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I’m planning to increase the size of my radiators downstairs. They currently pump out about 3-4K btu in the dining/kitchen and living room but the online calculators seems to recommend about 7k. In the picture below you can see the 22mm flow and return pipes coming from the boiler, the first...

During the recent storm my neighbours fence collapsed pulling down this wall too. It's a single skin brick wall about 8ft high which holds back soil up to about the 7th/8th brick. I'm assuming that the foundations for the neighbours conservatory would be deeper than this meaning it's not...

I’m going to be tiling my cloakroom and just have a few questions that when searching I get conflicting information. I’ve bough Mapei Keraflex Max S1 adhesive and Mapei Primer G for the job. Please see the questions below: 1. Do I need to use the primer on bare plasterboard? A reply from Mapei...

I was planning to tile after the plasterer had plastered every wall but I’ve just realised my porcelain hexagon 10mm tiles weigh about 20/21kg a m2 taking it over the weight limit for a plastered wall. I’m planning to tile it to look similar to...

I'm just about to start on a DIY project to fit a new cloakroom and had a few plumbing questions if any of you could kindly help with: Is this pipe here likely to be solvent welded in place or will it just be a pushfit connection. My neighbour has a flexible connector here now so I imagine at...

I've always used Tredaire Dreamwalk throughout the house but heard that on the stairs it's better to go for something denser and thinner. Has anyone got any advice of what to go for? Would it also make sense to use something like Dreamwalk on the landing or just use the same as the stairs?

I’m just about to lay this and have realised part of the vapour barrier backing doesn’t cover all of the underlay. It can be pulled up a bit as per the pic but it doesn’t seem to cover it all. I’m somewhat confused how this is supposed to work. If anyone knows please enlighten me...

I'm going to be laying some engineered wood on to vinyl tiles which I imagine are likely to contain asbestos. The vast majority of them are in good condition however around the perimeter of the room (hallway) some of these tiles have cracked away leaving a maximum of a 7cm gap around the wall...

Hi, Just wondering if it is ok to use Mapei waterproof kit (http://www.screwfix.com/p/mapei-shower-waterproofing-kit-5kg/78484) with Bal one part flexible adhesive? If so should I also put a primer over the top of the Mapei waterproof kit before putting the adhesive on? I intend to use Bal...

I'm currently looking into retiling my bathroom but i've got an issue in that the current non-plastered paramount (egg-box) plasterboard wall has got two layers of tiles on it. Obviously if i damage the wall in the removal of the tiles it'll be a lot of work to fix. As such i was wondering...

I'm about to remove the floorboards in my bathroom and replace with 25mm plywood. Due to the size of the room i'm only going to need 2 pieces of plywood and as such the board will be following along the joists (and as such is never unsupported). The gap between the joists also seems to be...

I've got a radiator that has been removed from the central heating system for the last year that i'm planning to attach back to the system next weekend. I was just wondering if i should use some hammerite rust remover before doing this? It has been kept indoors during this period.

I've recently installed a Magnaclean professional to the return pipe on my combi boiler but it appears to be leaking. When i first installed it, it leaked out of the air vent pin and as such Magnaclean sent a new pro-fill air vent which i installed. It now no longer leaks when this pin is in...

Hi, I need to remove the a radiator tail piece from a radiator and after looking at the tool to do this i've seen that there appears to be two types available from Monument - Monument 2053U and Monument 2054X. How do i know which one i need? The radiators are about 6 year old.

I'm about to fit some TRV's and ideally on some of the radiators i need to fit them on the side the lockshield is rather than when the manual control valve (MCV) is. Can i just remove the plastic turn knob from the MCV and and then adjust this to be open by the same amount of turns as the...

I have a Glow Worm 24ci boiler with a vertical flue going through the loft and out the roof. As I'm having some condensation issues in my loft I'm looking at sealing all the gaps in the ceiling leading to the loft. My question is what can i use to seal around the boiler flue? Would ordinary...

During the summer months last year i had my loft insulation topped up from 30mm to 330mm. At the beginning of this month (when putting the Christmas tree back) I noticed condensation on the felt in the loft (which i haven't seen in the loft before) so I decided to purchase a dehumidifier to...

Hi, I need to cut a 22mm pipe that is about 1cm from the wall. I was going to buy a Monument automatic pipe cutter (http://www.screwfix.com/prods/12380/Kitchens/Kitchen-Tools/Kitchen-Fitter-s-Tools/Monument-Tools-Automatic-Pipe-Cutter-22mm#)to do this but looking at it now it'll probably be...

I've noticed that Honeywell TRV's mention that they have 6mm of play on the radiator tail piece. Do the Drayton TRV4's have this too? Thanks!

I'm looking into replacing my current radiator valves with some thermostatic ones. When it comes to the changing them over will i also need to replace the compression fitting on the copper pipe or is it ok to use the old one? Thanks Richard