Greengates Builders Merchants

Mad Cowl


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Strap fix Mad Cowl for use with existing chimmney pot.  Excellent anti down draft performance and can be used with all fuels.

The new M.A.D Cowl is an innovation in design of a streamline, multi fuel anti-down draught cowl. Using our vast knowledge in designing chimney cowls, we aimed to create a cowl that provides all the aerodynamic down draught protection qualities, of the M.A.D Senior Cowl, whilst being compact and suitable for the modern housing market. This product is tested to BS715: 1993 standard and against BSEN 1856 part 2 as being suitable for all fuel types including gas.

  • Fully assembled, ready to fit with stain­less­steel Birdguard
  • No special tools required
  • Available with stainless steel bolt or strap fixings
  • Suitable for Flue temperatures up to 200oC
  • Manufactured from 1.6 test house approved aluminium.
  • Suitable for gas, oil, seasoned wood and normal coal also heatas approved smokeless fuel can be used.

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Area Covered

Deliveries can be made throughout most of Lancashire, appro­ximately 20 miles radius from our depot at Accrington, Lancashire.

Other locations may also be arranged for direct loads from our suppliers e.g. full loads of bricks or blocks.

Vehicle Types

We operate 3 crane offload vehicles:

  • Our smallest vehicle can carry approx 5 ton.
  • Our middle sized vehicle can carry approx 7.0 ton and has a tipping facility for loose sand and aggregates.
  • Our largest vehicle can carry approx 8.0 ton and also has a tipper facility.


Pricing will vary depending on the goods required and distance travelled.

We can offer very competitive rates for delivery — please contact us for more details.