Roof And Ceiling Mass

Ninth edition of the ma state building code 780 chapter 7.

Roof and ceiling mass.

As1170 1 2002 ta2 92kg m 2 per 100mm. Roofing material is estimated by the square which is equal to 100 square feet. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. 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.

Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. 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. Stratco ceiling battens at 450 centres 0 35 0 45 0 78. The average roof is 3 000 square feet or around 30 squares.

The massachusetts state building code 776 780 cmr seventh edition 12 28 07 1 1 08 ceiling roof area of the addition combined. Collar ties rafter ties tension beams structural ridge beams. Depends on roof and ceiling mass kg m2 below are only typical roof construction examples and may differ in your situation i didn t include tiled roofs which are higher numbers metal sheet tiles or medium gauge corrugated iron battens 12mm softwood ceiling lining sarking lightweight insulation 20kg m2. 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.

Weights of building materials in walls. Some of these can support the roof and prevent ridge sagging and wall spreading. 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. Miscellaneous components in addition to other roof components.

Roof ceiling construction amendments pdf 163 kb this is part of. Open pdf file 163 kb for 780 cmr ninth edition residential chapter 8. Some roof leaks are tough to locate. Sometimes the water shows up at a ceiling spot distant from the leak.

Weight kg m 2 code.