Roof Cowl Installation

All have removeable weathering cowls to facilitate ease of use and the ability to add services at a later date all can be used with virtually any roof covering material and are capable of being fitted to existing roofs.

Roof cowl installation.

The vhe roof cowl can be used for air intake and ejection in both industrial and residential buildings. Complete roofing to one course below the position for the slate vent. The unitex roof cowl system greatly simplifies the roof termination of mechanical ventilation systems. Roof cowls to suit both vsr esr roof fans.

Step 3 install chimney cowl. If the fan inlet is less than 2 3m high a suitable guard must be fitted. For 500mm x 250mm slates only cut and remove section of batten. Never set up a ladder with its feet at different heights.

These fittings are for use with smaller service penetrations such as cables and smaller flexible pipes. It is possible for leaves and other debris to collect along the outside screen which will reduce draft inside your chimney. If you are using an inside mount cowl on a metal flue do not use the sealant. These cowls and roof fans are designed for either kerb or purlin box mounting on a flat or inclined roof.

The cowl will normally be fitted to the upstand by a roofing contractor or builder. If you are using an inside mount cowl on a tile flue caulk it into place with silicone sealant. Overall chimney cowl installation. They can be purchased for either a tiled or metal roof and include all the parts you need to install the roof mounted vent easily.

Consisting of an attractive epoxy finished cowl with a lead weather slate and a range of direct connection reducing fittings. Vhe roof cowl are made of galvanised sheet metal the inlet is protected with steel mesh. The cowl can be fitted without shutters on a 0 60 degree pitched roof with its longer side running down the roof slope. The cowl can be fitted with its longer side running across a slope of less than 85 degrees from the horizontal.

The product is available on request with a female connection and or made from stainless steel or aluminium sheet. The device is easy to install just make sure you purchase a size that properly fits your flue. To solve this issue simply remove the cowl and clean it when necessary. Extract roof cowls are fitted with a protection.

Cowl or roofline vents for slate roof. Roof cowls for the extraction supply of air are made of galvanized steel sheet as a standard. It is suitable for connection to spiral duct soil pipe and flexible duct from 125 to 250mm diameter. If the roof is sharply sloped or the chimney is very high consider hiring a professional.

See below for dimensions and method of mounting. The bottom part is a male connector for mounting to the roof base. Have an assistant hold the ladder while you climb it.