Galvalume Roof House

Can a metal roof go over the 3 layers.

Galvalume roof house.

This make up is 55 percent aluminum and 43 5 percent zinc and 1 5 percent silicone. And is described in astm a 792. Galvalume metal roof and siding panels are coated with a mixture of zinc and aluminum and siliconized coating to help resist scuffs and fingerprints better than a bare metal product. Gibraltar s galvalume steel corrugated panels are trusted by professionals and homeowners for a variety of applications.

Welcome to galvalume biec international inc. Galvalume uses an alloy of 45 zinc 55 aluminum to create an extra durable panel is ideal for roofing and siding. The mixture of zinc and aluminum protects the galvalume metal against corrosion and rust helping galvalume typically last much longer than galvanized steel. Remember there are multiple styled homes in the u s from.

Contemporary colonial cape cod style ranch bungalow victorian etc. Galvalume was invented by bethlehem steel in 1972. Time to start shopping for a new roof. Aluminum zinc combine the chemical action of zinc and the barrier protection of aluminum galvalume was developed by the bethlehem steel corp.

The fine grained galvalume finish is more corrosion resistant than galvanized. It also takes longer and requires special training to be installed as it can easily dent. The main disadvantage of galvalume steel roofing material is the initial cost of the product which is double the cost of a shingled roof. My main goal is not having to shovel the roof in the winter.

Is the worldwide licensor of the technology and know how associated with 55 aluminum zinc alloy coated sheet steel better known as galvalume. A measure of the success of this program is the fact that virtually all of the major steel companies worldwide have become licensees of biec. Normally galvalume is offered in both bare and pre coated pre painted versions. Galvalume steel is best for use in prefabricated metal wall panels and standing seam metal roof applications with concealed fasteners.

In the photo above we are beginning to see the failure of the paint finish along the seam of the bent metal. We would not recommend using galvalume panels with exposed fastener steel roofing systems such as corrugated or ribbed steel roofs. We are in syracuse ny lots of snow in the winter 80 90 degree summers. The previous owner of our house put a 3rd layer of shingles on the roof.

It is common for many buildings to use galvalume roofing as an initial cost saving measure. Galvalume or zincalume roofing.