Gluing Douglas Fir to Plywood

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Gluing Douglas Fir to Plywood

Postby kombob » Thu Jan 10, 2019 10:39 am

I have planks of planed-all-round Douglas Fir. The planks are 15mm thick. I've recently tried to glue the edges of these planks (the 15mm thick edge) to the surface of 3mm thick plywood.

I used Gorilla Wood Glue, and clamped for the required time. I found that the planks of wood just peeled off of the plywood very easily.

My thoughts on why this didn't work are:
> Perhaps the surface of the plywood is too smooth.
> Perhaps the Glue isn't compatible with Douglas Fir.
> I leave the Gorilla Wood Glue in the car overnight during the winter months.

Has anyone got experience of using Gorilla Wood Glue on plywood or on Douglas Fir? Has anyone had issues with Gorilla Wood Glue failing after having been stored at low temps?


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Re: Gluing Douglas Fir to Plywood

Postby promhandicam » Thu Jan 10, 2019 10:48 pm

Welcome to the forum. Assuming that you can do the glue up in somewhere that you can get to room temperature i.e. above about 15C then try using a D3 or D4 PVA wood glue and also using some sort of mechanical fixing if possible i.e. pins through the ply into the DF. For the record I personally hate gorilla glue and won't use it. Let us know how you get on.

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