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Thanks for you reply WYL, I think I am prepared to take this on myself, I assume I would have to hire a specific type of nail gun. The boards have been stored in the (dry, warm) room for over 2 months, would I expect any shrinkage or expansion to take place once they are fitted? Would I have...

Hello, I have 30sq metres of 18mm English oak flooring to lay. The planks are of various length and widths, all T&G. Can I (or preferably someone else) lay and nail the planks directly to the joists (they are 290mm apart) or do I have to lay a ply subfloor ? Also, what is the going rate to...

Yes, it is a 2 pipe system using 22mm plastic pipe, the rad sizes nor are the pipe runs excessive. Yes, I have one rad 'out on a limb' So it looks like you have answered my question - use the least amount of pipe possible. Thanks for you replies.

Sorry Slug, re-reading my initial post does sound vague. It was a general question on design and not to solve a problem. I'll try and make it sound clearer. Ok, I have 2 pipes entering the first floor level, flow pipe coming from zone valve, return going back to boiler. In the normal scheme of...

In terms of efficiency, is it best to run flow and return in a loop ending at the last radiator or will it compromise the heat transfer capability if another flow and return is Tee'd off. I have a remote radiator and it would be easier if I just took a Tee off the main flow/return. Thanks in...

Hello, Can anyone supply a wiring diagram for the above? I can find a diagram when 2 zone valves are fitted, but not 3. I have designated a valve for hot water cylinder, one for the ground floor heating and one for the top floor and attic room heating. I want to be able to control each zone...

Thanks for all your replies - just bought a right angled drill attachment from Ebay !

Hello, I want to route 22mm flow/return CH plastic pipes to rads and I want to drill holes through the joists to feed the pipes through instead of cutting slots on the top with a saw. However, the joists are too close together to get a drill in between to cut a hole that is at right angles...

Hi big-all - they have been like that for ages, it doesnt looked like they have been dipped judging by the number of coats of paint. They have been warped probably for many years.

Hello, I have several internal panel doors, each as old as the house itself ( about 80 years), and most are warped, some as much as 4cm difference between top and bottom. They are made of heavy pine, and are of normal solid construction, some 3 panel, some 2 panel. Is there a method to...

Thanks Doitall, I await your drawing.

The boiler is a great big ugly floor standing unit, I'm trying to find justification to replace it. It was probably converted from gravity to fully pumped in the past, and judging by the 15mm plastic pipe embedded under the concrete to the conservatory, I think good plumbing practice was thrown...

Yeah, it's quite a big house, semi, with solid walls and draughty sash windows, the upper floor is part of the roof space, so I would imagine the heat losses would be high. As it happens, some of the rooms still have existing fireplaces, I already have a real fire in the living room and gas is...

I agree, that is one neat installation doitall 8) , I only wish I had the space to do something like that. I notice that the system is using 2 pumps, and possibly 2 boilers, now in my case, assuming I'm opting for 22mm, would it be better to use a second pump for the 3rd floor ? Another thing...

So what do I do ? I have a house with 3 floors, size (in metres) is 7x10x8.5 plus a conservatory 10x3.5, so it seems like the 80kbtu boiler is inadequate, I would need a boiler in excess of 100kbtu going by ChrisR's calculation. Boiler aside, I am redeveloping the upper floor (2nd), 3 rooms...

Thanks for all your excelent replies. While I'm moving the cylinder, do you think it is worth replacing the existing 22mm diverter for a 28mm one ?

I can understand your argument if the complete circuit was 28mm, but surely when the 28mm pipe is reduced at the divertor/pump/cylinder as it is already, the flow rate is not going to be any greater if the 28mm pipes are 4 metres or 1 metre in length. Even if I instal a 28mm divertor, the flow...

Thanks for all the replies. It certainly does look like a gravity feed conversion to fully pumped, the boiler is quite old, and there are a few hacked out 28mm pipes lying under the floorboards on the first floor. Considering the pipes are 28mm up to the diverter valve/pump and then 22mm from...

Hello, I have a question - The flow and return pipes from boiler are 28mm and they are reduced down to 22mm when they reach the divertor valve and pump on the first floor. Now, are there any reasons why the 28mm pipe from the boiler cant be reduced down to 22mm as soon as they leave the...

Yeah, 2 extra pipes with 2 old valves, bent and twisted from succesive owner's DIY attempts and completely out of parallel. Maybe I cant paint them brown and green and pretend they are some kind of climbing vine.