Installation Instructions

Heat Bending Trim

Cellular PVC is a thermoplastic polymer which means it

becomes pliable or bendable when exposed to certain

temperatures and returns to a solid state upon cooling.

As such, some cellular PVC proﬁles can be reheated and

reformed, or bent into new shapes. Variations in batches,

proﬁle geometry, and density or weight of the proﬁle, will likely

require some trialing and or experimentation to perfect this

art and skill. For best results, do not bend any cellular PVC

trim that is more than 6” wide. Some proﬁles are produced

in a special formulation that facilitates bending; however, the

capability to bend cellular PVC trim is limited—not all pieces

can be successfully bent 100% of the time. Royal S4S Trim

Boards are not recommended for bending. Precision Cut or

SurEdge boards are preferred.

Methods for Bending Cellular PVC Proles

There are several different methods that can be used to heat

PVC proﬁles:

• Heat blankets - great for job site fabrications

• Convection air circulating ovens

• Radiant ovens or heaters

• Heat guns - great for small jobs and proﬁles

Whatever method is used, Royal Building Products assumes

no liability, for any harm or damage to persons, product,

or property related to heat bending. Any and all safety

precautions to prevent any harm or hazard should be followed

by the end-user.