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💡 Lock in warmth, lock out waste — the smart cover your downlights deserve!
The TH140 Pack of 4 Airtight Downlight Covers by Thermahood offers a high-grade flame retardant polymer construction designed to maximize energy efficiency by preventing heat loss and air leakage around recessed lights. Measuring 190 x 190 x 140mm, these black covers are quick to install, durable under pressure, and enhance overall insulation, delivering long-term cost savings and improved building airtightness.












| ASIN | B0765WCQXM |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 5,897 in Lighting ( See Top 100 in Lighting ) 125 in Pendant Light Fixtures |
| Colour | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (320) |
| Date First Available | 18 Jun. 2017 |
| Item Package Quantity | 4 |
| Item Weight | 190 g |
| Item model number | TH 140 - 4 |
| Manufacturer | Thermahood Ltd |
| Measurement System | Metric |
| Part Number | TH 140 - 4 |
| Product Dimensions | 19 x 19 x 14 cm; 190 g |
| Shape | Square |
| Size | 19 x 19 x 14 |
A**R
Excellent sturdy product
So easy to install using a non solvent type adhesive just position over lights with cabling in the correct position and draw round with a pencil apply a thin line of adhesive just inside the line and press firmly into place they seem to have cured the discolouring of the ceiling. Mine where fitted in a loft new insulation placed around them and smaller pieces placed on top to cover. Simple
M**N
Excellent safety measure that's cost effective.
I did some work in my loft and noted that my bathroom downlights were linked to a near burnt connector block. Having sorted this out the reality of a fire in the loft did become a reality and so I decided that I'd go for these to keep my units cooler and away from the insulation. These are great items and easy to fit and just give you peace of mind when you're looking up at the ceiling.
M**L
Pretty satisfied with the product as a physical barrier
Have 3 down-lights in the bathroom and used this product to protect top-up loft insulation I was laying. Unfortunately two of the lights were close to structural supports in the loft, so had to trim the Thermahoods; this was relatively easy with a junior hacksaw. While they are no longer air tight and will not totally prevent heat loss due to cutting, they still act as a suitable physical barrier to prevent contact between the lights and the insulation. Overall, pretty satisfied with the product.
C**N
quality of product
Outstanding quality of frame and connectors.
A**I
Perfect for the job - good shape to accommodate light fitting
Great for protecting lights when installing new loft insulation. Square shape allowed for ample room to accommodate light and attachment which was at right angle to the light fitting. I secured them to the loft floor with gorilla tape rather than glue. Expensive for what they are but they do the job well
D**O
Good quality
Arrived in a few days, are good quality, and do the job perfectly.
S**E
Easy to install.
I say easy to install, if you are in process of insulating your loft. I've just installed a second set, to cover those downlighters I have mounted in inaccessible roof voids, which I could only do because I had the roof tiles off to relay at the time. In conjunction with the new insulation, seem to have cut down at least, the draughts.
D**E
Do the job they're supposed to do.
Expensive for what they are but there is very limited choice available out there. They are sturdy and do the job well though. Cable cut out is good and let's the good sit flat.
P**E
ok
2 de cassés à réception, mais remplacés rapidement et gratuitement.
Trustpilot
1 week ago
2 months ago