Recent content by Plasteringrooky

Normal bricklaying mortar is usually gauged by shovel, coloured mortars gauged by buckets. The darker the colour the more critical the consistency becomes. Internally or Externally

Have you considered internal insulation? Something like an Actis multifoil inslation system?

Had the agent from Socli (Castle and Roundtower) round to specify internal and external renders. He advised to use the Natural hydraulic lime (3.5 or 5) / sand with a handful of cement as a base coat for both and then Monolys internally and Rencolor externally. Both systems can be manual or...

Does that help the problem or make it worse Brendan? i.e. is it like external bricks, absorbs moisture and then releases without adverse effects

From memory, wasn't there a time when chopping out the walls ties was all the rage to cure this problem. Must have looked like the backdrop to a 20mm firing squad.

It's the sealed windows and doors that cause the problem. It always makes me laugh when we buy weather sealed windows and doors and then fit background ventilation vents in the frames.

Heat and Ventilation.

Is that internal surface condensation or interstitial condensation?

Normal clay blocks are made from a log extrusion, cut and then fired. The cutting and firing distorts the block a little. Not normally a problem if laid with a normal 10mm mortar bed joint. These blocks are extruded in long lengths, the lengths are then fired and then the blocks are...

I'd be keen to keep customers happy if I were charging 4-500% the cost of the materials just for mixing and bagging.

The machined faces on the blocks I used where as flat as any machine bed I've ever seen, they were exact and the thin bed joint worked well.

I've found the trick with these blocks is to be very exact in the laying of the first course. It must be bag-on level and plumb as there is no room to alter later, with there being no bed joint. The rest ‘should’ have been pretty easy, however, the 50’s do not come with the accessory...

Meshing sounds complicated.

I think it goes like this. It's very much like electric room storage heaters. The fire bricks inside the heater, which are high mass, take-on-board heat from an electrical element and stocks it until needed. It then gives it back on demand. In the case of high mass insulation...

Here's a link to the actual blocks I've used, R50's which are 500mm deep...