How to install Top Wall Flashing - Polycarbonate Roof| Snapa

Installing roof flashing? This is how to properly install a top wall flashing on a polycarbonate roof.
Read on for our full roof flashing installation guide: www.clearamber.com/news/135/H...
The Snapa® Top Wall Flashing creates a better, easier and neater way to flash off the back of your polycarbonate roof. Designed to remove the unsightly look of flashing tape or lead, the Top Wall Flashing is colour matched to the Snapa Glazing bars to create a neat finish. No reason to dampen your roofs look with
Manufactured from aluminium this polycarbonate roof flashing has an excellent life expectancy that will provide a long-lasting waterproof finish. What’s more, the Top wall flashing works comes with two fixing angle options ensuring that it works with a wide range of different roof pitches.
A roof to wall flashing can be hard to perfect and properly waterproof with flashing tape so the top wall flashing offers a stronger and more watertight flashing solution.
Other common roof flashing questions we cover:
Why use a Top Wall Flashing for a Polycarbonate Roof?
Why is a top wall flashing better than a lead roof flashing?
What colours is the Top Wall Flashing available in?
Does this wall flashing work with twinwall polycarbonate, solid glazing and glass?
Are there different Top Wall Flashings for different glazing bar systems?
We also manufacture a corrugated roof flashing to suit our Corrapol Bitumen roof sheets and Corrapol Clear roofing sheets. This would be our Corrapol Top Wall Flashing and it follows a similar installation process.
Read our How2 blog for full answers and more info about installing our Snapa® Glazing bars and Top Wall Flashing on a polycarbonate roof.
Our product experts are on hand to help with any product questions you have, so leave us a comment if you'd like some support with your project.
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At Clear Amber, we are manufacturers of innovative roofing, decking and garden products for the trade and DIYers. With over two decades of experience creating installer-friendly products, our ranges are designed to be easy to install at any location and by any skill level. For example, our patented Rock N Lock Flashings for corrugated roofing sheets are popular on pergolas, shed roofs and lean-tos.
Offering the fastest delivery in the market and class-leading customer service, our teams strive to make every project go like a dream.
#polycarbonateroofinginstallation #roofflashing #snapa #alukap

[@neilfitz7186]

Thanks. Im considering your Stormproof PVC or your Polycarbonates to replace my car port roof. Whilst the theory looks easy, daft question, but with a 3m slope run, after fitting the sheets, how do you access the top wall to then fit the flashing, given you can't walk on them? Any pointers appreciated. Thank you

[@ClearAmber]

Great question, the most common way of installing the Top Wall Flashing is by using a crawling board rested across the roof, to spread the load. This works best on a polycarbonate roof where the crawling boards would sit on top of the glazing bars. For Corrugated sheets, it is best to install the roof flashing as you go along. As each sheet is overlapped secure the Top Wall Flashing up to that point. Always remember to take the necessary precautions when working at heights. Hope that helps?

[@neilfitz7186]

Thanks very much for response, I wasn’t aware they were weight bearing as you describe. Just bought Corramet for my shed roof. Look forward to seeing it fitted 👍. Thanks

[@nosubtv4242]

You didn't use the tape?

[@ClearAmber]

Thanks, you can either use our Securbond Flashing Tape or Securbond Silicone Sealant to complete the final step of sealing of the Top Wall Flashing. For this video we choose to go down the polycarbonate sealant route, however, our Video Team may run a future video on the flashing tape alternative option.

86 the music

[@ClearAmber]

Thanks Jeff, will pass the feedback onto our Video Team. If you need any help with your polycarbonate project just let us know!

[@martymarr8307]

Wasnt even real bricks 😂

[@ClearAmber]

True - the exact fixing you should use depends on your wall substrate hence that step is indicative! Follow the exact same procedure for installing the Top Wall Flashing for Polycarbonate Roofing Sheets and tweak the single fixing step to suit. For example, you will need to pre-drill the wall when using wall plugs.