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Annoyingly i broke a tile walking across the roof - see photo. As the tiles are nailed i can't seem to remove the old tile to slide in a replacement. I don't want to force anything in case i break anyhting else. Are there any tips for repalcing nailed tiles? Do i need to somehow replace the nail...

Thanks (again) Noseall. And I need to nail every tile, correct?

Hi I will be installing forticrete Gemini tiles to my extension. The tile is 15mm thick and battens will be 25mm thick. In the instructions for the tiles it says to use 45mm nails, but this means the point of the nail would protrude 5mm under the batten potentially piercing the membrane. Is...

Thanks Noseall, think I will get them on site before I make the roof just to be on the safeside. many thanks Adam

This is probably a basic question but i will be ordering some roof lights for my extension soon, if the size I am ordering is 780 x 1180 then the gap i leave in the roof structure is the same correct? There is no extra required i.e 800 x 1200 for frame etc? (obviously leave an extra mm or so for...

Hi, Just to clarify things a bit. Noseall had it correct when he said it was a dormer type setup. The GRP valley isn't fixed yet so can be moved down someway as i left a big overlap with the upper valley. I have had a go at marking up the attached picture which will hopefully show the...

Thanks guys. That makes sense. Woody, although it looks like a pitch where the blue meets the green is actually a wall - I will clad this with lead from the soaker to under the tiles. I'll be giving it a go at the weekend so might be on again then!!

Hi, I am undertaking an extension and currently on the roof. There is a detail which is puzzling me and i would like some advice on how to undertake it properly - not bodging as I would have done! See the attached photo. The green felt is the existing roof which hasn't got baton on yet. The...

Hi all, Couple of questions from me. I am undertaking an extension and at the roofing stage. I have had the structure of the roof built by someone and I am planning to undertake everything else - how hard can it be! Is there a consensus on a better system for valleys? Dry or not? I was...

Perfect! Thanks for your responses. I shall go ahead an stick the insulation straight on :D

Hi, I will pouring the floor slab in my hall next. I will need to start walking on it as soon as it has gone off. However that would leave me with a 200mm step in to every room off the hall. I was planning to put the insulation down as soon as possible and then board over the top and put the...

Hi, I am undertaking an extension and will be looking to install a complete new CH and HW system. We only have access to oil, so I am looking for the most efficient system to fit with underfloor heating to approx 100m2 downstairs and 7 medium sized rads upstairs. Hot water will be average for...

Hi thanks for that. I'll set it 300mm below - that makes sense. I contacted my BCO and I explained I was going to dig 1m deep and he said it was unnecessary as the ground internally is not affected by outside climate so suggested 0.5m as he knows what my ground conditions are like. The pier...

Hi I'm undertaking an extension and am currently working on the internal foundations. I have a new pier to construct and have dug down about 500mm from finished floor level down to some really hard clay. this is about 200mm below the existing foundations. I will be replacing the floor in this...

Thanks guys, sounds like paste is the way to go. Is it worth using a bit of PTFE and then pastre as well? Or is that overkill and the paste alone would achieve same result.

Hi, I've just laid a new 25mm MDPE main to my outside tap. There is a stop tap below ground and then a 15mm pipe goes up to the outside tap. I have two leaks in the space of a metre!!! The first is where the MDPE pipe joins the stop tap. I have put the insert in the MDPE pipe, it has a copper...

Thats what I was hoping you'd say! Thanks

Hi Im undertaking an extension and will be laying the hardcore to the oversite soon. I will have an internal wall to the toilet that I want to build out of concrete block and not timber studwork. its only about about 2.5m in total length. It wont be load bearing. My question, what sort of...

I am looking to extend and retrofit UFH to my 1830s cottage. The two rooms which form part of the existing house are the hall and the dining room. The hall is within the original part of the house and the dining room was bolted on in the 90's. My concern is what construction to use in the hall...

Thanks, what I was quoted isn't to far out then. I'll get a few more quotes. One other thing, the company I am buying the tiles from are trying to sell me the stone sealant at £36 a litre and I'll need 9litres. This also seems steep. Can anyone recommend a quality sealant? Thanks again Ad