How to Bend Azek Cellular PVC Decking - Fine Homebuilding

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How to Bend Azek Cellular PVC Decking

comments (8) April 1st, 2010 in Blogs
KimKatwijk Kim Katwijk, member

Beautiful lake view deck with Celtic knot inlay.
Inlay close up shows the bendability of Azeks cellular PVC decking.
Beautiful lake view deck with Celtic knot inlay.Click To Enlarge

Beautiful lake view deck with Celtic knot inlay.

Photo: ArtistryInDecks.com, Olympia, WA

Twist Your Decking Like Taffy

Bendable man-made decking, such as cellular PVC materials have opened the door to artistic deck designs. Not only do my customers like the lower maintenance requirements, longer lifespan and stain-resistant qualities, I like it because I can form it into any shape, creating unique works of deck art. 


A freshly-heated piece of Azek is set
down around a semi-circular form and
allowed to cool.


After cooling down, the deck board is
released from the form and holds its
shape perfectly.

Here, an inlaid Celtic knot pattern transforms a simple L-shaped deck into a one-of-a-kind work of art.  The weave goes down both legs of the L, with the knot design in the center.  The weave pattern is mirrored in the overhead pergola. 

In the following video, you can watch as I use an HC99 Heat Forming Kit to prepare Azek decking for bending into a six-foot radius circle. Part of this design was subsequently repeated on the pergola covering the deck.



posted in: Blogs, deck, Decking, decks, bending Azek, bending PVC, Azek

Comments (8)

MUtterback MUtterback writes: Iv seen this done with Trex, a Large metal pipe, some plastic and a propane heater..but man, this seems like the way to go. This is amazing!
Posted: 12:01 am on September 21st

MUtterback MUtterback writes: Iv seen this done with Trex, a Large metal pipe, some plastic and a propane heater..but man, this seems like the way to go. This is amazing!
Posted: 12:01 am on September 21st

narlee narlee writes: Kim,
After you set the board in the "jig" on the plywood, you rubbed the top surface, I guess to flatten everything even. Since the material was so soft at that point, were you not worried about damaging the surface "grain"?

Geof Narlee
Posted: 7:34 am on May 11th

orvsr4me orvsr4me writes: Kim, you truley are an artist! I would love to see some pictures of the framework that goes under your masterpieces. For example, the starburst is fabulous but I can't guess how to frame the support beneath it.
Posted: 9:48 am on April 13th

KimKatwijk KimKatwijk writes: Randy--
To create the form: On level ground, place 3 to 4 2x8x16 boards. Cover that with 4 sheets of plywood placed side by side, and attach. Cut out your desired radius of 2x material and attach it to the plywood. This creates the bending gig. Check the video for close-ups.

If a product has plastic in it, it can be bent.

I've had my Heatcon system for a while so you'd need to check their website (mentioned in rmp657's comment above) for prices.

--Kim
Posted: 2:09 pm on April 8th

rmp657 rmp657 writes: laughingcrow try this web address http://www.heatcon.com/industrial/heat-forming-kits/composite-decking/details/197/235/industrial/heat-forming-kits/decking-kits/hc99-300---heatcon-heat-forming-kit

Hope it helps and at the bottom it asks you if you want to request a quote.
Posted: 9:29 pm on April 7th

LaughingCrow LaughingCrow writes: Where can I get this Heatcon system? Heatcon's own website has no info on this product (perhaps it is a different 'heatcon'). I've searched Amazon and various tool sites but come up blank.
Is it too new?
Thanks,
Tim, Oxford, PA
Posted: 6:24 am on April 7th

randychom randychom writes: Kim, how much per heater? Does it work on Trex or Timbertec composite decking.

Can you show me your frame pattern for the curves.

I,ve curved Trexs and this looks alot better and easy to store the heaters.

Randy Calgary Alberta Canada
Posted: 11:40 pm on April 5th

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