Can blue board be used externally?

Blue Boards Should Only Be Used Indoors While you can put another layer over the blue boards to protect them, regular drywall won’t be enough if used outside of a structure. You would be better off using blue boards inside and putting an additional layer of regular drywall to paint or provide that seamless look.

Is Blue Board discontinued?

Discontinued from 2 August 2021 in favour of a more contemporary product.

Can Blueboard be painted?

Painting the blueboard will not cover up all your joins. Also, due to the dryness of the blueboard you would need a number of coats as the first couple tend to suck into the blueboard, this can also lead to colour variation and brush marks.

What’s the difference between blue board and green board?

While standard drywall is the gray hue you are probably familiar with, some specialty drywall is known by its color, much like blue board. Green board is a term used for mold-resistant drywall that is common in bathrooms and other moisture prone places.

Can Blueboard be rendered?

Can you render blueboard? Yes, you can render blueboard – but you need to use a specific product designed to adhere to a blueboard surface.

Do you have to plaster over Blueboard?

When finishing blue board drywall, instead of applying several coats of joint compound to the seams between boards, a quick tape-and-plaster treatment to the joints is applied, and then the entire wall surface is covered with one or two thin (1/8 inch thick) coats of plaster.

Is Blueboard mold resistant?

Blue board drywall is also known as plaster baseboard. Blue board is used for veneer plastering, and the surface paper has special absorption qualities. It has a high water and mold resistance and there are fewer steps involved in veneer plastering. Blue board drywall is not made for mud, tape, or paint.

How do I render on Blueboard?

How to render blueboard

  1. Start at the bottom of the surface to be rendered and apply the render with a steel trowel in an upward pushing motion from left to right keeping an even flat finish.
  2. Use the float in a circular motion to get a smooth finish.

Can you use joint compound on blue board?

Yes you can, but it is meant as a backer for plaster veneer. As a little added info. Green board is used mostly in bathrooms, not blue board. In all of the bathrooms I have seen in homes I worked on, none has ever had anything other than regular mud over the joints.