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Hello, I have a Karcher K7 pressure washer, 3000 watt. I need to buy a petrol electric generator to run the pressure washer. How many kVA should it be the generator? I have found one with 10.5 kVA rated up to 8400 watt and another one with 9 kVA rated up to 7200 watt. I wanted to be sure that...

I am looking for an alternative to between the joists insulation. I have found many websites recommending foil roll insulation. This is stapled under the wooden joists so it is much easier and faster to install in a tight crawling space. I have found several proposed solutions: The easiest and...

Hi, I am replacing two old surface-mounted sockets in the attic room where there is no earth cable. The sockets are a just above the skirting and bellow run two central heating steel pipes (hot and warm water) mounted with metal brackets on the wall. Can I connect an earth cable for each new...

I want to install insulation in the loft and then finish it with plasterboard. See pictures. I am planning to add A. either: 1. 44 x 69 mm battens and 70mm rockwool insulation. 2. 44 x 99 mm battens and 100mm rockwool insulation. B. Vapour barrier foil. C. 9.5mm plasterboard. It will be...

Is it correct to install rockwool under the roof tiles?

Hi, I am removing the plywood ceiling under a flat roof. I am going to replace with plasterboardoard. There is this old insulation behind the plywood. Can It be asbestos?

Hi, I need to open a ventilation hole in the wall of my bathroom to install a 4 inch ventilation fun. Structurally, since it is an external load bearing wall, what is the best place to make the opening? Shall I do it above the window or in the corner? I attach a picture with the two options...

Hi, my ground floor wooden floor is quite cold. Underneath there is vented crawling space and I have access from a small window. I am thinking to add rock wool insulation under the floor between the joists. How thick should be the insulation? Except from chicken wire, any other ways to support...

Hello, I want to hang a 15 pounds chandelier from my ceiling. I cannot hang it directly under the beam because it is not in the center of the room. It is a plaster and lath/straw ceiling and there are smaller joists under the beams 1 x 2.5 inces (see picture from above). Will the smaller joists...

Hi, I have renovated and re-installed some cast iron radiators after installing new flooring. Since the floor was raised by a quarter inch i have twisted upwards the old pipe joint by tightening it slightly (see photos). Now there is a very small leak, a drop every hour or so. I cannot remove...

I need to install a chandelier around 15-20 pounds heavy in my ceiling. Now there is a lightweight pedant light that is hanging from an attachment with two screws into the ceiling. For the chandelier I need to find the wooden joist to install a hook for hanging the heavy chandelier. How can i...

Hi I am renovating my basement window under my front entrance (see picture). Before there was a metal rack there but allowed a lot of dirt in, from the door mat and the dust form the wind. The opening is 60x18 inches. I am thinking to install a transparent lexan or plexiglass sheet. The sheet...

I am thinking to clean a heating system which has some 40 years old steel pipes, cast iron radiators and some newly installed steel pipes. I am thinking to use Sentinel X400 first to clean the system before using normal inhibitor. Is there any risk that by cleaning the system will create leaks...

I am having a new floor in my reception (see pictures). It looks nice but when I look in the edge of the floor, where it meets the old skirting board, it appears as having no gap in some places. At the moment I have removed the radiators and the temperature is between 10-13 celsius degrees...

Can I connect a stainless steel pipe to a lead pipe without corrosion problems? Will stainless steel react with the lead and create corrosion?

Hi I am installing a new floor on top of the original floorboards, I am going to glue the new flooring. The floorboards are painted in gloss paint, which is in very good condition. I need to roughen the surface before applying the glue for better results. I am planning to hire a floor sander...

Hi, I am creating a new bathroom with a toilet in the top floor of my house. There are two washbasins in the top floor rooms so I was planning to utilize the existing water waste pipes and install a Saniflo macerator toilet. Under the floorboards I found that both the water supply and the...

Hi, I am doing some work in an old house’s central heating and I have some odd steel pipe sizes. I can measure the bellow outer diameter of the pipes: 2.2 cm 2.7 cm 3.5 cm 4.2 cm 4.9 cm 6.3 cm 7.7 cm Any idea what sizes in inches are above? Many thanks

I need to connect a 2.5 inches steel pipe to an 1 inch pipe. It is in tight space and has a wooden floor underneath, see the pictures. I looked at electric pipe threader but they go up to 2 inches. Any ideas as how to connect a reducer to the 2.5 inches pipe? What options do I have? -Any...

I want to insulate under ground floor. It is a suspended floor with wooden beams. I have access form the crawling space so I wanted to use rockwool. The problem is the distance between the beams. It varies between 61-64 cm so the standard 60 cm rockwool boards are not wide enough for tight fit...