Hot Dipped Vs Electro Galvanized Roofing Nails

Difference between electro galvanized and hot dip galvanized 1.
Hot dipped vs electro galvanized roofing nails. The most durable versions are hot dipped labeled hd because they re coated with molten zinc. Often they have clumps of zinc on the shaft or the coating of zinc is somewhat uneven on some of the nails. Galvanization is a process of preventing metal surfaces from corrosion. For applications where lower quality galvanization is suitable electro galvanized nails are among the thinnest coating at 0 36 mils maximum.
Building the substructure of a porch is a typical job for galvanized nails. These nails are a little more expensive than standard electro galvanized nails because they are double hot dipped galvanized but have been and continue to be in compliance with tas 114 appendix e testing. The irregular ingots are solid zinc. Next to it is a new electro plated nail.
Thus with a hot dip galvanized surface coating there is approximately 30 percent extra zinc content in each unit compared to the electrogalvanized coating. The key difference between galvanized and hot dip galvanized is that most galvanized materials have a smooth and sharp finishing whereas hot sip galvanized structures have a rough finishing. Hot dipped galvanized by russell bowen galvanization locks out the effects of rust and corrosion. Visage stockbyte getty images when metal goes unprotected the effects can be disastrous.
Ideal for indoor applications the eg coating has an average lifespan of 5 10 years depending on the environment. Galvanized nails all the nails have been galvanized. Entire structures like buildings and bridges can collapse without warning. Hot dipped galvanized nails not used in a nail gun are usually distinctive.
The thickness of hot dip galvanized zinc layer can achieved more than 50 microns the maximum can reach 100 microns. The one being held was electro plated and it s rusting after just 12 years. For hdg nails ensure the nail meets astm a153 specifications for hot dipped galvanizing. The zinc layer electro galvanized zinc layer generally in the 3 to 5 microns special requirements can also reach 7 to 8 microns.
The four gray ones are hot dipped nails some have a distinctive irregular coating of pure zinc. Use short stubby galvanized nails about 2 65 per box for 8d x 1 to anchor your joist hangers.