I came across an old posting of yours in which you were giving advice to a homeowner like me who had a metal roof and problems with cascading snow ripping the gutter off.
Metal roof gutters and snow.
Ideally snow and ice should melt and run through a guttering system but constant subfreezing temperatures tend to hinder that process.
A nice homeowner named lisa emailed me the following about her recent issues with the gutters on her home being torn off by sliding snow.
Every year the snow and ice slipping down from one of our viewers roofs does great damage to their rain gutters.
Snow guards are a critical element in protecting gutters from damage especially when a commercial building or home has a glossy coated metal or slate roof.
A client has a steep metal roof with gutters that got ripped out last year after a heavy snow fall.
The key factors are usually snow loading requirements adequate slope and the use of snow guards when needed.
All of this cold snow and ice can wreak havoc on gutters.
Some older contractors in the area are telling me not to install gutters on a metal roof others say to try installing rails to hold the snow back on the roof.
How to stop it.
I just had the identical problem.
Metal roofing systems have a good track record of performance in harsh winter environments as long as they are properly designed.
If a metal roof is fitted with a gutter improperly the gutters themselves can be ripped off as a result of harsh weather heavy snowfall or excessive ice naturally forming on your roof.
The swiss are accustomed to snow.
And to those who believe the guards are only for northern climates mcmullen says his company has sold its products in every state except hawaii.
If a gutter system is left uncleaned then water can build up and damage your building in all of the ways the gutter system is meant to prevent.
You will have to adjust all of this according to how regular.
As a result ice and snowpack can build up inside the gutters which produce additional weight on the gutter sections and the fasteners that hold them.
A method of retaining snow and ice on a metal roof so it will melt in place rather than shooting off the roof in a dangerous avalanche.
Go to switzerland look at a chalet and you ll see the roof is designed with an eye toward where the snow will slide off notes curtis middleton owner of rms solutions inc a metal roofing and gutter contractor in arvada colo.