Straw Bale Roof Construction

However these precautions sometimes fail.

Straw bale roof construction.

Additionally the cost savings over time due to a straw bale home s energy efficiency will make up for the extra cost. However it is possible to complete some or all of the work yourself making it cheaper. This construction method is commonly used in natural building or brown construction projects. 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.

In wet climates with blowing rain straw bale structures may become damp and may never dry out. One big advantage of straw bale over conventional wood frame construction is that a straw panel will be able to dry to either side compared to most homes that include an impermeable barrier of polyethylene that prevents drying to the interior during our hot humid summer months which can cause condensation and hence excessive vapor mold in the house walls. It is spreading fast like a wildfire to every corner of the earth. Straw bale construction can also reduce building costs.

It is a practical book reflecting the author s personal experience with tips and wisdom learned from his own pitfalls and. The earliest mobile homes had r 8 or less. 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.

Today insulated homes usually have r 20 in the walls and many old homes have r 14 for insulation or considerably less. Properly constructed straw bale homes include a high stem wall roof with large overhanging eaves and interior and exterior plaster coats to reduce moisture problems. Straw bale building has seen a renaissance in recent years. Building your straw bale home is a how to book for people interested in straw bale building.

A good straw bale home is significantly warmer than conventional building methods because a well packed bale is rated at r30 r35 minimum or considerably more. Straw bale home construction is about 15 more costly than traditional stick frame construction. About andrew morrison andrew has a passion for straw bale construction that is matched only by his desire to teach his knowledge to others. Straw bales have good insulation properties and keep the building warm in winter and cool in summer with r values between 40 and 60 when built correctly.

He has a wealth of experience in designing and building conventional tiny and straw bale homes.