Retrofit Installation Pitched Roof

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.

Retrofit installation pitched roof. The mbci nuroof retrofit roof system utilizes light gauge 16 ga. To 12 ga steel framing installed over the existing roof s framing members to create a sloped plane. Nfa pitched roof ventilation duration. 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.

The use of metal retrofit roofs allows the flat roofed buildings to undergo a transformation into a sloped roof building. 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. 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. 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. In essence a steel framework is erected over the existing roof. 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.

We have done several roofs this way 1. It is ready to accept metal panels. Install strips of orientated strand board or plywood as walking strips on the poly. 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.

Once these and other pre installation steps are successfully completed the low slope roof retrofit can begin. When specifying the insulation for the pitched roof it is important that the thickness of insulation used achieves the required u value. Make a grid frame work of 2 dimensional to make space for the insulation. Fill this space completely with.