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Manthorpe Building Products Ltd
Building Materials ">> Brickwork & Blockwork > Air Bricks & Cavity Ventilation

The G950 Weep Vent is used to drain lintels, cavity trays and to ventilate cavity walls, while the G951 Peep Weep provides a discrete, hidden solution to cavity wall drainage requirements.


The Manthorpe G950 Weep Vent is used to drain lintels, cavity trays and to ventilate cavity walls.


The product can be slotted between two bricks and mortared into position. It provides an unobtrusive ventilation point for the cavity behind.


The vent has a baffled grille to prevent the ingress of driving rain and wind whilst incorporating an insect grille and drip lip.


This grille is sized to keep out large insects but is wide enough that it will not be blocked by debris, paint or water droplets.


When used with the Manthorpe range of catchment trays the Weep Vent should be placed in the furthest corner away from the finished roof line.


The Weep Vent should be spaced at no greater than 900mm centres to meet N.H.B.C guidelines, which state, “weep holes are recommended to be sited at every 450mm maximum with at least two per opening above all windows and doors.”


Key Features

Drains lintels and cavity trays

Provides 220mm² ventilation airflow

Replaces a single mortar joint.


Fitting Requirements

The G950 Weep Vent should be simply fitted in open perp joints and mortared in position. When used with Manthorpe’s range of catchment trays

the Weep Vent should be placed in the furthest corner away from the finished roof line as shown.


The G950 Weep Vent should be spaced at no greater than 900mm centres above DPC but to meet N.H.B.C guidelines and weep holes are recommended to be sited at every 450mm with at least two per opening above all windows and doors.


Certifications

N/A


Regulations & Standards

BRE Digest 262


BS 5250:2011 Control of Condensation in Building


NHBC Standards 6.2 External timber framed walls


The Building Regulations (Scotland) 3.10.6 Masonry outer leaf.


G950 - Weep Vent

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Specification Details for G950 - Weep Vent (Air Bricks & Cavity Ventilation)

Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Manthorpe Building Products Ltd is consulted before specifying.

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