You will definitely need to have an engineer design this frame.
Straw bale house roof insulation.
In a straw bale house these bales form the walls insulation and framework all in one with some additional support from wooden beams wherever they re necessary.
They are not overly expensive to build and tend to be energy efficient.
You can learn all about building a straw bale house in our comprehensive how to instruction video series.
Straw bale design and the roof.
Straw bale houses do have some advantages.
Advantages of straw bale houses.
Straw bale construction is a green building method that uses whole or partial bales of straw as a major part of a home s walls.
Straw bale roof i simply must ask.
The r value of strawbale varies between studies but is mostly consistent.
In the world of designing a home especially for a straw bale house as you ll see the time comes when you have to choose an appropriate hat to place upon the house.
Why use bales as a roof insulation.
There are many options and combinations of options to choose from so for the sake of this being a simple primer we will go over some of the most.
Here is a closer look at the advantages of straw bale homes.
Plus they are one of the eco friendly options that are widely accessible.
The amount of time effort cost and embodied energy in such a task seems to me to heavily outweigh the benefits.
Building a straw bale and plaster house is a low cost and environmentally friendly way to create a home.
If two string bales yield an r value of r 40 debated by the way across the 18 direction then one.
Straw bale houses are incredibly eco friendly.
If you use sloppy building techniques air gaps in the walls and around doors and windows poor foundation insulation etc and fail to build a well insulated roof that is also free of air leaks the straw bale walls will be of little value as would any other insulating material.
The straw bales are normally then rendered with earth cement or a similar material to seal in the straw and protect it on all sides from moisture seepage and potential fire damage.
Once again i think you re better off sticking with conventional insulation materials in the roof especially if you plan a living roof as that is heavy enough on its own.
Straw bale construction is a building method that uses bales of straw commonly wheat rice rye and oats straw as structural elements building insulation or both this construction method is commonly used in natural building or brown construction projects.
Strawbale insulation has been studied and tested in some of the coldest places in the world.
Some builders construct frames around the bales and use the bales for insulation while others eliminate the framing altogether.