Flashings

At Flue Supplies, we supply a wide range of 150mm (6 inch) roof flashings for twin wall flue systems which include everything you need to weatherproof your home. Our range includes lead slates, storm collars, lead flashing, and silicone flashings. 

Our silicone flashings are made of EPDM and they are specifically compounded for maximum resistance to weathering, whether it’s ultraviolet light or ozone. The base on these flashings is designed to form a seal around most panel configurations and roof pitches irrespective of the location of the pipe. 

The Seldek Nu-Lead pipe flashings feature lead that is coated with Acrylead, which is an acrylic protective covering that prevents the lead oxides from escaping. Not only does this mean that the Nu-Lead flashing is safer to work with, but it also will not corrode or stain your roof and gutters. The Acrylead coating also acts as a primer which enables you to paint the flashing with any colour to match your roof. 

If you’re looking for 150mm (6 inch) twinwall flue flashings, then take a look at our selection of products below. 


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Lead Slate 0°-35° - TWPro 150mm (int 225mm)

APPLICATIONSuitable for tiled and slate roofs.We would recommend this for the 6" inch Twin Wall syst..

Our Price (ex VAT): £88.74 Inc VAT: £106.48

Lead Slate 36°-45° - TWPro 150mm (int 225mm)

APPLICATIONSuitable for tiled and slate roofs.We would recommend this for a 6" Twin Wall systemINSTA..

Our Price (ex VAT): £99.41 Inc VAT: £119.29

MI-Flash - No 7 Metal Grey SILICONE 152-280mm 355x355

APPLICATIONSuitable for profiled sheeting and flat panel surfaces and is temperature resistance -74°..

Our Price (ex VAT): £55.00 Inc VAT: £66.00

MI-Flash - No 8 Metal Grey SILICONE 178-330mm 435x435

APPLICATIONSuitable for profiled sheeting and flat panel surfaces and is temperature resistance -74°..

Our Price (ex VAT): £68.12 Inc VAT: £81.75

No 2 Tile Black EPDM 175-275mm AL-760x660

APPLICATIONSuitable for tiled roofs and is temperature resistance -55°C to 135°CCONSTRUCTIONEnvironm..

Our Price (ex VAT): £50.99 Inc VAT: £61.19

RES 2 EPDM Flashing 175-275mm (7-11 inch) - Low Temp

Suitable for tiled roofs with external pipe diameters of 7inch to 12inch (175mm to 300mm), the alumi..

Our Price (ex VAT): £49.13 Inc VAT: £58.95

Storm Collar dia 150mm - Black

Our range of 150mm black storm collars is suitable for use with twin wall and insulated flue pipes t..

Our Price (ex VAT): £20.98 Inc VAT: £25.17

No 7 EPDM Masterflash 152-280mm (6 to 11 inch) - Low Temp.

Suitable for profiled sheeting and flat panel surfaces with external pipe diameters of (6 to 11 inch..

Our Price (ex VAT): £73.00 Inc VAT: £87.61

No 8 EPDM Masterflash 178-330mm (7 to 13 inch) - Low Temp.

Suitable for profiled sheeting and flat panel surfaces with external pipe diameters of (7 to 13 inch..

Our Price (ex VAT): £80.77 Inc VAT: £96.93

RES 2 SILICONE 200-275mm (8-11 inch) - High Temp.

Suitable for tiled roofs with external pipe diameters of 8inch to 12inch (200mm to 300mm), the alumi..

Our Price (ex VAT): £90.95 Inc VAT: £109.13

Standard Fixing Kit

ONE kit is required for No.3, No.4, No.5 and No.6, TWO kits required for No.7 and No.8, THREE kits r..

Our Price (ex VAT): £12.10 Inc VAT: £14.52