Combination Seal - Com 1&3 Pack

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Product Details

Combination Seal is a versatile mix of product where you can select the best version to do your retrofit (after shed is built) vermin seal or ember sealing project.

This is an Ember, Flame, Vermin, Weather and Corrosion barrier options available depending on your requirements. Great option for when your constructing the shed wall on the ground and then standing it up into position like when your building close to fences or other obstructions. It’s also a great retrofit product for bushfire zones or where you want to retrofit steel vermin seal.

These suit all Colorbond® and Zincalume® roll former profiles like Trimdek, Monoclad, K-Panel, Multiclad, Corrugated, Custom Orb, Q Dek, Trimclad, Totalspan…all types including many not mentioned. It can also be used with Horizontal cladding in some circumstances. It doesnt matter if your sheeting profile is from Lysaght, Metroll, Stramit, Best, Fielders and more. This is the best solution for spandek, longspan and maxirib for sealing along the bottom of the walls.

Combination Seal fits to the shed wall cladding with a tek screw (supplied separately) screwed through the pan and into the skirting board portion of the flashing. This can also assist in pinning your wall insulation into place. It is available in Shale Grey or Zincalume.

Find out how to install this product
Please do not short your order.
Minimum Order Quantities Apply.
Requests for small orders cannot be completed.

How to order – Work out how many metres of perimeter you need to seal. Using the order box select whether you want Zincalume or Shale Grey. Decide if you want combination 1&3, combination 1&2 or combination 1,2&4 and select the appropriate pack size from the drop down lists. Hit the buy now button. Any questions reach out to customer support.

The most popular combination is the External Flashing (COM1) combined with the PVC internal component (COM3). The com 3 acts as an anti corrosion barrier as well.

Extreme bushfire regions with high BAL levels should consider the all metal combination of (COM1) and the internal metal flashing (COM2). This can be used with or without the addition of the isolating PVC strip (COM4) to help guard against corrosion of metal on concrete. COM4 is flame retardant and self extinguishing under the steel flashings.

The External Strip COM1 and internal metal flashing COM2 are supplied in 2.4m lengths.
COM3 is 920mm in length and COM4 is 2.4m long.

Shipping Notice
Shipping for these products is as follows.
NSW, VIC & QLD $60
SA & TAS $70
WA $100 and NT $125

They travel by TOLL Road and their on-forwarders or occasionally with Australia Post. Some locations may be deemed inaccessible by the freight network and will require collection from a regional depot.
How to install vermin seals?

For how to install ShedBlog-supplied products go here -

Can I exchange my vermin and ember seal order?
Orders placed incorrectly or being returned or exchanged have a 10% restocking charge. The cost of return freight is borne by the purchaser.
If replacements are being shipped a minimum re-delivery charge of $40.00 will apply to the replacement order plus any additional price difference between products will be added or subtracted accordingly.
Change of mind returns for Vermin seals of some varieties will be considered on a case-by-case basis and by prior arrangement. They attract a 20% restocking charge plus the actual cost of original freight will be deducted. The cost of return freight is borne by the purchaser who is returning the products.
Can I order a piece or two of vermin proofing if I'm short?

Unfortunately, our manufacturing arrangements mean we have to order in quantities of 18.28m or more. This is why the quantities are listed as such on the website. Don't short your order please.

Can I pick up my vermin or ember seals order?

Our Vermin & Emberseal manufacturer does not operate pickup or maintain any payment facilities at the factory. Orders online are delivered directly to you in most circumstances.

Can I still install a vermin seal after the shed is built?

We have a wide range of retroseals suitable for installing on sheds that are already built. Vermaseal itself is for installation during the build.

How do you transport my purchase?

Vermin seals are shipped via TOLL and sometimes Australia Post

How long does it take to manufacture my order?

Vermin and ember seal products– usually despatched within 3-5 working days. Orders placed incorrectly or being returned or exchanged have a 10% restocking charge. The cost of return freight is borne by the purchaser. A minimum re-delivery charge of $38.00 will apply to the replacement order plus any additional price difference between products.

How much vermin seal should I order?

It is always best to order slightly more than you need as the Minimum Order Quantity for vermin & ember seals is 18m. This min qty is not set by us, it is set by the factory. So if you don’t order enough then you would be up for another lot of freight and potentially the minimum order of 18m. You can always email or call if you need special assistance calculating how much vermin/ember seal you need.

Is it possible to install vermin seals with my insulated shed?

It's possible, it can be a little more fiddly, While many of the retroseals would suit, the product Combination Seal is the best for already insulated sheds and shed homes.

May I ask for product samples?

Send us your details at and we can arrange a sample. Please also let us know what you need to achieve just in case we can suggest a better product for the job.

My Retroseal Superseal is not Fitting. How to resolve this?

Find our product install guides here. It’s usually due to incorrect installation method or ordering the wrong profile. Please send photo of the situation. Remember! Superseal installs at approximately a 30- 45 deg angle so please fix a receiver strip in place first, and place clip onto strip and check fit that way. Instructions are either attached to the box or inside the box.

What Vermin seal profile code is best for my shed?

This depends on the profile of your shed cladding and the purpose (vermin and or embers) Have a look at our cladding guide which can help you to know what works for your shed.

Where is Vermaseal made?

Australia! Northern Rivers, NSW

How to calculate my roof pitch?

If you’re not sure of your roof pitch, take a look at our handy calculator to work it out.

How do I identify my wall or roof profile?

Please refer to this cladding guide to help you order the right product for your shed.




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