Quality assurance comprises administrative and procedural activities implemented in a quality system so that requirements and goals for a product, service or activity will be fulfilled.
Sisal (/ËsaÉªsÉl/ , [siËsal]), with the botanical name Agave sisalana, is a species of Agave native to southern Mexico but widely cultivated and naturalized in many other countries.t is sometimes referred to as sisal hemp, because for centuries hemp was a major source for fibre, and other fibre sources were named after it.
Sisalation Reflective Foil. Sisalation is a high quality radiant barrier also known as reflective foil insulation. This product is a combination of aluminium foil that has been laminated to kraft paper or cloth that has been woven.isalation acts as a water barrier and prevents moisture and even dust from entering your roof. In fact you should rather install a reflective radiant barrier than the usual plastic underlay because you get more benefits with it. Plastic underlay is really just there to prevent water from entering your roof.