Understanding of Masonite Wood & How it is Made?

William Mason invented Masonite in 1924. According to Funding Universe, the finding was an accident caused by a leaking steam valve that exposed wood chip fibers to high-pressure steam. When Mason let go of the pressure, the fiber slurry transformed into masonite sheets, which were smooth and firm. Mason founded Masonite to manufacture the hardboard, and he named both the product and the company after himself.

Masonite siding is a type of siding consisting of wood chips and resins comparable to the fiberboard used in some kitchen cabinets. It was designed to look like real wood and can be painted any colour. It was originally advertised as a substitute for real wood siding.


Masonite sheets are made from wood chips that have been molded into a sheet held together by natural resins contained in the wood. They’re sturdy and versatile, and they’re employed in a wide range of applications.

The Production of Masonite

The earliest hardboard product was Masonite. Wood fibres are removed from wood chips and molded into a sheet, which is then held together by natural resins in the wood. Masonite is made in three different ways by manufacturers. First, the natural resins in wood are used in both the wet and wet-dry processes to bind the fibres together. Second, heat or a vacuum is used in the wet-dry process to eliminate water from the wood. The third approach, known as the dry process, uses no water to bind the fibres together.

Only wood and water were used to create the initial Masonite siding items. To generate a slurry of wood fibres, the wood fibres are removed from pulverized wood and suspended in water. After being pumped onto a screen that lets the water drain, the slurry is pressed into sheets. Much of the water is evaporated rather than drained before pressing in a similar manufacturing procedure. A third method does not require the use of water. It makes mats out of dry wood fibres and presses them into Masonite.

Another Step is required for Tempered Masonite

Tempered Masonite passes through an extra step in the manufacturing process. Natural oils are applied to the sheets before they are baked at 400 degrees Fahrenheit. As a result, Masonite siding sheets become stronger and less vulnerable to warping after being tempered. Before baking, the sheets were originally dipped in linseed oil tanks, leaving an oily film on the surface. Modern methods use a roller to apply a small amount of oil. During the baking step of tempering, the majority of the oil burns or evaporates.

Masonite-Marketed products

Masonite is mostly sold as sheet material, both untempered and tempered. Masonite is most commonly used on interior doors, which come in a variety of patterns from Masonite. For a range of decorative options, some come with centre glass designs or panel insets. They could also be bi-folds with a hollow centre. These doors should never be trimmed or cut in any manner, regardless of design, or the warranty will be void. Furthermore, homeowners must seal them on all six sides with some sealer, or the manufacturer’s warranty will be voided.

Masonite sheets with perforations are frequently used as pegboards for hanging tools and other items. Masonite sheets are also used as a flooring underlayment and as the completed surfaces outside doors.

Since the 1940s, Masonite sheets have been used to make everything from houses to baby cribs. It’s a versatile and environmentally friendly product made from scrap or recycled wood. Although the terms Masonite and hardboard are frequently used interchangeably, Masonite is a brand of hardboard.

Many homeowners still seek an alternative siding that is more attractive than vinyl and aluminum yet requires less maintenance than wood. The ideal material to replace your masonite siding with is fibre cement siding.

A mixture of cellulose fibre, Portland cement, sand, and silica is used to make fibre cement. It has a natural-looking grain and texture and is shaped to look like real wood. It is, nevertheless, non-porous and impervious to moisture and insect activity. In addition, you won’t have to worry about constant upkeep because the colour won’t blister, break, or peel.

If your house has Masonite siding, make sure to thoroughly inspect it at the end of each season. When not properly cared for, Masonite can delaminate, decay, and bring mould into your home. Therefore, inspections should be done regularly to prevent problems from arising.

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