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Hi, Our new kitchen extension is open plan onto the downstairs hall and staircase. So we've fitted linked alarms in kitchen (heat), hall (smoke) and landing (smoke), and fitted egress window hinges to all bedrooms. Building control now want a linked smoke alarm fitted in the master bedroom, along with a fire door, because the master bedroom has an ensuite bathroom. I don't understand the need for a bedroom fire door and bedroom linked smoke alarm just because the bedroom has an ensuite. Please can somebody explain. Thanks.

I have just turned on the MVHR a couple of days ago and I keep getting smoke into the intake of the MVHR from on of my neighbours chimneys which is about 10m away. With the weather not being so good in the last couple of days, they have been using their log burner and I'm kind of forced to switch the unit off unit I come up with the solution. My unit has a summer bypass and I was thinking of switching this on when I can smell/detect smoke. I'm trying to find a solution ESP based most likely to detect smoke in the intake and either switch the unit off or activate the bypass until no more smoke is detected. I'm in the process of building a Wemos D1 mini with Tasmota loaded on it with 3 relay to control the 3 speeds on the unit + other temperature sensors attached. I have some spare GPIOs so I can attach some kind of sensor and control the unit based on the smoke readings. If this fails I was thinking of making a prefilter box with some carbon granules and have the smell absorbed. But I think this way I will introduce more pressure into the system and I will have to speed up the unit and consume more power. I'm looking for ideas on how to proceed, any help is appreciated! PS: My neighbours are lovely, but this is a problem that I haven't foreseen and I need to find a solution quick so my wife stops complaining

Hi, We are renovating our current two storey property and taking the opportunity of building dormers in the loft and introducing a MVHR system. As all floors will be accessed from a single stairwell, all of the rooms leading on to it need to have FD30S rated doors. Consequently I cannot create sufficient gaps under the doors to allow the flow of air for the MVHR system ( I understand the maximum for smoke rated door is 3mm whereas I need 8 -10mm). I do not wish to use smoke thresholds as the intention is to have 'unbroken' flooring throughout the area and wish to avoid cutting holes in the oak doors. Can anyone assist in suggesting either a suitable fire and smoke rated vent product that can be inserted in the walls for each of the rooms , or is there an option to use another fire protection solution for the stairwell which would obviate the need for FD30S doors? Many thanks for your assistance

Hi. Current annoyance is trying to find a supplier for a stairwell smoke ventilation window / roof vent for a pitched roof. Anyone got a lead for such a supplier ? Has to open to 120 degrees from horizontal iirc. Thanks all.

After finishing my boys attic 'conversion' I now need to fine tune which detectors go where. I need 1) for attic room 2) for back bedroom ( above kitchen ) 3) landing 4) hall ( current battery one goes off when I cook steaks ) 5) kitchen ( heat obviously ) My main concern upstairs is technology catching fire. PC / tv / consoles etc on standby through the day ( 4 kids so don't even say to put everything off during the day, never going to be a realistic option ), with same downstairs but more about appliances there. Location 4 is the tricky one, but advice as to which is better, where, and hopefully why would be gratefully received. Thanks all. Edit to add : there are two bedrooms under the attic room, should I go crazy and cover those rooms too, or will the landing detector suffice?