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Home    Products    Flat Sheets    THERMAGLAS™ Family of Products    ThermaGlas™ SE

ThermaGlas™ SE

Multiwall Polycarbonate Sheet for Greenhouse Side and End Walls

Palram’s ThermGlas SE multiwall polycarbonate sheets for Greenhouse Sides & Ends offer high light transmission, added insulation, and are engineered for lighter loads sustained by greenhouse walls, as opposed to roofs. 

ThermaGlas SE is available in 8mm thickness, providing a solution for greenhouse applications as diverse as production, propagation, holding areas, and retail garden centers.

ThermaGlas SE is specifically engineered for Side & End wall applications where loads are lighter and condensate control is not necessary.

Main Benefits
  • Excellent thermal insulation
  • Impact resistance
  • Light weight
  • Weather and UV resistant
  • Low  flammability
  • Easy to work with and install using ordinary tools
  • Rigid, yet capable of cold-forming to an arch
  • Wide service temperature range
  • Available in 47-1/4" , 48" ,  71-1/4"  and 72"   widths
  • 5 year warranty against loss of light due to yellowing 
Typical ApplicationsSide- and End-Walls for:
  • Commercial greenhouse 
  • Retail garden centers
  • Packing & holding areas
Other InformationIMPORTANT NOTE: For roof applications, consider ThermaGlas 8mm twin- or triple-wall polycarbonate with built-in condensate control. It offers excellent light transmission, while providing  up to 60% more energy efficiency than glass, and 25% more efficiency than 8mm twin-wall acrylic.
How should I store packed sheets?
Store in a protected, shaded, ventilated site, with no direct exposure to sunlight and winds. In outdoor temporary storage cover with opaque protective film, and avoid PVC films and heat-absorbing materials. Please note: Surface protective films that cover sheets are highly sensitive to heat and direct sunlight. Excessive heat and direct sunlight before taking off the film can cause that film to bond the sheet surface, after which it will not be practically possible to remove it from the sheet!
Why are there polyethylene films on certain sheets and should I peel it off?
The surface films in certain sheets, like Sunlite and Palsun sheets, are needed for protection against dirt and scratching, and also used to carry important information to the installer and final customer. The indication of the UV protected side that should be installed facing outwards is extremely important.It is recommended to peel off the protective films only after installation. In case this will not be feasible and the film will be peeled off before laying the sheets, it must be remembered to at least mark the UV protected surface, so that the sheet will not be installed inside out.

Note: wrong installation damages are not covered by Palram.Please also note: Surface protective films that cover sheets are highly sensitive to heat and direct sunlight. Excessive heat and direct sunlight before taking off the film can cause gluing of that film to the sheet surface, after which it will not be practically possible to remove it from the sheet!
Can the sheets be curved?
Yes. Sheets can be cold-curved and serve in arched shapes, provided the relevant Palram specifications for minimum radius in cold curving are followed. These specifications can be found in the Installation Instructions of the relevant sheets.

Solid sheets can be cold-curved in any direction.

Corrugated sheets can be arched so that the corrugations themselves are curved (lengthwise).

Multi-wall sheets can be arched so that the actual ribs will be curved (lengthwise).

Curving is not recommended across the ribs direction.
Do plastic roofing sheets really block UV radiation?
Some of them do. Rigid PVC and polycarbonate sheets are practically opaque to UV radiation, making them a perfect barrier against this harmful radiation. They actually block UV-A and UV-B radiation better than nearly any sunscreen lotion.

On the other hand, acrylic roofing sheets generally transmit a considerable portion of the UV radiation.
If polycarbonate sheets block UV radiation, why is there a ‘UV side’ to face outwards?
Polycarbonate (PC) inherently blocks UV radiation by absorbing it and not allowing it to pass through the panel. However, the absorption of UV also degrades polycarbonate, therefore, the sheet(s) has to be protected against UV radiation. Most Palram PC products feature a very thin co-extruded layer of UV-resistant PC resins that protect the entire sheet from UV radiation. In most cases, UV protection is applied to one side, however, two-sided UV protection is available for select products. 

In order to ensure the protection of single-sides UV protected sheets, they must be installed with the marked UV protective layer facing out toward the sun. Although sheet products can also be UV protected on both sides, most of the sheets are protected on one side that is marked clearly.
For Sunlite and ThermaGlas multiwall panels, can I leave on the masking tapes that block both ends?
No. These tapes are good for packaging/storage only, and are not strong enough for field service.

After installing sunlite sheets, seal top end with aluminum foil ‘Solid tape’, and bottom end with special ventilating ‘Breather tape’.
Should I paint the structural rafters with any paint?
Yes, you can paint structural rafters or supports, but be sure to paint only with light or white color. Do not use dark colors like black or brown, that can absorb and reflect intensive heat.
What's the difference between ThermaGlas® and Sunlite®?
ThermaGlas™ branded products are engineered specifically for commercial greenhouse applications. Panel widths, thicknesses, pigments, and special greenhouse-specific features such as guaranteed condensate control are consistent with commercial growers' needs. Aside greenhouse-specific features, ThermaGlas is the same as Sunlite (for equal thicknesses, weights, and panel widths). Outside of North America, Palram uses the Sunlite Plus brand as opposed to ThermaGlas.
Can I recycle my old polycarbonate or PVC panels?
Palram's Polycarbonate and PVC sheet products are recyclable. Many cities and towns have recycling programs that include curbside pick-up. If so, Polycarbonate products such as SUNTUF, SUNLITE, PALSUN, DYNAGLAS, or THERMAGLAS should be marked "Plastic #7" prior to recycling. PVC products such as PALRUF, AG-TUF, PALOPAQUE, PALCLEAR, or PALIGHT, should be marked "Plastic #3".

If local recycling is not available, other resources are available:
For PVC products, visit the Vinyl Institute's Recycling Provider Database:
http://www.vinylinfo.org/Recycling/VinylRecyclingDirectory.aspx
For polycarbonate products, visit The Association of Post Consumer Plastic Recyclers site and download their materials buyers and seller's list:
http://www.plasticsrecycling.org?
How can I determine if a sealant is compatible with Palram's polycarbonate products?
Palram tests various sealants for compatibility with its polycarbonate product. We attempt to purchase sealants that are widely available at home improvement stores and lumber yards. Click here to learn more about sealant compatibility and to download a list of product that have been tested.
In light of the change from "CCA" treated wood to "ACQ" treated lumber should there be a more protective screw used with the installation of Suntuf or other covering products?
The new guide lines by the manufacturers of the ACQ lumber call for heavily galvanized or stainless steel due to the corrosive nature of the ACQ treatment. The change in the treated lumber chemical is a concern. Manufacturers of ACQ do recommend the use of either stainless steel or hot dipped galvanized fasteners (which Palram’s fasteners are not made from). That said, you have two basic options for using ACQ lumber:

1. Use a comparable fastener made from an ACQ approved material. Make sure that such a fastener uses either a neoprene or EPDM washer and that it is installed per Palram’s recommendations.

2. Use Palram’s fasteners. Initial tests with ACQ have shown no adverse effect on our fasteners. This is added to the fact that the fasteners are being used to secure a light weight plastic panel (rather than connect structural members). If you use our fasteners, our 10 year warranty will still apply.