Roof And Ceiling Mass
Stratco ceiling battens at 450 centres 0 35 0 45 0 78.
Roof and ceiling mass. The average roof is 3 000 square feet or around 30 squares. If any individual fenestration component exceeds the maximum u factor listed in 780 cmr table 6101 3 then the area weighted average u factor for all fene str ation c omponents must be less than or equal to the listed value. Some of these can support the roof and prevent ridge sagging and wall spreading. Collar ties rafter ties tension beams structural ridge beams.
As1170 1 2002 ta2 92kg m 2 per 100mm. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Sometimes the water shows up at a ceiling spot distant from the leak. Roofing material is estimated by the square which is equal to 100 square feet.
If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures. Open pdf file 163 kb for 780 cmr ninth edition residential chapter 8. Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value. Roof ceilings shall be designed and constructed in accordance with the provisions of this chapter and figures r606 11 1 r606 11 2 and r606 11 3 or in accordance with awc nds.
Roof ceiling construction amendments pdf 163 kb this is part of. Weight kg m 2 code. Components of roof ceilings shall be fastened in accordance with table r602 3 1. Miscellaneous components in addition to other roof components.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive. Some roof leaks are tough to locate. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Ninth edition of the ma state building code 780 chapter 7.
The massachusetts state building code 776 780 cmr seventh edition 12 28 07 1 1 08 ceiling roof area of the addition combined.