Is Masonite Siding Fire Resistant

Rollex navigator steel siding for example has a class a fire rating.

Is masonite siding fire resistant. The highest rating possible for fire resistance. For comparison purposes the following board is the back of louisiana pacific siding. Masonite boards are synthetically constructed from a mixture of wood fibers wax and other resins. The difference though is how the product holds up to heat.

I ve found one that i particularly like but it has masonite siding. Brick as a matter of fact is considered non combustible. Many homeowners looking for a fire resistant house siding may consider products such as vinyl which are technically non flammable as well. However i ve read lots of horror stories online about masonite siding and i was curious as to what the bogleheads think about it.

A class a rating means it is going to offer the maximum protection possible. Brick and stone exteriors masonry exteriors such as brick and stone also typically do well in fire resistance tests. It helps in protecting a structure from damage caused by weather and other external factors. Although metal siding is not generally as inexpensive as vinyl boards it is still one of the more budget friendly options on the market.

The strands of wood are about 1 4 inch wide and there are at least two slightly embossed raised rows running the length of the siding. Most metal siding is rated as noncombustible which means that in fire safety testing it was shown not to ignite and spread fires. The photo below is the back side of the above omniwood board. Another piece of masonite omniwood lap siding.

However if not properly maintained it will deteriorate. Fiber cement siding won t ignite burn or melt when exposed to either heat or flames. Fiber cement siding is vulnerable to moisture invasion particularly if. The house was built in 1986 the masonite has been well maintained and a few parts of its exterior have been replaced with hardy plank siding.

If your wood siding is swelling cracking or constantly needs repainting then you may want to look into masonite siding. You can add an interior wallboard that resists burning for one hour if you want to take extra precautionary measures. Not only do these tough exteriors stand up well to wind rain hail and sleet they re also very fire resistant. Masonite siding is extensively used in constructions.

As they are manufactured these elements are bound together through a process of heat and pressure fusing these components into. Here s a look at some of the common problems arising in masonite sidings and the ways to fix them.