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Manthorpe G952 Refurbishment Weep Vent White - Box of 50

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£27.62 Incl. VAT
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The G952 Refurbishment Weep Vent is designed to provide cavity wall ventilation to existing walls to solve the problem of missing or inadequate ventilation. It is particularly useful in rendered wall constructions where it is notoriously difficult to use traditional built-in weep vents. Quick and easy to install, the Refurbishment Weep Vent is available in a variety of colours to suit most common brick, stone and render finishes.


Installed in a 25mm diameter drilled hole.
Louvred chevron grill to help protect against wind-driven rain & insect ingress.
The external flange covers any damage to the substrate caused by the drilling.
Drip rib ensures clean moisture runoff.
Tube ribs ensure easy lead into the hole and help retain the vent in position.

Mark out the locations for the vents and drill a 25mm diameter hole through the external leaf of the wall into the cavity at a slight upward angle at these points. Ensure that the hole is clear and free of debris before proceeding

Align the tube with the hole, making sure to have the chevrons of the front grill pointing upward and the flat edge of the drip feature horizontal, running parallel with the run of the wall. Push the vent firmly into the hole using the palm of your hand until the back face of the flange sits flush against the substrate. As the ribs along the length of the tube grip to hold the product in position, it may require more force to push the vent into the hole, it is acceptable to gently tap the vent into position using a rubber mallet.

The vents can be positioned at a high or low level to suit the required detail and should be placed at both high and low level to achieve a cross-flow ventilated cavity if required.

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3 / 5 2 reviews
Kathy A
18th January 2021
Hideously overpriced for a bit of plastic tube with a vent in the end. Made of brittle plastic which snaps unless you are EXTREMELY gentle if you try to remove from or rotate the vent in its 25mm hole. If you want the vents to fit snugly into a 25mm hole you will need to trim the ridges on the sides of the vent or it will jam in the hole and then break as you try to fish it out. No instructions provided - are you supposed to drill through the external block work to the cavity or not before inserting the weep vent?? For info, inserts for 25mm MDPE pipe which I use are made of better quality plastic, will fit the 25mm hole and are about half the price.
larry . Galway. Ireland
12th July 2020
Perfect fit. 25mm bit
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