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During digging footings for an outbuilding at the bottom of our 1928 house formally of farm land in London suburbs I came across this pipe. It is about 1 m below ground level and around 2.5 " in diameter. 2 pipes can be seen butted together with a small gap that a knife can slip inside where...

I am looking for an alarm, but I don't want it to be alarming to neighbours if it goes off, any suggestions?

After some searching I found a reputable manufacterer's sheet on their drawer runners in which it stated the width of the drawer should not be longer than the closed drawer runner length. This would mean that wide drawers as seen in common chest of drawers are a no no. I guess the drawer may...

An interesting set of pics from a self builder here: http://www.tony.warner.btinternet.co.uk/photo.htm A question for those more expereinced than myself, take a look at this set: http://www.tony.warner.btinternet.co.uk/Phase1c.htm He/she have laid the concrete to below DPC and I guess...

As I slowly collect old bricks for an outbuilding with a solid floor area of 10m2 with an anticipated 150mm of hardcore. The 1.2m3 of bricks I have steptoed* so far will need to be compacted after first being crushed by sledge and then mixed with sharp sand as laid, then finally blinded with...

I am considering adding internal insualtion to a house with 9" solid brick outer walls on a room by room basis as I decorate. But on some parts of the house eg the outside wall where the stairs run, I would have to compromise at 25mm (extratherm etc), otherwise the stairs would become too narrow...

Looking at the relplacement windows at various houses in our road, I have noticed a wide variation in how the replacement window frames have been positioned by the companies involved. In many cases the frame of a bay is positioned further into the house than the origonal was. On one house...

I know how to lap a dpm into a cavity wall on a new build, but is there a chance of damp proofing failure with a single leaf wall? The idea is to build an non habital dampproof single story outbuilding for storage purposes. I would plan to lay the edges of the dpm over the top of the...

I wish to stop a vibration from a CH pump being transmitted along feed and expansion pipes as it is causing an internal wall to act as a sound box. Has anyone used those ~ 12" flexible compression fitting pipes to achieve isolation? Or is plastic any better?

I currently have a 15-60 connected to 28mm pipe and on setting 3 you hear some turbulence in the pump, but setting 2, the flow is not enough. The performance graphs (from memory) are identical for these two pumps, but would a 25-60 be any quieter? I have examined Grundfos' site but so far...

I am looking at a recent professional CH installation where there are very long runs of 22mm copper. There are regular offsets to take up the thermal expansion (2mm at an elbow), but the offsets are short so it seems to be just the fittings that are bending to take up the thermal expansion...

A link with some relevant info: http://www.engineeringtoolbox.com/boiler-combustion-efficiency-d_271.html A combustion print out in my hand for a Keston boiler gives XAIR 36% at high rate and 45% at low rate. Is the reason for having this amount of excess air to keep the CO as low as...

Hello all, I have been given the task to look at a couple of these rumbling chaps in a non domestic building. Turney Turbines as a company no longer exists so I cannot ask them for support. I pumped some grease through their nipples and replaced an A31 belt and now the rumbling has reduced...