For new pitched roof buildings it is common to opt for the warm roof construction method and it is also suitable to install warm roof insulation when re roofing an existing detached building.
Retrofit installation pitched roof.
The use of metal retrofit roofs allows the flat roofed buildings to undergo a transformation into a sloped roof building.
This system would consist of a base clip variable height post and a purlin system that would create the required positive pitch for a new metal roof panel system says chuck howard pe president of metal roof consultants inc.
In essence a steel framework is erected over the existing roof.
The concept can be applied to almost any flat roof and low slope or high slope configurations are possible.
The existing roof s physical footprint framing system and other rooftop conditions will most likely control the new roof s geometry.
It is ready to accept metal panels.
The mbci nuroof retrofit roof system utilizes light gauge 16 ga.
Pitched roofs are a common sight in the uk owing to their versatility and typical low maintenance requirements when compared to other forms of roof construction.
When specifying the insulation for the pitched roof it is important that the thickness of insulation used achieves the required u value.
Install strips of orientated strand board or plywood as walking strips on the poly.
We have done several roofs this way 1.
Once these and other pre installation steps are successfully completed the low slope roof retrofit can begin.
There is a requirement when refurbishing a roof to have a minimum u value of 0 18 w m k in england and wales but for a complete re roof in wales the minimum u value required is 0 15 w m k.
Custom designed retrofit systems are available such as star buildings nu roof system.
Nfa pitched roof ventilation duration.
To 12 ga steel framing installed over the existing roof s framing members to create a sloped plane.
Another key advantage of specifying a pitched roof is the ability to provide a very high level of thermal performance in these roof types whether you re looking to insulate at joist.
Fill this space completely with.
Eliminailer t pitched metal roof retrofit installation metal era.
Cover the roof with 6mil poly sealed at the wall line to the vb in the wall.