VAPOR BARRIER EXTENDER FOR USE WITH ALL IC HOUSINGS - VBE-1

Name: VAPOR BARRIER EXTENDER FOR USE WITH ALL IC HOUSINGS - VBE-1
Brand: LITELINE
SKU: VBE-1
Price: 15.97 CAD
Availability: InStock

SKU: VBE-1

Brand: LITELINE

Recessed lighting and an insulated ceiling can get along perfectly, as long as the vapour barrier stays whole. The LITELINE vapor barrier extender VBE-1 exists for exactly that job: it fits over IC-rated recessed housings and carries the ceiling's vapour barrier around them, so a pot light no longer leaves a gap for warm, humid household air to slip through. Depending on who you ask, it goes by other names too: pot light vapour barrier, recessed light vapour barrier, vapour barrier cover or pot light hat. As its name states, it is intended for use with all IC housings.

IC stands for insulation contact: an IC housing is designed so that the ceiling insulation can touch it directly. That settles where the housing can go, but the opening it occupies still interrupts the vapour barrier, and this extender is what closes the loop. Because it is meant for all IC housings, it gives you a consistent method across a whole project, whether you are roughing in new construction, finishing an addition or opening up a kitchen ceiling during a renovation. The goal is a continuous vapour barrier over each housing, fewer air leaks into the attic and a ceiling that keeps doing its part in the building envelope.

In Canada, the ceiling beneath an attic separates heated rooms from a cold, ventilated space for much of the year. When warm air slips past an unsealed housing, it takes heat with it, and its moisture can condense or frost on cold framing and insulation. Upstairs bedrooms and bathrooms, the main floor of a single-storey home, hallways under the attic, cottages with insulated ceilings and top-floor offices are all good candidates for vapor barrier pot lights. Plan an extender for every IC pot light below an unheated attic, and close each opening properly.

The weak spot in an insulated ceiling
Picture a top-floor ceiling in the middle of a Canadian winter: warm, humid air in the rooms, a thick layer of insulation in the attic, and a vapour barrier on its warm side. Every pot light pierces this assembly, and around a bare housing, indoor air can work its way into the attic with its heat and moisture. That is the problem a vapor barrier extender addresses. It caps the housing and ties it back into the surrounding barrier, so the housing ends up on the warm side, where it belongs. For anyone planning recessed lighting vapor barrier details, it is the missing piece.

Made for IC housings
IC housings are the usual choice in insulated ceilings because they are built to be surrounded by insulation. As its name says, this extender is for use with all IC housings, so an electrician or general contractor can standardize on it for an entire house, even when the layout mixes different housings from room to room. Before installation, read the instructions that come with your IC housing and your recessed lights, and make sure the combination suits your ceiling.

Heat loss, condensation and comfort
Warm air escaping into an attic takes heating energy with it, and its moisture can condense or freeze on cold framing, roof sheathing or insulation. Over time, that can mean damp insulation, marks on the ceiling and a draftier top floor. Such air leaks are also a known contributor to attic frost and ice dams in cold climates. Sealing each opening with a recessed light vapour barrier is a simple way to keep the building envelope working and to limit heat loss.

Planning and installation tips
Order the extenders along with the housings, so they are on site when the insulation and vapour barrier go in. Keep the breaker off while you work, and leave the wiring of the fixtures to a licensed electrician, following local codes. Seal any cable entry and join the extender to the surrounding vapour barrier with the same care as any other barrier joint: no tears, no gaps, overlaps sealed. The insulation then goes back over the ceiling as usual.

Typical projects
New homes and additions, top-floor renovations, upstairs bathrooms where showers load the air with moisture, cottages with insulated ceilings and top-floor offices under a flat roof are typical jobs for a pot light vapour barrier. If your project calls only for small ICAT pot lights, have a look at the smaller-housing version of this vapour barrier extender. For all your other IC pot lights under a cold attic, keep this extender on hand.