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Da Bungalow

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Bungalow recycling…


Week 13.   Or at least, my body thinks it’s week 13, whereas the calendar says it’s week 3.  It’s really odd looking back on the demolition.  Starting to strip tiles off seems so much longer ago than 20 days.  Most odd.

 

The week started with a tidy up day, as Steve wasn’t there.  Almost all of the wiring for da bungalow ran through the loft, and was set to be in the way so out came my new and wonderfully sharp side cutters.  About 5 minutes in they went back in my pocket and were replaced by a cordless angle grinder with a thin metal cutting blade.  Super quick especially when a bunch of wires were involved.  Habits and techniques quickly and unconsciously form through trial and error or, more often on this project, by watching Steve.  He’s had best part of five decades building and I’m lucky to be able to tap into that.

 

More luck comes in the form of a guy scrounging firewood at the tip.  Phone numbers exchanged (goodness that sounds dodgy!) and a promise to let him know what we have available.  It transpired that the ground worker didn’t have a use for our roof timbers so in two runs the wood man has removed about 5 cubic yards and wants all but the nailiest bits.   More skip savings and he seems to understand that for it to work he has to turn up when agreed and load up without help.   Marvellous.

 

So on Tuesday we started stripping off the internal plaster.  The external walls are 4” x 2” stud with metal lathe either side then pebble dash outside and a weak cement render inside with a skim.   Between the studs is a patchy application of white fluffy insulation, which had settled significantly, or was completely absent where they missed sections.   A fantastic illustration of the cowboy insulators of yesteryear.  


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The plan was to knock off the internal plaster, then peel off the wire to grab and bag the fluff section by section, then thump the pebble dash off from inside.  We had visions of the whole neighbourhood being covered in wind blown non bio degradable fluff for decades to come.  

 

We soon discovered that the tool of choice was yet again, my trusty spade, backed up by my SDS with a funny crushing bit.   Hours of hacking leaves the wire mesh clean enough to go in metal recycling.  The render was then barrowed to the growing aggregate pile in the back garden to be used to build up the solid floor.  Peeling off the metal lathe involved much yanking with a nailbar and we generated an enormous pile of plastic bags of captured fluff, the only non recyclable bit.  Quite pleasing. 

 

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The frightening bit was knocking off the pebble dash.  Too easy. It came off in huge bits with very little effort.  It happened so quickly that once we’d cleared that up we had time to start cutting down some stud work.  We started with the end wall.  A couple of high level cuts and a gentle push and down it fell into the garden, in two sections, with a small plume of wood dust from the disintegrating rotten sole plate.  If our neighbours see these bits they’ll be scared stiff at the likely condition of their near identical bungalow, built as a pair roughly a hundred years ago. 

 

The chimney and masonry wall in the centre of the bungalow forms a stable support to the side walls as we’d left the joists connected for safety, so we started cutting out an upright and a joist at a time.  These walls are only a meter from our neighbour’s walls, so I stood for a good few minutes having a bit of a wobble before doing the first one.  It finally occurred to me that the years I’ve spent cutting trees down (an odd hobby but a satisfying one) were of use.  Just think of the studs like little trees.  Worked a treat.  So on Wednesday we went home pleased with progress.  

 

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I was alone on site Thursday and Friday so it was tip runs to get rid of the fluff bag and wire mountains, and lots more hours of spade work stripping plaster.  When on Friday I realised how dusty the site (and our neighbours front patio) had become I quickly deployed the hose to damp the floors down which improved the feel of the shell significantly.  

 

I had a day off Saturday, and J and I visited site for J to tend plants and see progress first hand. Oddly, I found not working really difficult.  I really needed the weekend off, especially my shoulders, but my head felt I should get in there.  As both J and Steve remind me constantly, it’s a marathon, not a sprint, and there’s always tomorrow.  But stopping before exhaustion is, I find, very difficult.

 

My body clock has shifted completely now.  I wake before 06:00 and lay there thinking stuff through as there’s no way I can get back to sleep even though I’m still tired.  

 

We’re still chasing quotes on many things, and it seems in a lot of areas our need for early quotes simply doesn’t fit the industry.   We are asking too early, though of course we want the info for both budgetary reassurance or to be able to plan nicely in advance.  However getting numbers requires the work to be imminent, it appears.   

 

This is even the case with our BCO.  He wants all changes from the architect drawn building regs plans authorised by a grown up.  Acceptable grown ups include architects and SEs.  A good example is the attic.  We do not want eve vents, we want just ridge vents and a roof sealed by OSB (sort of sarking).  Our architect refused to remove the eve vents as that’s what he’s always done, so we are fortunate that our SE is happy with our alternative plan.  All I have to do is draw it up and submit it to Bob, our SE, for approval.  I know that’s vital work but as it doesn’t involve a spade it somehow feels less so.  Yet another odd thing. 

  • Like 2

26 Comments


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BotusBuild

Posted

We started as weekend and holiday time builders as I was still working. We're now weekday builders and the switch was strange.

The 6am morning 🤣 Yep, that's a self build thing.

And power tools (angle grinder v manual cutter) are your friend. They will save those joints 😉

LSB

Posted

Good progress, well done

 

Iceverge

Posted

On the Roof ventilation side I think you are planning insulation at ceiling level and a pitched roof?

 

If so I would opt for a sealed roof and zero ventilation in the attic to prevent wind washing of the insulation. 

 

Have a look at Tyveks detail for a non ventilated cold roof.

  • Like 1
G and J

Posted

  On 06/04/2025 at 15:47, Iceverge said:

On the Roof ventilation side I think you are planning insulation at ceiling level and a pitched roof?

 

If so I would opt for a sealed roof and zero ventilation in the attic to prevent wind washing of the insulation. 

 

Have a look at Tyveks detail for a non ventilated cold roof.

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Bang on, and I was keen on that approach but I've erred on the side of caution - ridge vents to give some ventilation without the wind-wash gale of eve vents thus helping the soft fluffy stuff laid over the bottom cords of the trusses do their stuff.  This option feels like it’s gaining 90% of the benefits with very little risk.  And hopefully even more rodent resistant.   
 

Bob (our SE) isn’t quite so keen on Tyvek.  He thinks they have a tendency to overstate. 

G and J

Posted

  On 06/04/2025 at 08:39, BotusBuild said:

We started as weekend and holiday time builders as I was still working. We're now weekday builders and the switch was strange.

The 6am morning 🤣 Yep, that's a self build thing.

And power tools (angle grinder v manual cutter) are your friend. They will save those joints 😉

Expand  

I think we need to increase my Makita budget!

  • Like 1
Iceverge

Posted

I'm not a huge fan of Tyvek. I think the quality of glidevale vp400 is better than tyvek supro for less money.

 

Are you planning to penetrate the membrane with the ridge vents?
 

A sketch would help. 

G and J

Posted

  On 06/04/2025 at 16:00, Iceverge said:

I'm not a huge fan of Tyvek. I think the quality of glidevale vp400 is better than tyvek supro for less money.

 

Are you planning to penetrate the membrane with the ridge vents?
 

A sketch would help. 

Expand  

How's this....

 

image.thumb.png.4bf4dc132a239546910d3b09f191c306.png

 

My thinking is that the VCL, being part of our 'airtight balloon skin' (such concepts help me, regardless of how daft they sound), will reduce the amount of steamy human stuff that evaporates into the attic.  Therefore we won't need a gale blowing through there to keep it dry.  The OSB is a bit breathable, the breather membrane being counter battened will deal with what little moisture vapour there is, and the ridge vent is a belt and braces thing, and won't scare any horses.

 

With the eves sealed then the thermal performance of the roof should be fab. 

Iceverge

Posted

Yeah, that's tops. 

 

That'll be excellent. 

Sparrowhawk

Posted

The ridge vent will also allow a way for the hottest air to get out - which is my current thinking on why to keep a few eaves vents plus ridge vents. Upstairs the biggest overheating problem we have is the roof space warming up and penetrating down through the loft insulation. The cooler I can keep the air in the attic the better...

G and J

Posted

  On 11/04/2025 at 06:42, Sparrowhawk said:

The ridge vent will also allow a way for the hottest air to get out - which is my current thinking on why to keep a few eaves vents plus ridge vents. Upstairs the biggest overheating problem we have is the roof space warming up and penetrating down through the loft insulation. The cooler I can keep the air in the attic the better...

Expand  

Interesting.  Our fluffy loft floor will have the best u value of the whole build, looking at 0.1.

 

Do you know what sort of temp your loft gets too?  I’m guessing even with fab insulation if it’s hot enough up there then some of the heat will filter through.  

Nickfromwales

Posted

Have you not considered getting a local carpenter / joiner to price you to do a ‘cut’ (attic) trussed roof to gain a decent useable attic space, eg one without all the W timbers tripping you up when you go to get the Xmas tree out? 
 

Shocking state of the structure etc, just crazy to see what people are happy to just blindly carry on pumping gas and electricity into. 😣

G and J

Posted

Hi Nick, J here, my "mantra" for our move is less stuff not more storage, so not planning on having anything in the loft....we'll see how that goes!

 

Seriously though that's one of the reasons we're comfortable with the old fashioned w trusses being provided as part of out frame kit.

 

Always good  to "test" the thought process though

  • Like 2
Nickfromwales

Posted

  On 11/04/2025 at 08:37, G and J said:

Hi Nick, J here, my "mantra" for our move is less stuff not more storage, so not planning on having anything in the loft....we'll see how that goes!

 

Seriously though that's one of the reasons we're comfortable with the old fashioned w trusses being provided as part of out frame kit.

 

Always good  to "test" the thought process though

Expand  

“Continue”.

 

😜

G and J

Posted

  On 11/04/2025 at 08:20, Nickfromwales said:

Shocking state of the structure etc, just crazy to see what people are happy to just blindly carry on pumping gas and electricity into. 😣

Expand  

The energy inefficiency of da bungalow is truly shocking, but I’m guessing that’s true of millions of UK houses.  I am coming round to agreeing with the saying ‘we don’t demolish enough in the UK’.

 

The worst bit is that da bungalow was built as one of a pair.  Our neighbours knew (in fact they told us before we bought it) about what a poor the state the bungalows were in.  But, if they care to look, they’ll see the rotten wood we are pulling out (crumbly sole plates being the worst bit) and I think even the faintest heart would despair.

 

What do you say to peeps in such circumstances?

marshian

Posted

  On 11/04/2025 at 07:56, G and J said:

Interesting.  Our fluffy loft floor will have the best u value of the whole build, looking at 0.1.

 

Do you know what sort of temp your loft gets too?  I’m guessing even with fab insulation if it’s hot enough up there then some of the heat will filter through.  

Expand  

 

I know what temp ours gets too................. Highest in 2024 was 40.2 Deg C, Lowest was -2.1 Deg C

 

Summer months pretty typical to never drop below 25 deg C in the day time

 

Large south facing side - concrete tiles - overheats like an absolute twat!!!

 

Have vented eves - all clear of insulation and they do diddly squit - I'm going to stick an airbrick in each gable end as high up as I can in the hope that it allows some heat to bleed out.

 

Anyway good work on the demolition and skip avoidance

Nickfromwales

Posted

  On 11/04/2025 at 08:59, G and J said:

What do you say to peeps in such circumstances?

Expand  

"Your gardens are beautiful" ;) 

  • Like 1
Iceverge

Posted

  On 11/04/2025 at 08:37, G and J said:

my "mantra" for our move is less stuff not more storage, so not planning on having anything in the loft.

Expand  

 

An honourable notion. 

 

I didn't even want an attic hatch. Certainly no boarding up there. Anything that ends up in the loft belongs in a skip. 

 

I would like a house suspended on weight cells that would shut off the WiFi and TV if a critical balance was exceeded. Curbing than the desire to pack every corner full with ballast. 

 

  On 11/04/2025 at 08:59, G and J said:

What do you say to peeps in such circumstances?

Expand  

 

Don't mention the walls.  

 

Just touch them gently on the shoulder, glance quickly in the direction of their house before staring forlornly into their eyes and say:

 

"I pray for you, everyday, I pray for you"

 

 

 

 

  • Haha 3
marshian

Posted

  On 11/04/2025 at 12:58, Iceverge said:

 

Don't mention the walls.  

 

Just touch them gently on the shoulder, glance quickly in the direction of their house before staring forlornly into their eyes and say:

 

"I pray for you, everyday, I pray for you"

Expand  

Dark very dark indeed :D

Sparrowhawk

Posted

  On 11/04/2025 at 07:56, G and J said:

Do you know what sort of temp your loft gets too?

Expand  

 

50°C on sunny days in summer before we added tile vents (it's a 100yr old roof, re-roofed in 1989 with dark tiles, and no economic way to put a vented ridge on it).

Thankfully it's nearly always windy here, and from memory the vents knocked at least 10-15C off that figure last summer.

 

You will have loads of insulation in your roof, but it's the decrement delay that also matters. How long does it take the heat to enter - and leave - the insulation?

 

  On 11/04/2025 at 08:59, G and J said:

What do you say to peeps in such circumstances?

Expand  

 

You mount a chunk of crumbling sole plate on a plinth and give it to them as a Christmas present.

 

  On 11/04/2025 at 14:20, marshian said:

Dark very dark indeed :D

Expand  

 

Many broken nights recently @Iceverge? :) 

  • Like 1
  • Haha 1
marshian

Posted

  On 11/04/2025 at 15:21, Sparrowhawk said:

You mount a chunk of crumbling sole plate on a plinth and give it to them as a Christmas present.

Expand  

Christ that's darker than @Iceverge

  • Thanks 1
  • Haha 1
G and J

Posted

  On 11/04/2025 at 12:58, Iceverge said:

 

I would like a house suspended on weight cells that would shut off the WiFi and TV if a critical balance was exceeded. Curbing than the desire to pack every corner full with ballast. 

Expand  

I'm with you....perhaps I could put a weighbridge disguised in the block paving 🤔,  J

Iceverge

Posted

Or build it on a floating circular raft in a circular pond. 

 

You could motor it to face the sun like a flower. PHPP would love that. 

G and J

Posted

So I fall asleep on my sofa facing the garden through the patio doors and wake to see the neighbours leaving their front door, averting their eyes from my string vest with boiled egg yolk stains down the front (Onslow style).   I’m not sure I like this innovation lol


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