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Hi all, Does anyone have any knowledge on the fundamental differences between ‘silicone enhanced’ and ‘full silicone’ renders? Renderer recommended Johnstones, who do both silicone enhanced and full silicone. I thought I’d been clear with the builder that we were expecting full silicone, but...

I’m preparing to install wet UFH throughout the ground floor using an overlay panel system (xps400). The manufacturer has advised (as they all seem to) that engineered wood can be laid directly onto the panels (with a few mm of underlay), but that we should lay the planks at 90 degrees to the...

Hi, I’ve spent hours trawling through previous posts, here and elsewhere, about taping and tanking backer boards and I’m left feeling a bit bamboozled. Different products, different combinations of products, different contexts, different opinions… Builders have done the shower room in a new...

I’ve got builders about to commence with removing the ground floor chimney breast from our 1890 semi-detached house. It’s on an external wall rather than party wall. We are retaining the chimney breast in first floor and above (though it won’t be used). The steel and associated structural work...

I’ve currently got all the floorboards up in our Victorian semi and I’m attending to a few things while I’ve got the chance. I’ve posted a few times about related queries and here is the next one… The hallway currently has no direct ventilation. I’ve knocked out a couple of bricks below joist...

I’ve got all the floorboards up throughout my Victorian semi, and have discovered that although the bearer walls are honeycombed, the main supporting walls that divide the rooms on the ground floor are completely solid with no airflow from one space to another. This means that the two rooms...

Before I can instal my overlay UFH, I either need to lay 6mm ply on top of my Victorian floorboards, or replace the floorboards with plywood (or chipboard, but I’m reluctant to do that!) I think I’m leaning towards going with 18mm structural ply throughout - it frees up the planks to go...

After hours of trawling posts here and elsewhere, I’ve decided to insulate the suspended timber floors of my Victorian semi by slinging breathable membrane between joists and laying 120mm of rockwool batts in between. I understand the various pros and cons of this compared to using PIR - I’m...

Hi, I have a Potterton Suprima boiler and a Center CH/HW programmer. I previously had a wired thermostat. This was replaced a few months ago (not by me) with a salus rt500rf. This has now failed (when the thermostat unit calls for heat, the receiver green light flashes on and then off...

Does anyone know if the CM range can be used as part of a good old fashioned system based around a boiler and a central heating/hot water programming unit? I think the answer can be worked out using the honeywell manuals, but I don't understand them! Thanks, Matt

Hi, I've just installed a new shower tray and power shower (I'm a DIYer rather than professional!). I've not touched any of the existing pipework under the floorboards. When the shower is working at it's maximum flow rate, the tray fills with water and takes a while to clear - essentially...