Straw Bale House Roof Insulation

An exterior stud wall provides room for more insulation.

Straw bale house roof insulation.

Roof insulation made of straw bales. Its suitability for diy projects. 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.

On end or flat. Its comfort due to its thermal insulation quality. This may allow water to penetrate the bales or to enter the house increasing the odds of water damage and mold or mildew. Its appearance somewhat rustic and perhaps mediterranean appearance.

Yes it s straw in bales. 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. Straw bale houses are usually covered in plaster once the structure is constructed. 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.

If you re wondering what the r value of strawbale construction is then it depends on a few things. 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. The typical straw bale is bound twice and is approximately 900mm long 350mm high and 450mm deep.

You can learn all about building a straw bale house in our comprehensive how to instruction video series. 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. An exterior stud wall provides room for more insulation. For straw bale this can pose a problem in keeping the walls free from direct moisture.

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. 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. 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.

A third generation straw bale technique combines a straw bale interior wall with an exterior stud wall insulated with cellulose. 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. Without an exterior stud wall most straw bale walls have an r value of r 33 or less.