Doublejack Construction (Pty) Ltd was established in 1970, with the late Mr. M.G. Knight becoming the sole-owner in 2001. Mrs. Lesley Knight is the current owner steering Doublejack Construction (Pty) Ltd towards a new era of quality and performance.


Doublejack Construction (Pty) Ltd is a Roof Sheeting and Cladding Specialist Company within the Commercial and Industrial Industry. We supply all related Roofing Materials and provide highly qualified and safety conscious Labour for the erection of Roof Sheeting, Cladding and Components. The company has been trading since 1970 and has since built a reputable reputation for its excellent workmanship and service.

The Company has extensive experience and expertise relating to all Sheeting and Cladding needs. It is a combination of this comprehensive knowledge and highly trained staff that put our Company as one of the highest ranked professionals within the Roofing Industry. With professional drawings, accurate schedules and commited staff, there is not a sheeting requirement that we cannot fulfill.

It is the combined passion to strive towards excellence that drives us to continually look for better ways to improve our services, to better our methods and to lower the risks involved. It is with the knowledge that the tasks performed are of high risk, that we ensure that all our staff is medically fit to perform their allocated tasks on a daily basis. An annual training needs analyses is compiled to pin-point areas in which we can develop our staff and invest in their future with the company.

Our aim towards excellence is also reflected within the in-house infrastructure as well as the external project structure. This relates to our compliance to the Health and Safety Act, as well as the Mine Health and Safety Act.


A Team

We strive to work as a team to overcome obstacles and achieve a common goal.


We know what it takes to complete a project no matter how big or small. Here are some of the aspects that differentiate us from our competitors: Put customer satisfaction first, Make expertise our speciality, Do more than expected, Communicate effectively, Share our extensive knowledge and ensure that we exceed our customers’ expectations where ever possible.


We at Doublejack have gained extensive knowledge and know how over the last 40 odd years. This has helped us become one of the most sought after sheeting specialist in our industry.


  • Sheeting Specialists
  • Roof sheeting
  • Site management
  • Operations management
  • Project Management

Our Clients:


DoubleJack Construction has been trading since 1970 and the company’s comprehensive knowledge, combined with its highly trained professional team, has lead to it being known as one of the highest-ranking professionals within the roofing industry. DoubleJack Construction fulfils all sheeting requirements, delivered together with professional drawings, accurate schedules and trained and committed staff.