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Right – Furring strips provide a drainage and ventilation gap between the siding and the cork insulation.
Step 4. Install insulating sheathing and vertical furring strips on the retrofitted exterior wall; seal around pipe or duct with urethane sealant.
Step 5. Install sheathing tape flashing over the duct or pipe and wood blocking on either side for later attachment of trim.
Step 6. Install vent hood trim block, metal cap flashing; seal top edge of flashing with sheathing tape.
Step 8. Attach the new cladding to the furring strips over the rigid foam for the exterior wall retrofit.