Roof Cowl Installation

For 500mm x 250mm slates only cut and remove section of batten.

Roof cowl installation.

Never set up a ladder with its feet at different heights. The cowl can be fitted with its longer side running across a slope of less than 85 degrees from the horizontal. Roof cowls to suit both vsr esr roof fans. If you are using an inside mount cowl on a tile flue caulk it into place with silicone sealant.

The cowl can be fitted without shutters on a 0 60 degree pitched roof with its longer side running down the roof slope. Step 3 install chimney cowl. If you are using an inside mount cowl on a metal flue do not use the sealant. Have an assistant hold the ladder while you climb it.

These cowls and roof fans are designed for either kerb or purlin box mounting on a flat or inclined roof. Cowl or roofline vents for slate roof. If the roof is sharply sloped or the chimney is very high consider hiring a professional. It is suitable for connection to spiral duct soil pipe and flexible duct from 125 to 250mm diameter.

The device is easy to install just make sure you purchase a size that properly fits your flue. Complete roofing to one course below the position for the slate vent. 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. The unitex roof cowl system greatly simplifies the roof termination of mechanical ventilation systems.

If the fan inlet is less than 2 3m high a suitable guard must be fitted. The vhe roof cowl can be used for air intake and ejection in both industrial and residential buildings. Our range of roof cowl kits allow for extraction of air via the roof. Roof cowls for the extraction supply of air are made of galvanized steel sheet as a standard.

The bottom part is a male connector for mounting to the roof base. Consisting of an attractive epoxy finished cowl with a lead weather slate and a range of direct connection reducing fittings. See below for dimensions and method of mounting. The product is available on request with a female connection and or made from stainless steel or aluminium sheet.

To solve this issue simply remove the cowl and clean it when necessary. The cowl will normally be fitted to the upstand by a roofing contractor or builder. Overall chimney cowl installation. These fittings are for use with smaller service penetrations such as cables and smaller flexible pipes.

Hold vent in position as centrally as possible between the rafters and mark where the vent spigot touches the underlay. It is possible for leaves and other debris to collect along the outside screen which will reduce draft inside your chimney. Extract roof cowls are fitted with a protection.