Features include purpose-made and pre-formed design for reliable water discharge, less prone to inadvertent pointing-up than open perp joints, and an integral front grille with a 4mm wide aperture to prevent entry of large nest building insects. Available in a range of colours to blend with brick or mortar. Quality manufactured to BS EN ISO 9001 and BS EN ISO 14001, meeting British standards; BS5250, BS8000, BS5628, BS8215. Satisfies all NHBC requirements and complies with all relevant Building Regulations - Approved Document C.
Low profile invisible tunnel weep vents, pack of 10. Suitable for commercial and domestic use, satisfying NHBC standards. Manufactured to BS EN ISO 9001. Dimensions: 100mm x 64mm x 10mm. The product slots between two bricks and mortared into position, providing an unobtrusive ventilation point for the cavity behind. Use in any situation where water must be discharged from an external wall, such as at ground floor slab level, within cavity tray systems, over external lintels, or where a cavity must be ventilated on external walls 100mm or more in thickness built from brick, block or stone. Features include purpose-made and pre-formed design for reliable water discharge, less prone to inadvertent pointing-up than open perp joints, and an integral front grille with a 4mm wide aperture to prevent entry of large nest building insects. Available in a range of colours to blend with brick or mortar. Quality manufactured to BS EN ISO 9001 and BS EN ISO 14001, meeting British standards; BS5250, BS8000, BS5628, BS8215. Satisfies all NHBC requirements and complies with all relevant Building Regulations - Approved Document C.