For reasons of construction economy, many clients want trussed roofs with traditional eaves and a ventilation channel. The immediate challenge in this design is figuring out how to connect the exterior sheathing air barrier on the walls to the interior drywall air barrier at the ceiling.

Nov 20, 2020 · Armstrong Ceiling & Wall Solutions has introduced AirAssure ceiling systems that self-seal into the ceiling grid to prevent air leaks.

Aug 28, 2015 · By far the most common material to use for a ceiling air barrier is drywall. You can buy special airtight electrical boxes, or just do a careful job of air sealing ordinary electrical boxes (with a combination of caulk, canned spray foam, or …

The air-sealed ceiling provides a dry space to begin mechanical rough-in before the roof is finished, and the I-joists provide plenty of space to run mechanicals—both between them and through them—and making cutouts for ducts, tubing, and wires is a breeze (make sure to follow the manufacturer guidelines for size, spacing, and location of ...

Jun 15, 2024 · Learn how to seal floor and ceiling penetrations to prevent leaks and contamination with proper pipe penetration sealing techniques for plant safety.

Air-seal around all plumbing and piping installed through walls, ceilings, and flooring adjacent to unconditioned space to prevent air leakage. Using a saw or drill, cleanly cut all holes no more than 1 inch larger in diameter than the diameter of the pipe.

Aug 25, 2020 · Conscientiously air-sealing the attic ceiling after the drywall is hung—before insulation—makes getting to 3 ACH50 much easier.

To properly seal around air vents, apply caulk or expanding foam between the ducting and the sheetrock. The goal is to prevent conditioned air from escaping or unconditioned air from entering the thermal envelope.

Caulk and seal air leaks where plumbing, ducting, or electrical wiring comes through walls, floors, ceilings, and soffits over cabinets. Install foam gaskets behind outlet and switch plates on walls. Inspect dirty spots on any visual insulation for air leaks and mold.

Sep 27, 2016 · Solid blocking at the ceiling line of the rake walls is integral to air-sealing the house. Huber Zip System wall sheathing is our primary air-control layer, and we sealed it to the top plate of the second-story walls — where there was a top plate.