Knockdown - Popcorn

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About

TEXTURE - Rustic or smooth texture - its intended to disguise imperfections , suitable for internal and external surfaces of masonry, acrylic paste , plaster or cement .

Rustic Texture

It is contemporary and noble finish. It contains larger particles of special minerals for a scratched effect and also features a unique water-repellent component , preventing the penetration of water and protecting the surface where it was applied . It has excellent weather resistance.

SmoothTexture

It is a more classic finish with smooth effects. It contains fine particles of special minerals , appearing more delicate and also features a water-repellent, component, preventing the penetration of water and protecting the surface where it was applied . It has excellent weather resistance.

 

Popcorn Texture

Popcorn texture is one of the most common yet least liked drywall textures on the market. Also known as sprayed acoustic texture, popcorn textures have the appearance of popped corn, thus the nickname. Acoustic popcorn texture is found exclusively on the ceilings of rooms. Generally another type of texture is used on the walls. This texture is commonly found in hotel rooms built before 1990 and even some residential applications from the early 1980's and before.

Knockdown Texture

is a drywall finishing style. It is a mottled texture, more intense than a simple flat finish, but less intense than orange peel, or popcorn, texture.

Heavy knockdown applied with a spray hopper.

Knockdown texture is created by watering down joint compound to a soupy consistency. A trowel is then used to apply the joint compound. The joint compound will begin to form stalactites as it dries. The trowel is then run over the surface of the drywall, knocking off the stalactites and leaving the mottled finish.

A much more common, and faster technique is to apply the texture mud (which is slightly different from joint compound, in that it has less shrinkage upon drying) with a texture machine – a compressor which sprays mud instead of paint. This applies what is referred to as a splatter coat. The use of a compressor allows this to be applied to walls as well as ceilings. When knocking this down, the mud is allowed to dry for a short period, then skimmed with a knockdown knife – a large, usually plastic (to reduce noticeable edges) knife.

 

Knockdown texture reduces construction costs because it conceals imperfections in the drywall that normally require higher more expensive stages of sand and prime for drywall installers.

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