Brickwork Ventilation

This underfloor ventilator is adaptable for up to five brick courses, ensuring optimal airflow in suspended ground floors. It features an inbuilt grille for pest prevention, with vertical adjustability between 225mm-375mm and a requisite minimum cavity width of 50mm. Complies with standard ventilation and delivers consistent, high-grade performance.

Telescopic Underfloor Vent

The Manthorpe G950 Weep Vent is used to drain lintels, cavity trays, & ventilate cavity walls. The product can be slotted between two bricks & mortared in place. By placing it behind the cavity, a ventilation or drainage point is provided without being intrusive. The vent has a baffled grille to prevent the ingress of driving rain & wind whilst incorporating an insect grille & drip lip. Despite its size, this grille is wide enough to prevent debris, paint, or water drops from blocking it. The Weep Vent should be placed at the furthest corner away from the finished roof line when used with the Manthorpe catchment trays. 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 & doors.

Buff Weep Vent 9 x 65mm

The Vertical Extension Sleeve is devised for use with telescopic underfloor ventilators, enabling an additional two brick courses in height. Ideal for larger cavities, it can also extend horizontally when fitted to the base of vents. Ensures standard compliance and enhances underfloor ventilation in varying construction situations.

Underfloor Ventilation Vertical Extension Sleeve

The Dual Extended Underfloor Ventilator is designed to meet all current and future regulations. Catering for increased thermal insulation needs in suspended floors, it accommodates wider cavities for extra cavity wall insulation. It effectively manages difficult underfloor void access, even up to 525mm below an airbrick or 350mm from the outer face of an external leaf.

Dual Extended Underfloor Ventilator

Provides an unobtrusive solution to cavity wall drainage requirements

Please note: This item is a plastic component & therefore is not suitable for use within a) the external walls of buildings more than 11m high where people sleep on the premises (residential, institutional or hospitality) or b) external wall surfaces within 1m of the boundary if the building is 11m high or less, in England. For a compliant alternative see Rytons A1 Fire Rated Metal Rytweep Cavity Weep Vent.
Features a mortar key to ensure adhesion to the building fabric & an external rib to aid positioning
The protective hood is designed to guard against blockage during installation & stops penetration of wind driven rain


Clear Weep Vent 9 x 115mm

This 9 x 6 white grille is a high-grade plastic vent for covering cavity sleeve openings. With an elegant design, it efficiently balances airflow and limits draughts. Perfect for internal use, this hit and miss vent enhances ventilation and aesthetic appeal.

Hit & Miss Grille 9 X 6 White

Clear Concealed Weep Hole Duct 101 x 10mm (Qty.200)

The White Ventilation Grille (229mm X 78mm) is ideal for larders, closets, and wardrobes, allowing adjustable ventilation. Easy to install, with detachable flyscreen and four No.8 screws, it fully conceals a single brick aperture. It's durable, simply clean with soapy water. Note: Not suitable for ventilating gas appliances.

White Hit And Miss Ventilation Grille 229mm X 78mm

Cavity liner for use with air bricks to form a duct through walls to assist ventilation.
Free air space 4624mm2
Suitable for new build and refurbishment projects
Buff colour resistant to fading
Resistant to frost and the freeze/thaw cycle

Hepworth Cavity Liner 215 x 65 x 200mm YB11

Cavity liner for use with air bricks to form a duct through walls to assist ventilation.
Free air space 4624mm2
Suitable for new build and refurbishment projects
Red colour resistant to fading
Resistant to frost and the freeze/thaw cycle

Hepworth Cavity Liner 215 x 215 x 200mm YB15

Cavity liner for use with air bricks to form a duct through walls to assist ventilation.
Free air space 2890mm2
Suitable for new build and refurbishment projects
Buff colour resistant to fading
Resistant to frost and the freeze/thaw cycle

Hepworth Cavity Liner 215 x 140 x 200mm YB13

Red Bank manufactures all the clayware essentials you need to make your clayware project a success, no matter what its architectural style may be. There is a wide range of products available from clay roof ridges, air bricks, liners, to round and cannon top chimney pots, concrete flue systems, and much more. This terracotta flue vent is suitable for a redundant flue.

Forterra Red Bank Flue Ventilator 190mm

The Manthorpe G950 Weep Vent is used to drain lintels, cavity trays, & ventilate cavity walls. The product can be slotted between two bricks & mortared in place. By placing it behind the cavity, a ventilation or drainage point is provided without being intrusive. The vent has a baffled grille to prevent the ingress of driving rain & wind whilst incorporating an insect grille & drip lip. Despite its size, this grille is wide enough to prevent debris, paint, or water drops from blocking it. The Weep Vent should be placed at the furthest corner away from the finished roof line when used with the Manthorpe catchment trays. 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 & doors."

White Weep Vent 9 x 65mm

Featuring a steadily open vent, this 9 x 9 white plastic Louvred vent facilitates visible airflow. Its design is in compliance with the standards set by BS5440 Part 2 2000 and BS EN 13141-1:2004, ensuring quality and reliability. While being versatile, it is particularly suited for ventilation and is easy to install.

Plastic Louvred Vent 9 x 9 White

This white wall outlet with gravity flaps is ideal for externally covering a hole in the wall of your dwelling. Designed with quality and compliance in mind, it caters to a variety of users due to its myriad applications.

Wall Outlet With Gravity Flaps, White

The white Cowled Wall Outlet with a Damper is ideal for optimal ventilation in various domestic facilities like kitchens, bathrooms and utility rooms. It upholds industry standards for quality and efficiency, managing moisture and air quality for a comfortable indoor environment.

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