What is the difference between Galvanised and Galvalume?

What is the difference between Galvanised and Galvalume?

Galvanized steel is made completely of zinc, while galvalume includes aluminum, zinc, and a small amount of silicon. This provides superior durability and resistance to corrosion in comparison to galvanized coating.

What is the difference between Galvalume and Galvalume Plus?

Galvalume has a cousin, Galvalume Plus. The only difference is Plus has a thin, clear acrylic coating. Because Galvalume Plus can be roll-formed dry without vanishing oil, it is very easy to form and install safely.

What is bare Galvalume sheet?

Galvalume sheet is a zinc aluminum alloy coated steel improvements over galvanized. Bare Galvalume alloy has the corrosion protection of aluminum & sacrificial property of zinc giving advantages of both the metals. Paint coating on top of bare Galvalume gives longer life and is called colour coated Galvalume.

What is Galvalume paint?

Galvalume is a type of sheet steel used in a variety of applications, including roofing, siding, furniture, gutters and pipe. Treat the sheet steel with an etching primer, or flaking will result. Once the Galvalume is properly prepared, you may apply a painted finish.

How long will Galvalume last?

Research conducted by the Metal Construction Association (MCA) indicates that Galvalume roofing could last as long as 50 to 60+ years without any extreme signs of corrosion.

Can Galvalume be painted?

If color is desired for decorative or aesthetic purposes, GALVALUME® steel sheet can be readily painted either before prepainted steel sheet or after fabrication. For prepainted product, the optimum types of paint line pretreatments and primers may be different than those developed for galvanized product.

Should you paint Galvalume?

Galvalume sheet has a bright, distinctive spangled appearance which is pleasing in its own right and has very good protective properties in the atmosphere. To paint Galvalume good coating practice should be observed as with painting any surface.

Can I paint Galvalume?

Who makes galvalume?

BIEC International Inc.
BIEC International Inc. is the worldwide licensor of the technology and know-how associated with 55% Aluminum-Zinc alloy coated sheet steel (better known as GALVALUME).

Can I paint galvalume?

What is the best paint for a metal roof?

Acrylic latex paint
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint. Oil-based alkyd paint may also be used with an appropriate galvanized metal primer. A topcoat doesn’t eliminate the need for a good primer – the topcoat seals your paint, but the primer makes the paint adhere properly.