Straw Bale Insulation Roof

Make sure it s in good condition no rot termite damage cracked boards etc.

Straw bale insulation roof.

Google installation of sarking under metal roof. 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. Yes it s straw in bales. Without an exterior stud wall most straw bale walls have an r value of r 33 or less.

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. Its comfort due to its thermal insulation quality. A third generation straw bale technique combines a straw bale interior wall with an exterior stud wall insulated with cellulose. There should be sufficient insulation in the roof cavity to prevent too much condensation forming.

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. And its flexibility in the detail of how this method may be applied he said. An exterior stud wall provides room for more insulation. The typical straw bale is bound twice and is approximately 900mm long 350mm high and 450mm deep.

For straw bale this can pose a problem in keeping the walls free from direct moisture. First you need to check the strength of your roof system. On end or flat. The sarking is installed length wise from the ridge to the top plate.

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. You will definitely need to have an engineer design this frame. With straw bales it would extend over them so any moisture falls outside near the eaves.

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. 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 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.

To improve insulation because i love everything about straw bale houses i was wondering if we could retrofit straw bales by removing the weatherboards and the internal plasterboard leaving just the wooden frame and windows then put the straw bales in like you would if building a wood framed straw bale house from scratch. Are there any very long spans. The quality of insulation that a straw bale wall provides depends on a number of factors including the way the bales are stacked the way the bales mesh with the roof s insulation the type of post and beam structure or if loadbearing the type of top plate the type of plaster used the quality of the plaster work and the design of the house itself among many others. Its suitability for diy projects.

Strawbale insulation is tightly packed and 18 thick.