9 Must-Have Polycarbonate Roofing Sheets Accessories

One way to have very sturdy and resilient roofing is through the use of polycarbonate roofing sheets.  Polycarbonate is a strong and durable thermoplastic material resilient skylight roofing. You have probably heard it before because this polycarbonate roofing allows light to pass through and is aesthetically pleasing, nearly unbreakable, and can last for years!  

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To maximize its good qualities, it must be installed properly using the correct materials used. Continue reading to know more about these must-have accessories for your polycarbonate roofing sheets.

1. H-Connector

To attach two or more polycarbonate sheets together, you need to use an H-connector. This is used to make the installation fast and easy, and also helps prevent the polycarbonate sheets from detaching and breaking down when drilled. Moreover, it also improves the exterior appeal of your roofing.

2. U-Profile

Dust particles are usually inevitable when you install your Twin wall roofing. To prevent this, the U profile is attached to the open end of the polycarbonate twin wall sheet. It seals the dust particles from entering the holes, making your sheet provide a clear transmission of light and have a longer life.

3. Aluminum Flat Bar (Analok)

The aluminum flat bar is used as a support for your polycarbonate roofing. It is easy to work with due to its malleability and has an exceptional strength and durability.

4. Aluminum Flat Bar (Anodized)

Anodizing is an electrochemical process that converts the metal surface into a durable, corrosion-resistant, and anodic oxide finish. Aluminum is suited for anodizing and an anodized aluminum provides attractive, low maintenance, and durable accessory for polycarbonate roofing.

5. Rubber Tape

The rubber tape is primarily used as a cushion for thermal expansion of both the polycarbonate sheets and its connectors. It also serves as extra protection to prevent having leakage in the joints.

6. Silicone Sealant (Neutral)

A silicone sealant is a liquid form of adhesive used to flawlessly seal polycarbonate sheets. It is used to seal the gaps between the connectors and polycarbonate sheets. Moreover, it is resistant to moisture, weathering, and chemicals, and can be applied easily. It is designed to be used for indoors and outdoors and has outstanding durability which makes it the perfect sealant for roofing needs.

7. Tek Screw

To secure the aluminum that you will be using for your polycarbonate roofing, you will be needing a tek screw. It is a self-tapping fastener with a drill bit at the end. Since it has a self-drilling nature, it makes the installation faster.

8. Aluminum Clamping with Rubber and Cover

For layering your polycarbonate roof, use the Aluminum Clamping with Rubber and Cover. This will secure the polycarbonate roof while you&#;re installing the other layer. It also has a rubber to protect it from scratches that can ruin the aesthetic of the polycarbonate roof. 

9. Aluminum J Clip

The J clip is used to seal the channels at the top and at the bottom of the polycarbonate sheets. It is usually used as end-capping for protection.

If you are ready to install your polycarbonate roofing and looking for a place where to get these accessories from, worry no more as we are the experts to help you with that. Contact us today for more information! 

How to Install Polycarbonate Sheet Fixings?

When installing polycarbonate sheets that are wider than normal they are more prone to wind uplift and sheet sag. A solution to help prevent wind uplift and sheet sag is to add cross purlins and use polycarbonate sheet fixings to secure the sheets at their centres.

In addition, with an increase in extreme weather the use of fixing buttons can help to strength your roof against snow loading and other weather!

Do you need to install Polycarbonate sheet fixings, like our Alukap-XR Fixing Buttons, on every roof construction? No - it&#;s a myth! You should only use polycarbonate roofing sheet fixings when your sheets have purlins supporting them due to be wider than normal, approximately one metre plus. For the majority of applications, we suggest keeping sheets widths and rafter distances at a sensible width and use glazing bars, like our Snapa PVC Snap Fix Glazing Bars or Alukap-XR Aluminium Glazing Bars.

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To install your Alukap-XR Fixing buttons correctly follow the below installation steps...

How to Install Polycarbonate Roofing Sheet fixings - Steps:

1. Match the colour of the Alukap®-XR Fixing buttons to the colour of your roof glazing bars, white or brown.

2. Before installing, always check that you are wearing the appropriate PPE required for your project to avoid injury

3. Drill an oversized hole in your Axiome Polycarbonate Roofing Sheets at the fixing locations using a 12mm HSS drill bit (Note: any holes should be approx. 2mm bigger than the width of Fixing Button shaft to allow for any expansion)

4. Cut off the tag connecting the small Fixing Button top cap and keep to one side for use later in the installation

5. Pop out the middle foam circle in the foam washers and then add to the fixing button base.

6. Once the Foam washers have been added place the Alukap-XR Fixing Buttons in position

7. Using the screw provided, screw down the fixing button making sure there is a firm seal on the glazing sheets

8. Finally, snap on the small top cap you saved earlier to complete!

Common Questions about Polycarbonate Sheet Fixings

How many Fixing Buttons are required per polycarbonate sheet?

The quantity of polycarbonate fixings required on a roof can vary depending on a range of different factors including the roof structure, sheet sizes, location exposure and more!

Fixing buttons are only required on cross purlins where your rafter centres are quite wide, 1 metre span plus approximately, so you will need a few for each purlin.

What colours are Fixing Buttons available in?

We manufacture Alukap®-XR Roof Fixing buttons in white and brown colour options. We do not manufacture fixing buttons in bespoke colours as for a bespoke coloured roof we would strongly suggest not using fixing buttons and rather keeping rafter spacings at a sensible level.

Are Fixing Buttons only designed for use with timber purlins?

Alukap®-XR Fixing Buttons are designed primarily for use with timber purlins and so are supplied with timber screws to suit; however, they can be used with any material purlin, steel, aluminium and more, by simply swapping out the screws for your own bespoke screws that are suitable for your purlin material.

Are different polycarbonate sheet fixings required with different thicknesses of twinwall and multiwall polycarbonate sheets?

No, our fixings are suitable for a wide range of Axiome® Polycarbonate Roof Sheet thicknesses, from 10mm to 35mm.

If you require longer screws for your roof you can simply source these from a local hardware store and swap them over.

Although not designed for use with 4 or 6mm polycarbonate sheets because those thicknesses tend not to be used for roofing applications, our polycarbonate sheet fixings can be used if needed by simply trimming the fixing button shaft down. This can be done with a hacksaw or similar tool.

Please Note: The installation of fixing buttons is not necessarily recommended for every roof, due to the risk of condensation issues when installed, even correctly, and so should only be installed where the roof length or width requires. Condensation arising from fixing button installation is an accepted phenomenon due to the installation process on penetrating the middle of the sheet&#;s flutes.

Have a question about fixing polycarbonate sheets?

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For more information, please visit Polycarbonate Sheet Accessories.