edge joining plywood

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Forum topic by plang posted 04-01-2010 08:39 PM 2617 views 0 times favorited 6 replies Add to Favorites Watch
View plang's profile


117 posts in 3350 days

04-01-2010 08:39 PM

In a past post I asked about tile over particleboard, and with the responces I received I decided to go with plywood. Thanks for the responces. So now I would like to know if plywood will edge joint as well as solid wood with just a glue joint. I have several sheets of 24X96 but need a pieced that is 34 inches wide by 52 inches long. Remember that it will be covered with tile. Should I make a piece to my specs or just buy a sheet and cut it to size. Thanks

6 replies so far

View AaronK's profile


1506 posts in 3460 days

#1 posted 04-01-2010 08:47 PM

my guess is that it will not work as well, since about 1/2 of the plies are end grain. you could always reinforce the joint by:

tongue and groove
spline and grooves
pocket screws

View NewPickeringWdWrkr's profile


338 posts in 3009 days

#2 posted 04-01-2010 09:18 PM

Assuming that this is a project like a counter or table, then any method Aaron listed above would be fine. But that would never be as strong as just getting a 4’x8’ sheet cut to size – not to mention quicker/easier.

-- Mike - Antero's Urban Wood Designs

View bobkberg's profile


439 posts in 3069 days

#3 posted 04-01-2010 09:40 PM

I feel similarly about this the way that AaronK does, until you mentioned tile. I have successfully glued many pieces of plywood together edge-wise with no dowels or biscuits. but that assumes that there is something supporting the board – like a subfloor or frame.

If the plywood is going to be adequately supported, AND the joint will not be load-bearing,, then I’d do it – as long as both edges are clean cut and fit tightly prior to gluing.

The other precaution I’d advise is to clamp the joint together, and also clamp on some boards at right angles just to keep the clamps from bending the board at the glue joint.

-- Bob - A sideline, not how I earn a living

View plang's profile


117 posts in 3350 days

#4 posted 04-01-2010 09:58 PM

OK. Thanks again for all advice. I will just buy and cut to the size I need. It sounds the safest way to go.

View JAGWAH's profile


929 posts in 3080 days

#5 posted 04-01-2010 10:17 PM

Tongue and groove is the best. It’s aways used in flooring because the edge will inevitably show.

-- ~Just A Guy With A Hammer~

View DaddyZ's profile


2475 posts in 3036 days

#6 posted 04-01-2010 10:22 PM

If you are going to tile over why not use H’s?

-- Pat - Worker of Wood, Collector of Tools, Father of one

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