The density of the straw how long the straw itself is as well as the moisture content how well the gaps are filled between bales and other things like how it s stacked.
Straw bale house roof insulation.
Without proper maintenance plaster can quickly degrade.
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.
2016 architect board building physician building physics carpenter car tyre foundations clay clay building consultant for straw bale building craftsman demonstration building drywall constructor earth plasterer esba esbg 2017 european straw bale.
Straw bale houses are usually covered in plaster once the structure is constructed.
The easiest way to do this is with expanded metal lath at each course.
An exterior stud wall provides room for more insulation.
Without an exterior stud wall most straw bale walls have an r value of r 33 or less.
A third generation straw bale technique combines a straw bale interior wall with an exterior stud wall insulated with cellulose.
Its comfort due to its thermal insulation quality.
The typical straw bale is bound twice and is approximately 900mm long 350mm high and 450mm deep.
Roof insulation made of straw bales.
An exterior stud wall provides room for more insulation.
If you re wondering what the r value of strawbale construction is then it depends on a few things.
And its flexibility in the detail of how this method may be applied he said.
The benefits for using straw bales for wall building include its environmental friendliness straw is largely a waste product.
Its appearance somewhat rustic and perhaps mediterranean appearance.
Standard for straw bale construction 9 28 2012 page 1 of 6 approved standard for straw bale construction note that the straw bale construction standard in appendix s of the 2015 international residential code is a recognized alternative approved standard.
Its suitability for diy projects.
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.
When attaching a straw bale addition to an existing house the biggest concern is to make sure that the two structures are tied together well.
A good time to use this roof is obviously when the budget is tight or if you want a larger exposed side of the structure as in a greenhouse or in cooler climates.
For straw bale this can pose a problem in keeping the walls free from direct moisture.
You can learn all about building a straw bale house in our comprehensive how to instruction video series.
It contains over 10 5 hours of top notch professional quality instruction on everything from foundations to framing to baling post and beam and load.
Strawbale insulation is tightly packed and 18 thick.
While it may seem obvious from the name straw bales are made of straw which has been compacted cut and bound in a baling machine.
On end or flat.
