Discontinued Product. Coast Access Door 1 - White 399 X 349 (M500-100) Has one centre lock and one set of keys. This external access door comes complete and ready to fit into hole 289 x 339mm Available in eight handy sizes, the Coast Doors are available in white with a smooth and modern finish. Installation has been streamlined – screw holes are pre-drilled, and they are supplied as a complete door, meaning there is no need to infill like some other doors currently available. It features an effective door seal and comes with keys to lock and reopen. Features Made from durable plastic Lockable with recessed handles Dust/water seal built-in Can be installed with the hinge at the top, bottom or either side Specifications Colour: White Overall size 399mm x 349mm Suits hole size 339mm x 289mm Internal clearance of hole 330mm x 280mm (smaller in corners) Protrudes 15mm from outside face Recesses into wall 27mm Fixing edge is 30mm all the way around Lock with two keys Installation Consider using a silicone sealant, like Bostik V4, which offers immense strength and elasticity to provide a water tight installation for your access door.