Retrofit Installation Pitched Roof

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.

Retrofit installation pitched roof.

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. The mbci nuroof retrofit roof system utilizes light gauge 16 ga. Nfa pitched roof ventilation duration. When specifying the insulation for the pitched roof it is important that the thickness of insulation used achieves the required u value.

The use of metal retrofit roofs allows the flat roofed buildings to undergo a transformation into a sloped roof building. Once these and other pre installation steps are successfully completed the low slope roof retrofit can begin. The concept can be applied to almost any flat roof and low slope or high slope configurations are possible. Custom designed retrofit systems are available such as star buildings nu roof system.

The existing roof s physical footprint framing system and other rooftop conditions will most likely control the new roof s geometry. In essence a steel framework is erected over the existing roof. When completing a retrofit project or converting a loft or attic space this may not be the most cost effective or appropriate method of installing or. Cover the roof with 6mil poly sealed at the wall line to the vb in the wall.

Install strips of orientated strand board or plywood as walking strips on the poly. Make a grid frame work of 2 dimensional to make space for the insulation. Fill this space completely with. It is ready to accept metal panels.

These new roofs can be either low sloped less than 2 12 functional roofs or high pitched greater than 2 12 architectural roofs depending on the expectations of the building owner. 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. We have done several roofs this way 1. To 12 ga steel framing installed over the existing roof s framing members to create a sloped plane.