Cavity ventilator and weep hole duct for new build or refurbishment.
Retro-fitted through a 25mm dia. drilled hole.
Ideal solution when no provision has been made for cavity venting or
weeps or an insufficient number have been installed.
External fins provide a lock-tight fit.
Front louvres protect against rain and large insects.
Flange covers drilling for a neat finish.
Clear colour blends with any facing brick or render to maintain the
Use in timber frame and traditional build.
Drill a 25mm dia. hole through the external leaf at a slightly upward angle. Position the front louvres horizontally using the 'top' marker on the flange as a guide. Firmly push Rytons Retro Weep Vent into the pre-drilled hole, ensuring the front louvres are kept horizontal at all times, until the external flange sits tight and flush with the wall (may be tapped lightly into position using a rubber mallet). Space according to current regulations at the top and bottom of the wall to ventilate the cavity and assist in the drying out of the wall. Lower ventilators should be placed below the dpc. Where cavity trays are used position above the tray. Vertically stagger vents when placing them above and below horizon¬tal fire stops. As weep outlets space every fourth brick to drain cavities above and below the dpc and above lintels and cavity trays.
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Rytons are a manufacturer of natural building ventilation. We make anything from specialist acoustic core ventilators to standard air bricks and louvre grilles.