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Channeling concrete floor for Air Brick ducting
My 1930's house has two air bricks in the front and one in the back. The surveyor said we need to improve ventilation, however the timber suspended floor has been enclosed by modern extensions with concrete floor, so it's not trivial to add air bricks since there's no straightforward way to reach the outside from the timber floor area. I have three options: 1. Install internal hit-and-miss vents. My worry with this is that it'll introduce cold air, which will be particularly bad since I also want to install underfloor heating (which requires good insulation under the timber floor). I'm also worried about Radon gas buildup. 2. Dig through the concrete and install a pipe from the outside back (where I place a new air vent) up until under the timber floor (approx. 4m). My worry is that this will be expensive, and also might destroy the damp proof membrane under the concrete and generally might compromise the concrete floor. 3. Add extra air bricks at the front which is easy (no concrete). But it probably won't work well since the air needs to flow throughout the house. Any advice please? Any option I might have not considered? submitted by /u/bimpobom [link] [comments]
My 1930's house has two air bricks in the front and one in the back. The surveyor said we need to improve ventilation, however the timber suspended floor has been enclosed by modern extensions with concrete floor, so it's not trivial to add air bricks since there's no straightforward way to reach the outside from the timber floor area.
I have three options:
1. Install internal hit-and-miss vents. My worry with this is that it'll introduce cold air, which will be particularly bad since I also want to install underfloor heating (which requires good insulation under the timber floor). I'm also worried about Radon gas buildup.
2. Dig through the concrete and install a pipe from the outside back (where I place a new air vent) up until under the timber floor (approx. 4m). My worry is that this will be expensive, and also might destroy the damp proof membrane under the concrete and generally might compromise the concrete floor.
3. Add extra air bricks at the front which is easy (no concrete). But it probably won't work well since the air needs to flow throughout the house.
Any advice please? Any option I might have not considered?
[link] [comments]
