Seasonal movement question.

samedi 1 août 2015

I am doing a fair bit of laminating using shop cut laminates. Finished thickness of laminates is generally at or about 2 mm.

I was thinking of the next job, which is an entertainment unit, a wedding present for my niece. I will laminate camphor laurel laminates over 16 mm MDF for the top, sides and doors of this unit. My question relates to the top.

I will glue timber lips onto the MDF before laminating. They will be about 25 mm wide. This allows me to rout a profile onto the edge of the top. The pic is a small bedside table made earlier this year. On this piece, none of the lips are end grain, but I reckon the sides would look better if the lips were done with end grain timber, and the timber for the lips cut so the grain is a reasonable match for the laminates.
IMG_2042.jpg

My plan was to use end grain lips on the short edges of the top of the next unit, so I could match the grain on the top laminates. However, I am concerned that even with a unit only 450 mm wide that I may suffer from wood movement issues. The lips on the long edges are fine, because wood movement is minimal longitudinally. However, for the lips to the ends the seasonal movement will be greater in these lips if the lips are in end grain.

Any advice gratefully accepted.
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