Shade sail - great way to give shade. Can be taken down when it's not needed. Loads of colour choices.
Waterproof Patio Sails | Outdoor Shade Sails to Protect Courtyard from UV Ray and Rain | House ...
Waterproof Shade sail 4 x 4m Square
DIY Pergola Retractable roof shade http://www.uk-rattanfurniture.com/product/beyondfashion-smlxl-waterproof-outdoor-wicker-rattan-garden-bench-furniture-protective-cover-patio-tables-chairs-cover-wicker-rattan-xl/
shade sails carport - Google Search
Canvas providing shade instead of a more expensive umbrella - This would be easy to do - AL MARE
Alion Home© Waterproof Sun Shade Sail...
Retractable Patio Covers and Other DIY Ideas for Beautifying Your Decking | Louisville Deck Staining
HDPE waterproof shade sails of carport
Kookaburra Charcoal Waterproof Shade Sail - 4m x 3m Rectangular - Gazebo Sail Awning Canopy: Amazon.co.uk: Garden & Outdoors