Straw bale design and the roof.
Straw bale house roof insulation.
Straw bale houses are incredibly eco friendly.
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.
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.
You will definitely need to have an engineer design this frame.
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.
Plus they are one of the eco friendly options that are widely accessible.
They are not overly expensive to build and tend to be energy efficient.
Advantages of straw bale houses.
Straw bale houses do have some advantages.
Here is a closer look at the advantages of straw bale homes.
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.
Straw bale roof i simply must ask.
Some builders construct frames around the bales and use the bales for insulation while others eliminate the framing altogether.
If two string bales yield an r value of r 40 debated by the way across the 18 direction then one.
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.
Building a straw bale and plaster house is a low cost and environmentally friendly way to create a home.
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.
Research has shown that straw bale construction is a sustainable method for building from the standpoint of both materials and energy.
Strawbale insulation has been studied and tested in some of the coldest places in the world.
Why use bales as a roof insulation.
You can learn all about building a straw bale house in our comprehensive how to instruction video series.
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.
The amount of time effort cost and embodied energy in such a task seems to me to heavily outweigh the benefits.
The values fall between r 2 38 p in parallel with the straw and r 3 05 perpendicular to the straw.