In the top photo I am in the process of joining a big frame on the underpinner, in the background Mark 'gesso' is busy spraying gesso on frames.
The next photo shows a floating type design, a canvas will go in the inner frame which will be mounted to the linen mountboard which is backed with 3mm MDF, the outer frame has been extended to accommodate the extra depth.
The next couple of photos show another floating design, the canvas panel is backed with foamboard which is secured with gummed tape. This foamboard will then be fixed to the backing board and will give the floating effect, a 1/4” gap is left all around the image, the frame is a scoop slip with an outer box frame which are both painted.
The last couple of photos show a canvas which is screwed to a backing board, the frame is sprayed with gesso and then has a paint and wash finish. The painting above is by Julie de Bastion: