For your Canterbury timber windows you have a choice of timber or aluminium framed flyscreen. Both come with fibreglass or aluminium mesh. Fibreglass mesh is made of woven fiberglass yarn, coated with PVC to make it waterproof, rust proof, non-combustible, stain resistant and easy to clean. This type of mesh works to exclude flies, bees, wasps, mosquitoes and other insects. Aluminium mesh is suited to coastal and bushfire prone areas. Canterbury timber bifold servery windows have the option of a roll-down flyscreen with fibreglass mesh.