Does Fiber Cement Siding Need A Rainscreen

If i were the contractor on a project where the client was insisting on this look i d plug a serious disclaimer into my warranty document and recommend.

Does fiber cement siding need a rainscreen. Trust me you don t want damp osb. The simple answer is no. Back vent siding to prevent swelling reduce maintenance and extend its life. High performing fiber cement siding is water repellant when it s properly installed.

Today s building code requirements for long lasting weather protection and in wet climates like florida materials are tested for water penetration. Nichiha s fiber cement panels address home moisture protection in a couple of ways. James hardie exterior wall drainage requirements for multi family and commercial projects technical services 888 542 7343 table of contents 1 exterior wall drainage requirements. Fiber cement is a siding material that was introduced to the market in the 1980 s as a replacement for asbestos cement siding products.

A rainscreen will allow the siding to dry much faster. If you choose to install your fiber cement siding without a rainscreen it will probably last a long time. It has become common in some parts of the country offering design versatility and a solid feel. Rainscreen or no rainscreen looking back at the picture on the op those long horizontal flush joints look awfully vulnerable to me especially with a milled top edge to the siding material.

But the materials and the paint job will last even longer with a rainscreen. This will help the paint job last longer. Osb wall sheathing hardi or certainteed cement fiber board lap siding 40 60 inches of rain a year so i need some type of capillary action wrap between the sheathing and siding bob i veteran member. It will also keep the osb dryer.

Nichiha panels bring the look of wood stone brick metal more to your commercial or residential projects with high performance fiber cement. A predictable rainscreen air gap behind fiber cement sidings like hardie plank and hardie shingle adds durability to the exterior. Mti s corrugated lath strip creates a capillary break that prevents entrapped water and promotes airflow to dry out the siding and substrate.