OX Pro Aluminium Metric Rafters Square - 300mm 
Thompson's Water Seal - 5L 
FloPlast Half Round Gutter 90° Bend, Brown – 112mm 
Thompson's One Coat Waterseal - 1L 
Cromar Bitumen Primer – Black 1 Litre 
Everbuild 701 Non-Slip Tile Adhesive – White 3.75kg 
Everbuild Everflex 125 One Hour Caulk Magnolia 300ml (Box of 25) 
FloPlast Half Round Gutter 135° - Black 
Everbuild Black Jack 904 Roof Felt Adhesive – 5 Litre 
Soudal Trade All Weather Sealant - Clear 290ml 
FloPlast Half Round Gutter Union, Brown 
Cromar Vent 3 Classic Breathable Membrane - 1m x 50m Undercloak
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Undercloak
The undercloak is a strip of material that goes underneath the verge to hold the mortar in place. Since the verge of the roof will overlap the wall of the house on a pitched roof, something is needed to go under the verge to cover the excess mortar. At ERoofing, we sell undercloaks made of fibrous cement.
Will my roof need an undercloak?
Only roofs that are being constructed using “wet” methods (i.e. with the tiles actually mortared in place) will need an undercloak. Roofs that are constructed using totally dry fix methods have no mortar and will therefore not need a mortar.
Are these undercloaks of a good standard?
Autoclaving is a steaming and heating process. Our undercloaks have been autoclaved in order to maximise their moisture resistance. The fibrous cement makeup of the undercloaks means they meet all official, professional standards required for fire safety.
