New-construction pot light layouts in insulated ceilings need a housing that can sit in contact with insulation and stop air leaking into the attic. The Galaxy Lighting RL-RT2000AT is a 4 inch dedicated LED IC housing for insulated or non-insulated ceilings, built from aluminum and steel and rated airtight. Builders and electricians rough it in before drywall, then finish with a compatible 4 inch LED retrofit trim.
Why builders pick it
- IC rated, so it can be buried in attic insulation on top-floor ceilings.
- Airtight construction tested to ASTM E283 (Washington State Energy Code), which helps cut heat loss and drafts through pot lights.
- Damp location rating per Galaxy Lighting, so it suits covered soffits and bathrooms outside the shower zone.
- Compact 5-1/2 in tall body for tighter joist spaces.
- Designed for 4 inch LED downlight trims up to 18 W.
Specifications
| Spec |
Detail |
| Brand |
Galaxy Lighting |
| Model |
RL-RT2000AT |
| Type |
4 in dedicated LED housing, new construction |
| Insulation contact |
IC rated (insulated or non-insulated ceilings) |
| Airtight |
Yes, ASTM E283 |
| Maximum lamp |
18 W LED downlight |
| Material |
Aluminum and steel |
| Location |
Damp |
| Size |
4-1/8 in D x 8-1/2 in L x 6 in W x 5-1/2 in H |
| Safety listing |
CSA or equivalent |
| Trim / lamp |
Not included |
Pro tip from the counter
Buy the trims when you buy the housings: Galaxy lists its RL-RT200 series 4 inch retrofit trims (white, brushed nickel, chrome) as the matching pieces, and the housing is only rated for an 18 W LED downlight. Checking trim wattage and fit at rough-in avoids a return trip once the drywall is up.
Best for: new-construction pot light layouts, top-floor ceilings under attic insulation, basement finishing, builders roughing in 4 inch downlights
Ships Canada-wide from Vaughan, ON. Contractors can get trade pricing on multi-housing orders through a quote or by calling (905) 553-7171.