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Just ordering the materials for this job - couple of questions please, gents. For a top coat 6:1:1 sand: cement: lime - should the lime be Hydrated lime, not hydraulic lime? Sand - supplier says 'sharp sand' for rendering - I thought there was a 'rendering' type of sand which is coarser...

Thanks Micilin, I appreciate the help (even if it was a little difficult to read... nothing wrong with yer speling tho m8... ;-) I take it the 3mm down sand you recommend is a bit coarser than the 'building' sand I've been using for brick/blocklaying? ( I still have about 1/2 ton left) I...

Hi I'm (self)-building a garage /workshop and living room extension, and the next stage is rendering the outside blockwork of the garage. It's built of dense 7N concrete blocks, 100mm, cavity wall. I'm fairly confident at internal plastering with gypsum plasters, but never rendered a big...

Could you send some of your mains pressure over to my house, it's hopeless here...

Thanks, Dave. On further checking, it appears the 4073 is opening and closing correctly, in response to CH and HW demands, but for some reason if demand ceases when it's in the CH position, it just stays there, even though in doing so it's using power and the motor is getting quite hot. If...

I hope it's OK to resurrect this thread. I have a similar problem with a Honeywell V4073. The valve opens correctly to HW, and to CH, when heat is called for. The problem is, it doesn't return on the spring when heat demand stops. It stays on the CH position. After a short while, the...