Lime developments

I have to admit now that I have been a bit nervous about our new chalk lime plaster since last August, though I haven’t confessed it so far to the blog: we used imported pigs hair for the plaster in 2013, and more than a year after it was done I was speaking to another lime specialist who gave a deep intake of breath, frowned, and asked: has it fallen off yet? He seemed to relish recounting the story of another Suffolk house where the pig hair had disintegrated and the plaster coat had failed in the first year, on his version of the story because it had a foreign bug that had eaten it.

I’m now much more confident that our pig hair plaster is OK. There are no signs of failure, and from time to time over the autumn I pulled out a bit of hair near the surface and checked it for strength. I tried again this morning and the hair was as strong as ever. Continue reading “Lime developments”

Back to tradition – lime plaster

We’re using lime plaster to finish the outside walls. Lime is a fairly recent revival as a building material, and people are re-learning the old trades as they go, so there are still a lot of disagreements about the best way to do things. It’s not yet Lime Wars, but there are regular skirmishes.

Lime plastering the outside
Lime plastering a gable

As we’ve noted before, the Essex way (as taught on a course we attended near Braintree) was to use lime and sand as a hard render on the outside of a wattle and daub house. We repaired a wall like that, only to be told off a year later by a local Suffolk expert: the true vernacular coating in Suffolk was a plaster made from chalk, hair and lime, which is tougher and more flexible. Continue reading “Back to tradition – lime plaster”