Stramit Board Flat Roof

We have an installation to install on a flat roof constructed of stramit board.

Stramit board flat roof.

Stramit building products stramit manufactures a wide range of roofing rainwater and structural products for the australian residential commercial shed and home improvement industries. We manufacture a wide range of profiles to suit all types of projects from houses and home improvements through to large scale commercial and industrial developments. Stramit s got you covered with roofing and wall cladding for any architectural style or application. This boarding is approx 250mm thick so coach screws through to the wooden joists are out of the question i was thinking of resin fixing but thought i would ask opinions and see if anyone has any experience.

It has been used as a roofing material probably installed about 20 30 years ago. Stramit boards in flat roofs are classed as deleterious materials because they lose their structural capacity after becoming wet. The commercial success of stramit as an alternative partition material to gypsum board eg 300 000 houses in the uk resulted in its being awarded a british standard bs 4046 compressed strawboard. Stramit is produced by a patented process of heat and pressure that utilises the resinous substances within the straw.

This deterioration is not reversible. This is basicly straw board with a thin layer of concreate on top then covered in the felt and tar. Click to show them are there any hazards involved in handling cutting removing this product. Interstitial condensation leaks through flat roofs causing the paper to deteriorate and the resins to break down.