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I think I will have the fall and do away with the saniflow. Is it possible to run the 4inch pipe from this small box room, along the floor in the other ensuite and connect a 4inch T to go out the wall and come up for another toilet.

As the title says, I have 3 questions. The first is to refresh my memory about the 90d bend for the toilet waste. For it coming up through the floor, isn't it 150mm of the wall to the center of the pipe. A sani flow toilet in other section of the house where I can't get a 4inch pipe. Is it 1...

Yes

Where I am the regs are different. Soldering is allowed under floors.

There's already one shower in the house fed of the hot water which is heated by oil or a multi fuel stove.

Probably a Mira tank fed shower 9kw. Yes, vented system oil system.

I am building a new extension for my parents to live with us to be close to us now that they are in there late 70s. The new extension will need a new hot and cold feed for a small kitchen that will have a sink and a washing machine and an ensuite thst will have a new toilet, basin and electric...

Was worried incase the plastic shims compressed under loading and went with slates in the end. Maybe a bit over thinking on my behalf about the plastic compressing but i always want to do things right first time around.

For my bottom deck I have 8x4 sheets of 18mm OSB for installing on my 150mm insulated warm roof onto 9x2 joists spaced 400mm apart. When installing my osb onto my firring strips, how many nails(with the nail gun) should i use for each board. The reason i ask this is when im screwing my 200mm...

For a flat warm roof on an extension with a parapet all around, my block later is out by 30mm on one corner of the building and 10mm on the other side. Not happy one bit but he's been paid and gone! 2 options I have now is to shutter this out and fill with either sand and cement or concrete...

What size and type nails for the timber to timber joist hangers. I picked up some strong hex screws in a hurry when purchasing the materials but they don't fit the hole size in the hangers. Going to get the correct nails. I've used twisted nails when using truss clips,would these be similar...

Want a stronger wall plus for sound traveling into the next room.

I do understand this however we will be using the thermal lite blocks which are very light. I wouldnt think they'd put much pressure on the raft.

just wondering if your still active on this email/account. question about the warm roof you did years ago

This might be a silly question when you first seen the title however ive asked this with other builder and have conflicting opinions. Some say its possible because of the weight of the blocks, others say, dont risk it. Im looking to split a room in two and put a kitchen on the new wall in the...

One question i have about cold bridging in a warm roof. If i was to build a similar roof with the timber bridging the cavity like in this picture(taken from the internet) would this be classed as a cold bridge. The insulation will be inbetweek th etwo blocks up to the underside of the OSB...

Would you say a 4x3 wallplate or a 9x2 same as a joist?

I would prefer the overhang, see above. I have one concern about the overhang with a warm roof detail i will post soon.

The cavity will be getting pumped with beads and the top of cavity closed with a cavity closer. I will have 150mm insulation mechanically fixed above the Alutrix vapor barrier and 25mm upstanding insulation all around the top of the insulation where it meets the blocks. I will have EPDM all over...