Palight Trimboard
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PDF DownloadThe information presented below provides a basic overview of how to work with Palight Trimboard. For complete details, download the detailed Palight Trimboard Installation Guide.

Storage and Handling

  • Store Palight Trimboard on a flat and level surface.
  • Since Palight Trimboard products are more flexible than wood, they may conform to uneven surfaces.
  • Palight Trimboard has a density comparable to pine and should be handled in a fashion as pine would be handled to avoid damage.
  • Units of Palight Trimboard are shipped from the manufacturer in a protective covering. If covering has been removed, take care to keep product free of dirt and debris at job site. If product gets dirty, clean after installation.

Cutting IconPalight Trimboard can be cut using the same tools used to cut lumber. Carbide tipped blades designed to cut wood perform well. Avoid using fine tooth metal cutting blades. Rough edges from cutting may be caused by excessive friction, inadequate board support, worn blades, or incorrect tools.

Drilling IconPalight can be drilled with carbide-tipped bits using twist drills recommended for metals. The minimum distance from the edge should be 2 times the hole diameter. In an effort to reduce heat build up during drilling of thicker Palight Trimboard or sheets, it may be necessary to periodically remove the drill bit from the Palight material.

Milling & Routing
Milling and Routing IconPalight can be milled by using standard milling machines. Palight material can be easily routed using multi-fluted carbide tools on standard woodworking routers. Standard tools and machines can be utilized with no need to alter equipment. Adjust feed and speed rates as needed to achieve the best edge finish on the Palight parts.

Thermal Expansion and Contraction
As with most plastics, Palight foamed PVC will expand and contract with an increase or reduction in temperature (for comparison, wood expands and contracts due to moisture). This material property is known as linear thermal expansion and contraction.

Since Palight Trimboard can be used in a wide variety of indoor and outdoor applications, linear thermal expansion and contraction should be considered prior to and during the fabrication and installation of the material. It is important to take in to account the temperature at which the Palight material was fabricated, as well as the temperature of the installation.

Palight should not be used in applications or climatic conditions that exceed 140° F (ambient or surface temperature), at which temperature the Palight will soften and permanently deform. Paint color selection must also be considered, as some colors absorb heat and can easily exceed the maximum allowable temperature of 140° F.


  • For best results, use fasteners designed for wood trim and wood siding (thinner shank, blunt point, full round head).
  • Palight is made to last. Use a highly durable fastener such as hot dipped galvanized or stainless steel.
  • Staples, small brads, and wire nails must not be used.
  • The fasteners should be long enough to penetrate the solid wood substrate a minimum of 1-1/2".
  • Standard nail guns work well with Palight Trimboard products.
  • Pre-drilling is typically not required unless a large fastener is used or product is installed in low temperatures (typically 40°F or lower).
  • 3/8" and 1/2" sheet product is not intended to be ripped into trim pieces. These profiles must be glued to a substrate and mechanically fastened.

Palight products must not be used in load bearing applications, but may be used in spanned applications such as soffits and ceilings. 

Gluing and Bonding of Palight Trimboard
Palight material can readily be bonded to itself or other materials. Commercially available adhesives that are suitable for bonding rigid PVC materials can be used for this purpose.

Palight Trimboard does not require paint for protection, but may be painted to achieve a desired color. Painting Palight is extremely similar to painting wood, however, there are some important and distinct differences that must be accounted for when painting Palight.

For the most up-to-date, detailed product and installation information, download our detailed brochure for Palight Trimboard. (Download)