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High Temp Silicone for Metal Roofs | Durable Sealant | National Flues

Discover the superior quality of High Temp Silicone products for metal roofs at National Flues. Our High Temp Silicone range includes Silicone Masterflash products designed for various pipe sizes to ensure a secure and long-lasting seal. The AZTEC High Temp Silicone sealant boasts exceptional heat resistance properties, making it ideal for high-temperature applications. Whether you need to flash pipes on your metal roof or seal roof penetrations, our High Temp Silicone products offer reliable performance and durability.
Discover the superior quality of High Temp Silicone products for metal roofs at National Flues. Our High Temp Silicone range includes Silicone Masterflash products designed for various pipe sizes to ensure a secure and long-lasting seal. The AZTEC High Temp Silicone sealant boasts exceptional heat resistance properties, making it ideal for high-temperature applications. Whether you need to flash pipes on your metal roof or seal roof penetrations, our High Temp Silicone products offer reliable performance and durability.


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£20.99 £397.99
Showing 11 of 11 items
MI-Flash - No 7 Metal Grey SILICONE 152-280mm 355x355

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

12-7HT
£28.99 (including VAT)
In stock
MI-Flash - No 8 Metal Grey SILICONE 178-330mm 435x435

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

12-8HT
£46.99 (including VAT)
In stock
No 9 Silicone Mi-Flash 304-457mm (10 to 18 inch) - High Temp.

No 9 Silicone Mi-Flash 304-457mm (10 to 18 inch) - High Temp.

12-9HT
£89.99 (including VAT)
In stock
No 3 Silicone Masterflash 6-102mm (1/4 to 4 inch) - High Temp.

No 3 Silicone Masterflash 6-102mm (1/4 to 4 inch) - High Temp.

32-302
£20.99 (including VAT)
In stock
No 4 Silicone Masterflash 76-152mm (3 to 6 inch) - High Temp.

No 4 Silicone Masterflash 76-152mm (3 to 6 inch) - High Temp.

32-402
£27.99 (including VAT)
In stock
No 6 Silicone Masterflash 127-228mm (5 to 9 inch) - High Temp.

No 6 Silicone Masterflash 127-228mm (5 to 9 inch) - High Temp.

32-602
£35.99 (including VAT)
In stock
No 5 Silicone Masterflash 102-178mm (4 to 7 inch) - High Temp.

No 5 Silicone Masterflash 102-178mm (4 to 7 inch) - High Temp.

32-502
£29.99 (including VAT)
Out of stock
No 7 Silicone Masterflash 152-280mm (6 to 11 inch) - High Temp.

No 7 Silicone Masterflash 152-280mm (6 to 11 inch) - High Temp.

32-702
£61.99 (including VAT)
Out of stock
No 8 Silicone Masterflash 178-330mm (7 to 13 inch) - High Temp.

No 8 Silicone Masterflash 178-330mm (7 to 13 inch) - High Temp.

32-802
£76.99 (including VAT)
Out of stock
No 9 Silicone Masterflash 254-467mm (10 to 18 inch) - High Temp.

No 9 Silicone Masterflash 254-467mm (10 to 18 inch) - High Temp.

32-902
£132.99 (including VAT)
Out of stock
MAXI Silicone Masterflash 330-660mm (13 to 26 inch) - High Temp.

MAXI Silicone Masterflash 330-660mm (13 to 26 inch) - High Temp.

32-952
£397.99 (including VAT)
Out of stock
Your High Temp SILICONE Questions Answered

What are the key features of High Temp Silicone sealants? -

High Temp Silicone sealants are formulated to withstand temperatures ranging from -50u00b0C to 300u00b0C, making them ideal for high-heat applications. These sealants offer excellent adhesion to metal surfaces and provide a durable, weather-resistant seal.

How do I choose the right size of Silicone Masterflash for my metal roof pipes? +

Are High Temp Silicone sealants suitable for outdoor use? +

Can I paint over High Temp Silicone sealants? +

How long does it take for High Temp Silicone sealants to cure? +

Are High Temp Silicone sealants flexible? +

Do I need special tools to apply High Temp Silicone sealants? +

Can I use High Temp Silicone sealants on other materials besides metal? +

When it comes to sealing pipe penetrations and flashings on metal roofs, using a high-quality silicone sealant is paramount. At National Flues, our High Temp Silicone products are specially formulated to withstand extreme temperatures, ensuring a tight and durable seal for your metal roof installations. Our range of Silicone Masterflash products caters to various pipe diameters, providing a versatile solution for different roofing projects. AZTEC High Temp Silicone is trusted for its superior performance in high-temperature environments, making it a preferred choice for professionals and DIY enthusiasts alike. Ensure a leak-proof and weather-resistant seal on your metal roof with our reliable High Temp Silicone sealants.
Why Buy High Temp SILICONE Products
High Temp Silicone sealants are essential for creating watertight seals around pipe penetrations and flashings on metal roofs. These durable sealants are designed to withstand elevated temperatures, making them suitable for use in high-heat applications such as chimneys, flues, and industrial pipes. High Temp Silicone products offer excellent adhesion to metal surfaces, ensuring a secure bond that can withstand thermal expansion and contraction. Whether you are installing a new metal roof or need to repair existing flashings, High Temp Silicone sealants provide a reliable and long-lasting solution. Trust National Flues for premium quality High Temp Silicone sealants that deliver exceptional performance and weather resistance.

Trusted By Trade Professionals

Our High Temp SILICONE products and services are trusted by hundreds of professionals nationwide. We're committed to providing quality and reliability that meets the high standards of our customers.

Dedicated Support

Experience our unparalleled customer service and support when you buy High Temp SILICONE from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

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