Best draught excluder for a garage door

evoke

A quick update for anyone else contemplating doing the same thing. Firstly the reason I wanted to do this was to ensure that the pipes and boiler in my garage didn't freeze. I have a LOT of pipes in the garage: waste pipes, cold water main, cold water feed hot water pipes. I also have my boiler in the garage.

I've had a wireless thermometer in there for over a year and last winter the temperature dropped to 1.4 degrees Celsius - that's enough to cause a lot of concern over freezing pipes. I installed a frost heater that should come on below 5 degress Celsius.

Over the last few days I have lined the metal garage door with a thermal foil blanket. This took a couple of hours. It made an instant improvement - probably by around 2 degrees Celsius on average.

I've then used expanding foam to seal all the edges of the garage door frame and then used a heavy-duty rubber threshold to reduce the airflow from the bottom of the garage door.

The temperature in my garage is currently (and overnight) 6.4 degrees Celsius and the outside temperature is -1.

I think that fixing the garage ceiling will improve things by another degree or two so i'm very happy with the results so far. It has cost me around £70 in insulation materials so far plus £30 for the frost heater.

gmgmgm

Good to hear an update.

Note that "fixing the garage ceiling" sounds as though it will reduce the heat moving into the garage... so will actually reduce the garage temperature. If you're happy with the temperature as it is, it may be better to leave the ceiling as it is.

The biggest cause of heat loss is draughts- by fitting the rubber flange you should now have no significant draughts.

Aimingtodobetter

Here is my experience, garage let water in at the bottom due to poor drain in front. Rubber weatherstop seal glued to concrete floor seems to have worked well. Above garage door have insulated with 125mm of polystyrene, the garage door itself is insulated with 25mm polystyrene. Garage now functions as a gym. Have no sort to exclude all drafts, up and over garage door does have a small gap on both sides and top, but a lot warmer than before.