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My cedar for my fence is arriving on Friday. It going to be the horizontal slatted type of fence with slats of about 44mm x 19mm. Something like this: I want to treat it so that it doesn't silver. I've been told by Osmo tech support that it's the pigments in the woodstain that really block...

I'm going to be building a small shed/garden room with a 2.1m x 2.2m flat roof (i.e. 4.6 sq m). It'll be EPDM with a 1.44 degree slope and a single gutter along the back. It's in the South East. Would 76mm mini guttering be a good solution or do I need a 112mm half round?

Yep building the whole shed. Going to make the stud walls out of 3x2 treated timber with OSB as the skin on the inside. No skin on the outside of the stud walls. Instead, I'll wrap breather membrane around the outside of the stud walls. Then I'll use vertical battens (like you say) to create an...

I'm building a shed on a concrete base and am wondering whether to put some membrane beneath the floor. I suspect the landscaper didn't put a DPM below the concrete. My shed is actually going to sit on 40x40mm plastic battens. On the battens will go some tonge and groove P5 egger protect...

Wow thanks everyone. Really helpful responses. Now I've just got to navigate my way to quality steel. Got any recommendations for makes / suppliers.? I ll be buying a small quantity

Does the polytop do anything to protect the screw or prevent water ingress down the hole in the board? If not, it sounds like stainless screws might be sufficient for my purpose. Does it matter if it's A2 or A4 stainless?

Thanks @ETAF. It's not a salt water application. It'll be for a living wall (basically plants on a vertical wall)- so clean fresh water, albeit with some traces of fertilizer and soil. I had been looking at roofing applications but they tended to be nails. It did lead me to considering polytop...

Hi, Can you recommend some screws for an application where the top of the screw will constantly be in contact with moisture? It's to screw a 9mm thick plastic board to some battens. The battens will be on the dry side of the plastic board, but the other side of the board will be covered in a...

Thanks everyone. Inline crimp it is then. Thankfully only the one cable got knackered even though the screw went through 4 of them - must have pushed the twisted pairs out of the way as it went through.

And the winner is @sparkymarka :D:D I've gone and driven a screw through my main bundle of cat6 cables and have nicked 4 of them. Having tested with one of those cat cable testers, I know that I have severed one core in one of the cables (haven't tested the other three cables yet) Would these...

Hi, My cctv installer extended a cat5 cable using some connectors. Please can you help me identify them. He used on connector for each core. From memory, the connector is a disc approximately 5mm across. Its sort of milky white, but amber towards the middle. It appears to be a permanent...

Oh no. It gets even worse. I've just had a closer look at how the pipe emerges from the house. Our tiled kitchen floor and the patio are at the same height to make it look like the kitchen floor just carries on outside through the sliding doors. The builder seems to have routed a speedfit pipe...

In order to route a 15mm water pipe out into my garden, it needs to first go down and under an obstacle in an inaccessible space before coming up to the height of the patio which is the first accessible point. In this case then, there'll be a short section of pipe (300mm) below the drain cock...

We're going to put a tap at the back of my garden. I'm planning to route the pipe in a narrow gap between two fences. Can I use speedfit pipe? I'll paint it, it's in the shade of the fence anyway, and I'll put a bleed valve to drain it in the winter. Copper is feasible, but will require...

I just had a glance at the existing duct, and it emerges tight to the old exterior wall. So in order to stick my telescopic vent onto the existing duct means I'll have to remove blocks from the very far left of the new wall - ie the blocks that actually butt up against the old wall. I have been...

this is really helpful. Thanks @oldbutnotdead . When I put the blocks back in, should I get new whole blocks and lay them one on top of the other, or should I use the half blocks that I removed and try and recreate the bond? Never done anything with DPC before, so haven't got a clue about...

The inside of the wall was never finished. Still exposed blocks. Got an SDS drill. I have to move the air brick up quite high (maybe 600mm or so). Can I remove more than one block at a time or is that dangerous? Do I need to worry about avoiding wall ties? The existing duct is below finished...

Hmm removing a "load of bricks" sounds pretty horrible. I guess a less graceful alternative might be to have the telescope on the interior, snug to the blocks, and put a plasterboard wall up in front of that. Does that sound sensible?

Thanks @Lower. The problem with that is that the neighbour doesn't want anything on their side of the party line.

Hi all, My air brick 'vents' into the bottom of a flower bed :( I've had a typical rear extension on my victorian terrace so that my kitchen has been extended into what was the side return. The suspended timber floor used to have an air brick that vented into the side return. Now that the...