​Factory applied micro-porous coatings, using a three coat paint or stain system in a vast selection of colour options, providing maximum protection but minimal maintenance. Multi-layer engineered timber sections to resist warping and twisting, keeping your windows functioning beautifully all year round. Available with sashes hung on pre-tensioned cords, chains or our hidden spring system. Enhanced thermally insulating glass creating glazing units almost twice as effective as ordinary double glazing, with internal beading (fitted from room side) for optimum security. Extensive range of elegant ironmongery options in a selection of finishes. Beautifully smooth sliding sashes that are a pleasure to use. Made to measure specifically for the requirements of you and your home with fully customisable glazing bar designs. Robust, industry leading guarantees.