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During the last year since we moved into our house there have been random days where we found the boiler pressure at zero. We would refill and all would be ok for anything between 1 day to two months. The boiler is a Rhino oil fired combo about 4 years old. More recently it's started doing it...

Thanks woody. I was thinking about filling the voids behind with mortar anyway, so it seems it was a good idea then. I don't have many of those!

Yeah, I know what you mean. I hate getting up early as that's the best time I sleep ironically, but I do like it when I emerge. Do you think the uneven surface would require more anchors given that the ledger won't lay perfectly flat the whole length?

Wow, thanks guys. I was thinking more like 2 every 4-500! It's a really uneven granite block surface it's attaching to and I will need to pack it a bit as well as there won't be much flat surface to lay against. so given that, would it make much difference? Are you on nights noseall, or just a...

Hi Ree. It's a little office I'm building in a small granite wall outbuilding. The floor is concrete, but incredibly unlevel. So I'm going to do a ledger plate with suspended floor.

I've searched as best I can, but can't find what the recommended bolt spacing is for attaching a ledger plate to a wall. I am using a 6 x 2 joist as a faceplate for a suspended floor spanning 3.5 metres with support in the middle. I plan on using some M10 x 140 throughbolts but have no idea of...

That's exactly the kind of answer I wanted... a really simple yet brilliant solution. Thanks a lot!

I am planning on laying a patio path which drops about a foot in 25 feet. How can I do this accurately?Marking it in twine doesn't work due to sag etc. Any ideas? Thanks.

Thanks Frank. I was wondering about which sand too, but what you say makes total sense.

Hi. I'm going to be putting a huge heap of granite boulders to use and build a garden wall. I was wondering what mortar mix I should use? The wall will only be about a metre tall and around 35cm wide. I will be using mortar as I fail badly with dry walls!

Sorry for the delay. Just got back from a wonderful holiday mostly spent looking at the back of queuing cars! The 40mm waste pipe comes from our water treatment for our well water. It washes itself every 3 days on average, and will pump out a lot of water in the process. This is half the...

Sorry for a less than subtle *bump* but I'm about to get started so would really value any opinions. I would also like your thoughts on how deep to lay flexible drainage piping under a loose gravel driveway? Thanks.

Hi. We've just moved into our house which is in need of a little surface water drainage. The property is on a slight slope and has one large barn (25mtrs long) with corrugated roof and obviously no guttering. One side faces the slope and so you can imagine how the water collects there after...

Thanks for the reply Rory. Your solution sounds like a good plan. The problem I have is that the drop I have is so uneven and runs from top right to bottom left, and to suspend the floor enough would mean I run out of height. All I can think of is to use assorted timber and packing as I go! Very...

Hi. I'm converting my small garage into a music studio. My first job is to install some floor insulation, so my intention was to build a timber frame lay down some dpf and 50 mm insulation followed by 22mm t&g. Problem is that the otherwise sound concrete slab is very uneven, dropping about...