ARC TCB is designed to be compression fitted within a timber frame cavity. In vertical applications, both flanges are fixed, in horizontal applications only the top flange should be fixed. The flanges are fixed to the frame using clout nails at 150mm centres. The polythene encapsulation offers on-site weather protection, but can be cut away withoutaffecting the barrier’s performance. Key Features: Up to one hour fire integrity. Specified in semi-detached, apartmentsand major projects. Complies to Robust Detail Part E andBuilding Regulations. Available in Orange colour Available in different Sizes. Easy to install.