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We just had our solar and battery install trip on the cu. It was a 32a breaker. Having looked at the manual for our inverter it actually states this should be 100a breakrr and the cabling should 13mm². I can't seem to find this size wire when I look on uk sites. Is it non standard in the UK...

I'm aware that a soil vent has to be at least 900mm above a window within 3m but is there a minimum the pipe has to be above the roof tiles? I'd like to cut one of ours lower so it doesn't shade solar panels so much.

We recently had a new warm flat roof constructed. 3 layer felt was laid on top of the insulation/vapor barrier/osb which gives a hard surface but I guess not as hard for taking loads as another layer of ply on top would do. Could this construction take the load of solar panel racking + ballast...

We have just had an aerial cable put in and you can see the guy's done a bit of damage to the brickwork and mortar and decided to fill with a bad matching brown filler/silicone. What would be best product to cover this brown gunk to improve aesthetics? thanks

Can anyone suggest how this corner should be finished to ensure water tightness? I know the 'new' white corner is cracked but even the bottom arrow exposes a weak point i think. I know the gap between bottom of fascia and brickwork needs sealing. There's a gap along whole wall. Maybe a pvc...

We currently have a grundfos 3 speed pump on our heating system. We have to set it to '2' as on its highest setting we get noise, higher pitched whinning, in the house, maybe from pipes. If newer boilers have modulating pumps are we likely to get intermittent noise as pump runs on its maximum...

Hi we're building a single storey extension. We ideally want to put a steel across 2 walls of different thickness. one is the old part of the house 25 cm thick, other is a new extension 30 cm thick. SE says this is tricky due to the different width of walls. I've sent him the idea in the...

Does anyone have an opinion as to how modern flush up Windows compared to lipped upvc casement windows when it comes to sound insulation and weatherproofing. I'm particularly interested in Eurocell's modus range because they appear to have optional extra gaskets. Thanks

We're proposing foundations for an extension about 2.5 meters from a mature Apple tree 4m high. I've been using the labc foundation depth calculator but realise this is designed mostly for cohesive soils i.e. Clay. Our soil is actually Sandy/gravel, quite good soil. so I was wondering what...