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I am writing this just to let others know in case they come across the same problem. I have spoken to both Celotex and Redland on the correct set up for the roof covering. If the rafters are partially filled (so you have an air gap) then you use a breathable felt, but there is no need to...

Hi. I am having a problem with a pop up waste leaking and cannot seem to stop it, no matter what I'm trying. It is a slotted waste with a rubber seal to sit on the top of the sink and I am using a basin mate for underneath. There are two sinks, one is fine and the other is not. I think...

Hi. I've read through it, but I'm still not 100% sure on the best way to go. I have 150mm rafters and have been told by Celotex that I need to put 100mm of insulation between and 40mm underneath, I will also be using a breathable felt. I Have had a few roofs done in the past with...

Cheers noseall. I'll have a read through it.

Hi. Can someone explain or give me a link on the differences/reasons for the need to counter batten. I'm building a Dormer Bungalow, which has vaulted ceilings and I want to calculate all the options that I have of insulating and fitting the roof. Thanks.

I have now heard quite a few things about the Viessmann on this site and other places on the net. Is the 100 model a decent boiler and does it also have a Stainless Heat Exchanger. Good to hear that they do honour the warranty.

Hi muggles. He advised me to go with a worcester, which was the same advice from another plumber I know. He does know which size boiler I need and has an idea of the top brands, but as he hasn't been in it long enough he hasn't got enough time under his belt to have his own personal...

I've spoken to him and confirmed that he is an approved installer for Worcester. As I am planning to rent the property out the warranty is a major factor to me. It's a three bed dormer bungalow, so it's not that big. Would a less powerful (28kw) Worcester boiler be a better choice than the...

Thanks guy's for the advice. The installer is a friend who has been qualified for only 18 months. I don't know if he is an approved installer. I'll have to check if he is and for what. He isn't doing me any favours on the price, I decided to use him because he is a friend, but I have...

Hi. I have just received the quote for all the materials that are going to be used for the central heating system and the boiler that has been chosen by Plumbase is a Viessmann vitodens 100 35kw. I am going to be renting the property out, so the last thing I want is to be having problems...

Hi. I am thinking of putting K rend or a similar brand on a new property, but would like to know the difference in costs between the two. The labour between the two is similar at £10 per m, but the material is a lot different. Monocouche costs around £10 per metre, but I'm not sure of what...

Cheers John. I'll do what you say and see how it goes. Thanks.

These pop up wastes look good and are very practical, but the wall of the main body doesn't seem to be thick enough to seal against the face of the washer, either that or the washer is to thin. I think I'll get in touch with the manufacturer. Do you think that a bit of silicone on top of...

Hi Burnerman. I have replaced the rubber washer a few times. I thought that as the bottom of the waste is machined flat and not tapered it should seal flush to the top of the rubber washer, but the waste seems to be slightly bigger and the washer is sealing inside it. I've never used...

Hi. Can somebody give me advice on what I can do next. I have bought and fitted a pop up basin waste in both of my bathroom sinks. http://www.screwfix.com/p/sprung-basin-waste/41691# I originally bought them from Toolstation, but had issues with one of them and after replacing it...

Cheers Static. That's what the Engineer said, but I just wanted to check for my own curiosity.

Hi Static. I'm not to concerned about the look as they will be getting covered. I was more interested in the overall cost, both in materials and labour. I will have to pay for the cost of the steel, the fabricator and also the crane and labour costs of getting them in. Not sure if...

Hi. Has anyone had experience with Glulam beams. I've got quite a bit of steel needed for the roof construction and I just wanted to find out if it was easier and more cost effective to use These beams instead. Thanks.

Sorry guy's for taking so long to grasp this, but I think I've finally got it. The only time a cavity tray would be formed at DPC level is if Radon protection is required, therefore creating the cavity tray from the Radon membrane. The reason this has confused me so much is because I have...

Please keep posting freddymercurystwin. I'm learning a load of information. :D It's just taking me a bit of time because I have seen things done in the past which are either wrong or not needed. Cheers.