Suntuf Commercial - Skylighting FAQ's


Can I use silicone to seal SunTuf Commercial?

Silicone sealers and adhesives can be used if they are the neutral cure type, also check on the tube if they are compatible with polycarbonate plastics.


How important is it to follow the PSP SunTuf Commercial general recommendations on product usage?

Very important. Recommendations for the storage, installation and general treatment of SunTuf Commercial sheets are drafted to ensure that the product’s quality and serviceability is met to full extent, following these recommendations ensures that the product warranty is fully covered.


How do I cut SunTuf Commercial sheets?

SunTuf Commercial sheets may be cut with either a circular saw (using a very fine blade, e.g. Bosch MULTIMATERIAL circular saw blade.) or a fine bladed jig saw. For best results it is often better to cut a few sheets at a time to reduce vibration. Sheets may also be cut by hand by carefully using tin snips, heavy duty scissors or a utility knife. For further information please refer to the SunTuf Commercial installation manual


What should I use to clean my panels?

A mixture of warm water with a small amount of mild household detergent combined with a soft cloth should be sufficient to clean SunTuf sheets. Water blasting is also suitable only when the nozzle is kept at least 500mm from the sheet. NEVER use a solvent based cleaner (ammonia, etc.). NEVER clean wipe the sheets when dry. AVOID using sponges or brushes that can scratch the sheets surface. To remove and prevent Lichen, use 30 Seconds Roof and Awning cleaner as per the manufacturer’s instructions.  


How many fastening options are there? And what is best for my installation?

Refer to the website for a copy of the installation guide.


Is it OK to walk over roofing sheets while in storage, during or after installation?

No. SunTuf Industrial is not trafficable.


How long do SunTuf Commercial sheets last?

We offer a 25-year warranty against loss of light transmission and 15-year warranty on hail. Please refer to


Is it OK to fix screws by a power drill or screwdriver?

Yes. Please refer to the SunTuf Commercial Installation Guide. Note a 10mm oversize hole is required prior to installing a roof fixing.


How should I store packed SunTuf sheets?

Store sheets in a protected, shaded, ventilated site, with no direct exposure to sunlight and winds. For outdoor temporary storage, cover with an opaque protective tarp, avoiding heat-absorbing materials.


Can SunTuf Commercial sheets catch fire?

Yes, but are self-extinguishing when the flame is removed, SunTuf Commercial sheets meet a Group 1S fire rating.

Please contact PSP for further details.


Do the sheets expand in heat?

Yes. Polycarbonate sheets expand with heat, and contract with cold.


What is the weight of typical SunTuf Commercial panels?

1.2 kg per m2

Product & Installation Information