Render Vs Dot and Dab

romeospadre

For a new extension which would you recommend and why?

Thanks

phill99

Dot and dab. Because a) it's quicker and hence more cost effective; b) the skim will ony take a few days to dry and can then be decorated (render will take a long time to dry fully) and c) in terms of screwing into the wall, simply use longer screws and push the plugs through the plasterboard into the substrata - so no weakening of fixing.

ewcs

i`d go for render, better wall fixings & wall sounds like a wall, not hollow, you render in the morning & plaster the same day.

romeospadre

I thought render needed a long while to dry and plastering to early on it cause issues by the trapped in moisture ....

lagi

You can use hardwall instead of render and that can be plastered onto quickly.

Dot & dab thermally more efficient.

I would go render route for the rigidity, solid feel walls.

victorias_dad

Last year i was asked to do some work in a new extension where building control had stipulated all exterior walls had to be rended, as in the event of a fire the cavity left by dot and dab provided a chimney for flames into the roof space

Hopeful_5

I believe I saw on a website (maybe the Handyman one?) that there should be a solid line of adhesive along the top of each plasterboard panel for fire control.

(Can't believe I'm actually posting something like this. I've come a long way in two months of reading this forum (thanks everyone! ). I'll have to have a lie down now though ......... ).

Hope

WhiteHorse

Plaster with Hardwall, then skim with Multifinish.