We use cookies to ensure a smooth, secure, and ever-improving experience on our website. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
MI-Flash - No 4 Metal Grey SILICONE 76-152mm 250x250 (12-4HT)
Discover the superior performance of the MI-Flash No. 4 Metal Grey Silicone Flashing by National Flues. Our premium silicone flashing is tailored for both profiled sheeting and flat panel surfaces, delivering unmatched durability under extreme conditions. As a market leader in high temperature resistance and weatherproofing, this product sets the benchmark for quality silicone flashings in the UK. Whether you are a retail customer or a professional tradesperson, our MI-Flash No. 4 is the perfect choice for your roofing and pipe sealing requirements, ensuring a secure and long-lasting installation.
Hover to Zoom / Click for Gallery
In Stock
£18.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
High-grade Grey Silicone for enhanced durability
Temperature resistance from -74°C to 260°C
Suitable for both profiled sheeting and flat panel surfaces
Rapid installation with a one-piece design and supplied Fixing Kit
Versatile base fits most panel configurations and roof pitches
×
Email Product
Enter your email address to send the product details:
We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
The MI-Flash No. 4 Metal Grey Silicone Flashing 76-152mm is specifically designed for use with profiled sheeting and flat panel surfaces. With an impressive temperature resistance from -74°C to 260°C, it stands up to extreme conditions. Constructed from high-grade silicone, this flashing is built for maximum resistance to harsh weather elements including ozone and ultraviolet light.
Its one-piece design promotes quick, easy on-site installation—typically taking no longer than five minutes. The versatile base ensures a reliable seal on most panel configurations and roof pitches, regardless of pipe location. Installation is a breeze: simply choose the pipe opening, trim, slide the flashing over the pipe, form to the roof profile, apply sealant, and fasten using the supplied Fixing Kit.
SKU: 12-4HT
Technical Specifications
SKU
12-4HT
Base Size
250mm x 250mm
Pipe External Diameter
76-152mm
Roof Pitch
0-18u00b0
Temperature Range
225u00b0C Continuous - 260u00b0C Intermittent (Operational from -74u00b0C)
Flashing Material
High-grade Grey Silicone
Installation Method
One-piece design with supplied Fixing Kit (includes sealant, screws, and caps)
Installation is designed to be simple and efficient. Begin by selecting the appropriate pipe opening. If necessary, trim the flashing to suit the dimensions of your pipe and roof profile. Slide the flashing over the pipe, ensuring that it aligns properly with the surface. Form the flashing to closely follow the roof pitch. For an optimal seal, apply the provided sealant and secure the flashing with the included screws and cap Fixing Kit. Always check that the flashing is fitted snugly without any gaps to prevent water ingress. Optional accessories such as additional sealants or specialised trims can be sourced separately for bespoke installation needs.
The MI-Flash No. 4 Metal Grey Silicone Flashing is suitable for both profiled sheeting and flat panel surfaces.
This flashing offers impressive temperature resistance, ranging from -74°C to 260°C.
The flashing is made from high-grade silicone, ensuring maximum resistance to weathering caused by ozone and UV light.
Installation typically takes no longer than five minutes due to its one-piece design and user-friendly fixing kit.
The Fixing Kit includes sealant, screws, and caps for a secure installation.
To install, choose the pipe opening, trim if necessary, slide the flashing over the pipe, align to the roof profile, apply sealant, and secure with the fixing screws and caps.
Yes, the base design allows it to form a reliable seal on most panel configurations and roof pitches.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
If you need faster stove or fireplace delivery please give us a call.
We can often reduce longer lead times if we pay the carrier £25 for express delivery.
Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee.
Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.
Read our review in our MI-Flash - No 4 Metal Grey SILICONE 76-152mm 250x250 buyers guide
Comprehensive Buyers Guide for MI-Flash No. 4 Metal Grey Silicone Flashing
If you are considering upgrading your roofing system with a reliable and durable flashing solution, the MI-Flash No. 4 Metal Grey Silicone Flashing is a standout option. In this guide, we examine every facet of the product, explain its benefits, and provide insights into optional accessories that may enhance your installation.
Why Choose MI-Flash No. 4?
The MI-Flash No. 4 is designed to revolutionise your roofing maintenance and waterproofing strategies. Engineered with high-grade Grey Silicone, it is built to withstand severe weather conditions, a vital consideration in the UK. Whether it is enduring frigid winter temperatures down to -74°C or sustaining continuous heat up to 225°C (with intermittent peaks of 260°C), this flashing is robust enough to handle the extremes. The one-piece design significantly simplifies installation processes, reducing time and labour costs while ensuring a secure fit. Its versatile base is compatible with most pipe diameters spanning 76-152mm and adheres to various roof pitches from 0 to 18°.
Key Benefits and Features
- Quality Materials: Manufactured using premium Grey Silicone, the product ensures longevity even under aggressive weather conditions. This contributes to fewer maintenance requirements and a longer lifespan for your installation.
- Ease of Installation: The intuitive design means that you can complete the installation in as little as five minutes. The provided Fixing Kit, which includes sealant, screws, and caps, guarantees that even less experienced installers can achieve professional results.
- Versatility: Whether your building employs profiled sheeting or flat panel surfaces, the MI-Flash No. 4 adapts effortlessly. This flexibility makes it an excellent choice for a range of properties from industrial warehouses to modern residential projects.
- Cost-Effective: Priced competitively, the MI-Flash No. 4 offers excellent value compared to more labour-intensive alternatives. The materials and design reduce the need for expensive repairs or replacements in the future.
Installation Process and Tips
Proper installation is crucial for achieving maximum efficiency with any flashing product. Here’s a step-by-step process to get you started:
1. Preparation: Ensure the surface is clean and dry. Inspect the pipe and roof area for any irregularities that might affect the seal.
2. Measuring and Trimming: Measure the pipe opening. Trim the flashing if necessary for a more precise fit. Always use the tools recommended by the manufacturer to avoid damage.
3. Fitting the Flashing: Slide the flashing over the pipe, ensuring it covers the intended area completely. Adjust the positioning so that it conforms to the roof’s pitch and shape.
4. Sealing: Apply the provided sealant generously along the edges. This seals any minor gaps and fortifies the water-resistant barrier.
5. Securing: Use the supplied screws and caps from the Fixing Kit to secure the flashing firmly in place.
It is important to note that while the Fixing Kit is included, there are additional optional accessories such as extra-high performance sealants or trims that can be used to tailor the installation to unique design challenges. These optional accessories can be especially beneficial in more challenging environments where additional reinforcement is necessary.
Understanding Your Optional Accessories
When undertaking a flashing installation, it is worth considering available optional accessories. These items might include:
- Enhanced Sealants: For environments experiencing high levels of humidity or temperature fluctuations, a premium grade sealant might offer extra security.
- Specialised Trims: For non-standard pipe shapes or roof curves, bespoke trims can ensure a seamless finish.
- Additional Fastening Options: If your building demands extra reinforcement, supplementary screws or metal fixings might be required.
Exploring these accessories not only helps tailor your installation but also boosts the longevity and performance of the flashing. Always consult with a professional if you are unsure which additional components will best suit your specific project needs.
Maintenance and Long-Term Care
After installation, minimal maintenance is required. However, periodic inspections are advisable to ensure that the flashing remains secure and free of damage. Look for signs of sealant degradation or any separation from the roof or pipe. Early detection can help prevent costly repairs later. If you live in an area subject to extreme weather conditions, additional maintenance routines may be recommended.
Final Considerations
In summary, the MI-Flash No. 4 Metal Grey Silicone Flashing provides an ideal blend of durability, ease of installation, and versatility. Its robust design and high temperature resistance suit a broad range of applications, from commercial buildings to residential constructions. Moreover, the potential to integrate optional accessories means you can adapt the system to your unique requirements, ensuring a perfect seal and long-term performance.
Every element of the MI-Flash No. 4’s design has been crafted with the end user in mind, aiming to provide both superior functionality and ease of use. From its premium materials to its streamlined installation process, this flashing is engineered to be a long-lasting solution in any challenging environment. The cost-effective pricing further underscores its appeal, making it a smart investment for those looking to fortify their roofing infrastructure.
When it comes to choosing a reliable, efficient, and robust flashing, the MI-Flash No. 4 stands out as a market leader. Its impressive technical specifications combined with user-friendly installation and potential for custom enhancements ensure that this product meets all your roofing needs. Do not overlook the benefits of optional accessories that can further optimise performance and longevity. They provide an extra layer of protection and customization for your project.
We are confident that the MI-Flash No. 4 Metal Grey Silicone Flashing will exceed your expectations in every aspect. With its superior design and performance, it is the perfect choice for ensuring a secure, weatherproof seal for your pipes and roofing. Buy now or call 01670 206 999.
Compatible and other products that may be of interest...
