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Construction system
PH Certified Steel Frame Wall with DELTA®-VENT SA barrier

Component id: 1412cs03
Manufacturer: Dörken Systems Inc.
Category: Construction 
Construction type: Steel 
Window: The certification was done with the PHI-certified window Universal Series PH from Cascadia, which is a phB-class window with triple 16 mm argon glazing. The window is installed at the outer semi-rigid insulation board ROCKWOOL CAVITYROCK®. 
Airtightness: The primary airtight layer in the walls and roofs is DELTA®-VENT SA, a fully adhered vapor permeable, air and water-resistive barrier installed on the exterior side of the exterior gypsum board. DELTA®-VENT SA is available with a variety of accessories to allow connection of DELTA®-VENT SA with other buildings components for airtight assembly. List of available accessories and details can be found at 
Climate zones: Cool, temperate
Remark: The construction system is built on a concrete floor slab supported by a rigid, high-density stone wool insulation board ROCKWOOL COMFORTBOARD™ 110 on the exterior side. The walls are constructed of 6" steel stud @ 406mm (16") o.c with R22 ROCKWOOL COMFORTBATT® substrate with 8" ROCKWOOL CAVITYROCK®, a semi-rigid vapor permeable exterior insulation, installed between thermally broken fibreglass clip system with stainless steel screw fasteners (or equal) at 406.4mm (16"). The exterior finish is a ventilated cladding. The interior finish is an interior gypsum board. The roof construction is formed with a high-density stone wool insulation board 9" ROCKWOOL TOPROCK® DD above a steel deck, supported by steel rafters, as appropriate. Technical data on the insulation materials can be found at

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