gallery Check out our steel door projects gallery for inspiration on your projects. Internal slim steel Internal Slim Steel offers the ability to divide large internal areas. Whilst keeping natural light at a maximum. Especially with 20mm sight lines. Original steel A combination of our external grade Original Steel doors. And our Original Steel Thermally Broken profile doors. fire spec. steel Our Original Steel doors manufactured to 30 minute fire integrity spec. Great for commercial and residential doors and screens. Steel door projects gallery by design plus london Want to find out more, why not get in touch CONTACT USReach us here www.designpluslondon.co.uk