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Raised ceiling chase sealed with drywall mud

Raised ceiling chase sealed with drywall mud

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Seal all penetrations through the band joist

Seal all penetrations through the band joist

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Right – Duct register is mastic sealed to framing

Right – Duct register is mastic sealed to framing

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Kitchen exhaust properly installed and sealed with mastic

Kitchen exhaust properly installed and sealed with mastic

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Manually seal around ceiling registers with mastic

Manually seal around ceiling registers with mastic

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The ceiling drywall is sealed to the top plates with caulk.

The ceiling drywall is sealed to the top plates with caulk.

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Right – Caulk seals around the pipes in the concrete.

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Right – Every wiring hole is sealed with tape.

Right – Every wiring hole is sealed with tape.

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FLAT ROOF. Proper way to seal vents and pipes.

Video

Video describing how to properly seal vent and pipe penetrations in a rooftop to prevent moisture damage.

Right – Tape seals the SIP panel seams.

Right – Tape seals the SIP panel seams.

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Right - Seal the sill plate to the rim joist with caulk.

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Wrong - Seam in round metal duct is not sealed.

Wrong - Seam in round metal duct is not sealed.

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Right - Seams in duct boot are sealed with mastic.

Right - Seams in duct boot are sealed with mastic.

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Wrong – This duct boot is not sealed to the wall board

Wrong – This duct boot is not sealed to the wall board

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Air Leakage and Air Transfer Between Garage and Living Space

Reference

This report describes research conducted to evaluate air transfer between the garage and living space in a single-family detached home constructed to the 2009 IECC by a production home builder in Maryland.

How to Seal Up to Prevent Rodent Infestations

Reference

A website providing a checklist of important areas to check when sealing holes inside and outside of the home to prevent entry by rodents and other outside pests.

Sealing walls to foundation using SIGA tape

Video

Video describing how to seal the intersection between the concrete foundation wall and polystyrene foam exterior sheathing of the framed wall above using SIGA tape, which exhibits adhesion to both polystyrene and concrete so that the joint is both water and airtight.

Wrong – Fiber board duct is not sealed at seams; flex duct is sealed with duct tape not mastic tape or UL-181 metal tape.

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Wrong – The plastic seal of the open end of this duct is ripped; the test measurement will overestimate the duct leakage if the temporary seals are not very carefully completed

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The gaps around this duct boot are sealed with canned spray foam.

The gaps around this duct boot are sealed with canned spray foam.

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Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed

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Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed

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Wrong – Top plate to drywall connection not sealed

Wrong – Top plate to drywall connection not sealed

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BSC Information - Duct Sealing for All Climates, Sheet 603

Reference

Brochure with details on HVAC duct air sealing.

Right – Metal duct boot is properly sealed at seams

Right – Metal duct boot is properly sealed at seams

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Right – Flex duct is mastic sealed at junction box

Right – Flex duct is mastic sealed at junction box

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Right – Metal or fiberboard duct is mastic sealed at seams

Right – Metal or fiberboard duct is mastic sealed at seams

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Boot has been covered with insulation and sealed with mastic

Boot has been covered with insulation and sealed with mastic

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Manually seal around ceiling registers with foil tape

Manually seal around ceiling registers with foil tape

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Right – Slab seams are sealed with a self-leveling sealant.

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