Furring strips should be fastened to the concrete wall through the rigid foam.
Rigid insulation on concrete wall with zee furring.
Typical wall detail showing z furring in place.
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Clarkdietrich z furring is used to furr out interior masonry or poured concrete wall substrates and to support rigid polystyrene mineral or fiberglass batt insulation while providing a uniform plane for gypsum panel attachment.
The correct method of using rigid foam is to run continuous 4 foot by 8 foot sheets of the foam across the concrete basement wall making the rigid foam the de facto wall.
Examples include rigid insulation adhered to the interior of the wall with furring and drywall applied over the insulation continuous insulation in a masonry cavity wall and exterior insulation and finish systems.
Polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls.
Developed for use on concrete and masonry walls steeler z furring channel is heavy duty enough to supplement the strongest of structures.
How to glue polystyrene insulation to a concrete wall.
Rigid insulation panels are positioned snugly against the web of a z furring section.
The steeler z furring channel is an installer s dream as it allows you to create a firmer and more level foundation to support rigid drywall.
Z furring must be installed vertically with the 3 4 flange against the substrate.
This refers to insulation uninterrupted by furring or by the webs of concrete masonry units.
Z furring channel make installing rigid drywall ez.
The next z furring strip is installed with its outer flange covering the leading edge of the insulation panel thus holding it firmly in place.