Roof Flashings
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Round Master Flash
Aztec Washer Company
£66.08 Inc. VAT£55.07 Ex. VATThe Round Master Flash is a versatile flashing that can be used to cover flues and pipes on metal roofs. The Round Master Flash is designed to accommodate vibration and pipe movement caused by expansion and contraction. Each...£66.08 Inc. VAT£55.07 Ex. VAT -
Fix A Flash (Closed)
Aztec Washer Company
£121.63 Inc. VAT£101.36 Ex. VATThe Fix a Flash is a versatile flashing that can be used to cover flues and pipes on metal roofs, it can be used to cover a redundant hole on a roof offering water protection. The Fix A Flash is designed to accommodate vibration and pipe...£121.63 Inc. VAT£101.36 Ex. VAT -
Master Flash Standard
Aztec Washer Company
£17.53 Inc. VAT£14.61 Ex. VATThe Master Flash Standard is a versatile flashing that can be used to cover flues and pipes on metal roofs. The Master Flash Standard is designed to accommodate vibration and pipe movement caused by expansion and contraction. Each...£17.53 Inc. VAT£14.61 Ex. VAT -
Extreme Angle Master Flash
Aztec Washer Company
£52.24 Inc. VAT£43.53 Ex. VATThe Extreme Angle Master Flash is a versatile flashing that can be used to cover cold flues and pipes on metal roofs. A unique feature of the Master Flash is its Extreme Angled up stand which allows installation between 35° - 65°, accommodating...£52.24 Inc. VAT£43.53 Ex. VAT -
Seldek Nu Lead Flashing
Deks Roof Flashing
£84.41 Inc. VAT£70.34 Ex. VATThe Seldek Nu Lead flashing features an acrylic surface covering that stops the lead oxides escaping. This means that the Nu Lead flashing is much safer and easier to work with. The unique coating does not affect the lead's malleability, and prevents...£84.41 Inc. VAT£70.34 Ex. VAT -
Dektite Premium Silicone Red
Deks Roof Flashing
£43.62 Inc. VAT£36.35 Ex. VATThe Dektite Premium Silicone Red is a multi-application flashing in a highly durable EPDM, its edged with a flexible aluminium band, flashes hot or cold flues and pipes on metal roofs. The square base fits any prepared hole on most roof...£43.62 Inc. VAT£36.35 Ex. VAT -
Seldek Aluminium EPDM Black
Deks Roof Flashing
£55.45 Inc. VAT£46.21 Ex. VATSeldek Aluminium EPDM Black roof flashing Installs in a flash on tile or slate roofs and won't stain or corrode roofs and gutters. The EPDM cone, which is trimmed on-site to fit, is locked to a high grade and malleable 99.9% pure aluminium base. Its a...£55.45 Inc. VAT£46.21 Ex. VAT -
Dektite Diverter EPDM Black
Deks Roof Flashing
£91.75 Inc. VAT£76.46 Ex. VATThe Dektite Diverter EPDM Black can be used for Hi/Low roof pitches no ponding or damming! The large base of the Dektite Diverter dramatically reduces and diverts rain water back up that can occur on very low or high pitched roofs and deep ribbed roofing...£91.75 Inc. VAT£76.46 Ex. VAT -
Res-Lead Master Flash
Aztec Washer Company
£119.95 Inc. VAT£99.96 Ex. VATThis Res-Lead Master Flash is designed for use on concrete or profile tiled roofs where standard aluminium flashing simply can't shape around the wave or step in decorative roof tiles. The base is manufactured from an Environmentally safe...£119.95 Inc. VAT£99.96 Ex. VAT -
Residential Master Flash (Aluminium Base)
Aztec Washer Company
£32.21 Inc. VAT£26.84 Ex. VATThe Residential Master Flash is an aluminium flashing with a rubber up stand that can be used on flat tiled or slated roofs. The Residential Master Flash incorporates an angled up stand which is designed for roof pitches between...£32.21 Inc. VAT£26.84 Ex. VAT -
Dektite Premium EPDM Black
Deks Roof Flashing
£34.06 Inc. VAT£28.38 Ex. VATThe Dektite Premium EPDM Black is a versatile flashing that can be used to cover cold flues and pipes on metal roofs. A unique feature of the Dektite is its square base which allows for easy installation in just about any prepared hole, regardless of...£34.06 Inc. VAT£28.38 Ex. VAT -
Dektite Fixing Kit
Deks Roof Flashing
£18.22 Inc. VAT£15.18 Ex. VATThe Dektite fixing kit is designed for use with Deks EPDM and Silicone flashings on metal roofs. The DFK1-FX901 kit (As shown) contains 1 x 75ml tube of low modulus Silicone, 25 x self- drilling screws, 25 x colour caps (silver) 1 x fixing instruction...£18.22 Inc. VAT£15.18 Ex. VAT
Nationwide Chimney Components offers a carefully selected range of durable and cost-effective roof flashings suitable for flat, conservatory, corrugated, felt, concrete, and profile tiled roofs. These flashings accommodate various pipe sizes and ensure a robust solution for your roofing needs. When installing a flue system, a hole larger than the flue pipe must be cut through the roof to maintain safe clearances from combustible materials. For instance, a twin wall flue pipe with a 200mm diameter may require a roof hole of at least 300mm.
Roof flashings are essential at this point, providing a weatherproof seal that covers the gap with a base plate and silicone collar to ensure a watertight fit. We offer flashings from renowned brands such as Dektite and Aztec Washer Company, known for their high-quality products that simplify stove or flue system installations. Unlike traditional lead flashing, which requires expert installation and can be time-consuming or costly, these alternatives are easier to fit and offer similar durability.
Available in both high and low-temperature options, these flashings resemble lead in appearance, with the same colour and texture, making them difficult to distinguish from genuine lead flashings. Our flashings also come in a variety of thicknesses, ensuring you find the right fit for your project. Explore our extensive selection to discover the perfect solution for your next twin wall flue system installation.