For specific advice regarding building the self-assembly knockdown frame for your steel double door, see our comprehensive blog post here
All of our steel security doors have been designed to be easy to install by following our simple instructions. When you buy any of our doors, they will be supplied with a comprehensive, easy to follow fitting guide. We also have a number of step-by-step instructional videos you can follow.
Alternatively, our friendly sales and customer service team will also be happy to help, simply call 01384 220 050 or email [email protected]