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Water management details for a roof drain installed along with rigid foam on a flat roof
When architects and builders think of the house as a systems, all of the parts are designed to work together for a healthy, durable home that minimizes builder callbacks while cutting energy, maintenance, and repair costs down the road.
When condensation forms on the interior side of wall sheathing and is not able to dry out, it can lead to mold growth and rotting of wall sheathing and framing
When wrapping metal ducts with insulation allow two inches of overlap and staple along the seam with outward clinching staples
Windows are installed as “outies” in this wall assembly using a self-adhered membrane water and air control layer with continuous exterior insulation
Windows are installed in new framing in preparation for adding exterior spray foam insulation
Wiring runs are covered with canned spray foam to maintain the continuous foam layer that covers the inside and outside of these ICF block walls.
Wood blocking for future PV panel installation is installed in the layers of polyisocyanurate rigid foam insulation during a flat roof retrofit
Wrap batt insulation around pipe loosely enough not to compress the insulation and secure with wire or tape
Wrong - Air leakage from the conditioned space to the basement foundation wall can lead to condensation or moisture issues in a conventional blanket insulation installation.
Wrong - Batt insulation does not provide complete coverage across the attic floor so ceiling joists are exposed resulting in thermal bridging.
Wrong - Ceiling insulation is not completely installed and air barrier is missing.
Wrong - Cold spots along the top plate combined with lack of ventilation have encouraged mold growth along this bathroom ceiling.
Wrong - Continuous rigid insulation was not installed to continuously cover the sheathing.
Wrong - Craft faced batt insulation is compressed behind PEX pipe instead of being sliced to fit around it.
Wrong - Craft faced batt insulation is not cut to fit around wiring and eletrical boxes and is squished into corners forming voids which could encourage cold spots in wall.
Wrong - Dark pattern on wall is showing where warm air is leaking into the wall cavity from interior of home.
Wrong - Dark patterns on the Home's exterior siding show where warm air is leaking into the wall cavities.
Wrong - Foil air barrier was ripped to install wiring; foil should be replaced with a solid air barrier and wiring hole should be caulked.
Wrong - Insulation beneath window is compressed and there are more support studs than necessary to left of window.
Wrong - Lack of insulation in the wall above this window combined with poor bathroom ventilation has contributed to mold growth.
Wrong - Moisture from within the basement foundation wall can migrate into the insulation cavity in a conventional blanket insulation installation.
Wrong - Plastic-covered blanket insulation that is installed directly against concrete walls with no rigid foam or closed-cell spray foam covering the concrete could trap moisture coming through the concrete, leading to mold, moisture, and odor problems.
Wrong - Polyethylene sheeting should be lapped up sides of walls and pillars and taped
Wrong - The basement blanket insulation is loosely attached to the interior of the basement wall, does not cover the entire wall, is not sealed at the edges, and is not installed over rigid foam that covers the entire surface of the foundation walls.
Wrong - The fiberglass blanket insulation has no perforated vapor retarder, does not cover the entire basement wall, is not sealed at the edges, and is not installed over rigid foam.
Wrong - The roof insulation panels for this building were not installed in multiple layers with joints offset. The snow melt pattern shows thermal bypasses at the insulation panel joints.
Wrong - This plastic-covered blanket insulation is not perforated, does not cover the entire basement wall, is not sealed at the edges, and is not installed over rigid foam.