The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Where there are any open joints use Envirograf Product 63 Intumescent Cement Filler of Product 61 CS Stopper.Įnvirograf Intumescent Blocks can be used between screen walling and concrete floors as a firebreak. The blocks have double-sided tape around the edges so they can be adhered to each other to form a smoke seal. Where blocks are going over cable trays, leave a small gap and use Envirograf Product 29 Cable Tray Pillows. Where plastic pipes are 75mm or over then use Envirograf Wrap or Pipe Sleeve fixing into the blocks. Can be cut and pushed around services and pipes. The Intumescent Blocks can be cut with a sharp knife or hacksaw blade, fitting into the opening to form a fire seal. Great for fire-stopping voids in compartmentalised walls and floors- Easily installed around existing services and can be cut to shape to accommodate new ones.Ĭan be used in conjunction with intumescent wraps or collars to provide up to 2 hours’ protection or more for services passing through walls and floors.Ĭan be used between screen walling and concrete floors as a firebreak. (IB1 = 1 hour protection, IB2 = 2 hours’ protection) They can be used with Envirograf® wraps and pipe collars for PVC pipes and electrical services. Ideal as a fire break under suspended computer floors, or between screen walling and concrete floors. For use in walls or floors, and can be easily removed for maintenance of services. Available in the standard sizes others sizes can be made to order.
The blocks have self adhesive tape for joining together. Designed to form a fire and smoke barrier and easily cut with a sharp knife.
A non-inflammable, compressible and foil clad intumescent coated fibre block, 1200mm long.
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