Walls and Roofs
The easiest way to insulate walls from the exterior in older homes
Fitting extra insulation to an older home when renovating can be a great idea, but when insulating exterior walls from the outside take care to do it right. Ec…
See more
Being a timber frame home means you have a lot of options for insulating since the load is already being carried by the posts. So you can go with a number of wall assemblies, but if fire prevention is your concern, I would be looking at things like Metal or stone siding, anything non-combustible. As for insulation, I would suggest maybe Rockwool (mineral wool) insulation as it is spun from stone dust and is fire proof.
Here is our page on Choosing Insulation which will give you many options, and here you can check out Rockwool Insulation and this page here is about Choosing Exteior Siding and Cladding.