What is the thickness of these watercolour canvases and do you sell a UV spray varnish to fix these colours
The Frisk Watercolour canvases are made from 100% high quality cotton, 250gsm they are mould-made, acid free. The canvas has been specially formulated for developing distinctive watercolor techniques and stretched over a 1.5cm deep frame.
You can gently use a spray varnish to protect the work gently spray fine layers on the canvas and allow each to dry before the next application. Or there are fixatives which have been designed for protecting watercolours.
Schmincke AQUA Fixative 300ml Spray Can which can be used as a final fixative for watercolours, this spray protects paintings from fingerprints, humidity and dust with no colour change when applied in thin layers.
Gentle applicating is essential so you do not disturb the paint on the surface.