bending MDF?

Is it possible to make a slight bend in MDF to contor around wheel well? If I make a couple of small cuts half way though the wood would it bend? If so I can get a filler to fill in the cuts once I get the right bend. Thanks for your feedback.

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depends on how thick of mdf your talking....

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If we learn from each success and
each failure, then we can improve ourselves

MDF is not the right kind of wood for bending around a shape. Would would def need to use fiberglass

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dream it, build it, fiberglass it

   Select Products make "bendable wood". Never used it, but I have seen it in there catalog.

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Wyoming 12volt Enthusiast

you shouldn't bend wood. if you need to make a bend use fiberglass

Hi all! Greetings from Atlanta, Georgia. New member here... Actually joined to answer this question.

In the (VERY) old NAME videos they show how to 'bend' MDF. I'd agree that fiberglass is probably the better choice for this nowadays, but if you're dead-set on bending MDF...
Basically what you do is set your table saw to cut through the bottom of the MDF, leaving a 'skin' of about 1/8" at the top. You'll space these cuts out about every 1/8" - 3/16" (or even 1/4" for a more gradual bend) over the course of the needed bend. Once you've cut the wood this way you'll see that it 'bends' (rather flexes on the leftover 1/8" of wood). Fill all the grooves with wood glue, form to the shape or your bend, (preferably attach it to your box) and let dry. Once dried, use a chisel or screwdriver to break the 'skins' that were left and glue or bondo over those... this is for rigidity and is probably optional.

Let me know if this is unclear and I'll try to clarify.

-Chris

im from atl too

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dream it, build it, fiberglass it