waterproof

Hi guys, I have 2 lengths of buried conduit containing swa and external waterproof data cable. There are no drain holes in the conduit so it's liable to fill up with water. This shouldn't affect the cable but won't look great. Is it ok to blob some sealant in the ends? Or does it have to be...

HI guys - recently installed a new shower with 2 tiled walls over tanked hardiebacker stud walls. Getting a bit of trouble with water egress to both corners, I've reapplied the sealant around the tray and fairly confident it's not that. I've noticed the grout lines between the tiles go very...

I'm currently building a house in Africa 2 storey with flat roof terrace the roof will be concrete steel reinforced no wood used and want to know what to use to keep in waterproof and keep it cool I was planning on using roof felt sealing that down and tilling over the top not sure if this is...

Hello lads. quick one on a flat metal roof. 100mm rise over 3m. 5m wide. Like the title says is it best with roofing underlay. Or will spare visqueen/DPM do the same trick. Ive 20sqm left over of DPM, not wanting to waste it I was wondering will it do the same job as roofing underlay. The...

Devon stone house, concrete rendered on outside . Plaster fell off inside of an external wall so I took the rest off. The last bit also came off back to the stone I think. However it is black (bitumen?). Can I vandex or other waterproof over the black stuff? Any advice gratefully received Nanny T

Devon stone house, concrete rendered on outside . Plaster fell off inside of an external wall so I took the rest off. The last bit also came off back to the stone I think. However it is black (bitumen?). Can I vandex or other waterproof over the black stuff? Any advice gratefully...

I want to time my bathroom floor currently its got vinyl and floor boards. Would i remove existing floorboards replace with 22mm ply and a 6mm aqua backer board waterproof ready for tiling? Is this the correct method? If so any advice on materials? Thank you Liam

Hi All, Just finishing my wet room. I have a linear drain in the end embedded and secured levelled into the concrete floor. I am now ready to do the wet room slope pan. I have placed two pieces of strip wood on each side and raised them accordingly to my slope measurements. I will use these...

Hi All, Hope you can help. I am just wondering whether I should backer-board the concrete block bench in my wet room, applying it with a tile adhesive. Or can I tile directly on top of the concrete block work? I worry about moisture or cracks within the concrete block/to tile directly on...

Paranoia warning ahead! I've taken up the decking in my back garden and there is a black fibrous membrane underneath. The decking was put down about 15 years ago (I believe - I've not been in the house that long) so I can't believe that there would be any asbestos in the membrane but thought...

Hey guys, going to be tanking the bathroom as we are installing a wet room. We are gonna put a stud wall similar to the previous stud wall (see pictures, but we’ve taken it down as redoing everything). question is more about how to tank the window. We got about 40mm from brick to the edge of...

Hi all I'm a so so DIYer and need help with where to go next with a job. We have ripped out an old showertray and old tiles and had a plumber fit a new tray. The old one was too big for the space so cut into the wall on all 3 sides. New one we bought was same size with view to put back in and...

I have just installed primed mdf cladding in the bathroom with grab adhesive. On the side there is a gap visible where the wall wasn’t entirely flat. How can I fill this gap. It needs to be waterproof as it’s close to the bath. Also which paint/type will give the best water resistant finish...

I have built a thick retaining wall to replace a thinner one. The ground level is about 1m, but I have built it taller to block my neighbour as well. Suddenly, after 40 years of no water coming through the THIN wall, a vast amount of water is coming through at just one point. It is about 2000...

Hi everyone, hope this is the right forum for this question; I am preparing to install PVC cladding boards onto 3 walls of a shower. They are lightweight hollow PVC boards, a material similar to Correx but with a decorative face. They are 250mm wide and join together with a tongue and groove...

Hi all. Thanks for looking at this. Right off the bat ... I'm not a sparky, but I'm hiring one! (That should stop the "you need a sparky, mate" comments). I'm installing outdoor LED lighting over my garden which is ~80m long. It will be a radial standalone circuit on an RCD. I've properly...

Hi all, I am looking at building a shed in the garden to be used as a small woodworking workshop and also to house a chest freezer and tumble dryer. The shed will be 2.4m Height (Apex), 2.4m Width and 2.4m Length and the frame constructed of 47mm x 75mm timber, pressure treated 47mm x 75mm...

Apologies if this topic has been covered already, but couldn't find anything on it. I'm tiling a bathroom and have a couple of recessed shelves on the wall next to the bath/shower, which will be tiled. I was planning to use metal tile edging on the edges of the shelves, as the porcelain tiles I...

Can anyone recommend a decent quality white sealant for the bathroom both waterproof and paintable? Thanks in advance

Hi everyone, I was wondering if anyone could give me some advice / point me towards a suitable product? The back wall of my shed (brick construction and some of the inside has a thin concrete covering) acts as a retaining wall to my garden. I get groundwater , approx. 1m below the garden...